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Malhotra M, Kaur B, Soni V, Patial S, Sharma K, Kumar R, Singh P, Thakur S, Pham PV, Ahamad T, Le QV, Nguyen VH, Raizada P. Fe-based MOFs as promising adsorbents and photocatalysts for re-use water contained arsenic: Strategies and challenges. Chemosphere 2024; 357:141786. [PMID: 38537716 DOI: 10.1016/j.chemosphere.2024.141786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/03/2024] [Accepted: 03/22/2024] [Indexed: 04/29/2024]
Abstract
Arsenic (As) contaminated water, especially groundwater reservoirs, is a major issue worldwide owing to its hazardous consequences on human health and the global environment issues. Also, irrigating agricultural fields with As-contaminated water not only produces an accumulation of As in the soil but also compromises food safety due to As entering into agricultural products. Hence, there is an urgent need to develop an efficient method for As removal in water. Fe-based MOFs have attained special attention due to their low toxicity, high water stability, better physical and chemical properties, and high abundance of iron. The arsenic species removal by Fe-MOF follows the adsorption and oxidation mechanism where As (III) converts into As (V). Moreover, the adsorption mechanism is facilitated by electrostatic interactions, H-bonding, acid-base interaction, hydrophobic interactions, van der Waals forces, π-π stacking interactions, and coordinative bindings responsible for Fe-O-As bond generation. This review thoroughly recapitulates and analyses recent advancements in the facile synthesis and potential application of Fe-based MOF adsorbents for the elimination of As ions. The most commonly employed hydro/solvothermal, ultrasonic, microwave-assisted, mechanochemical, and electrochemical synthesis for Fe-MOF has been discussed along with their adsorptive and oxidative mechanisms involved in arsenic removal. The effects of factors like pH and coexisting ions have also been discussed. Lastly, the article also proposed the prospects for developing the application of Fe-based MOF in treating As-contaminated water.
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Affiliation(s)
- Monika Malhotra
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India
| | - Balvinder Kaur
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India
| | - Vatika Soni
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India
| | - Shilpa Patial
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India
| | - Kusum Sharma
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India
| | - Rohit Kumar
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Phuong V Pham
- Department of Physics, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Van-Huy Nguyen
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam-603103, Tamil Nadu, India.
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India.
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Zhang X, Kazemi SA, Xu X, Hill JP, Wang J, Li H, Alshehri SM, Ahamad T, Bando Y, Yamauchi Y, Wang Y, Pan L. 14-Electron Redox Chemistry Enabled by Salen-Based π-Conjugated Framework Polymer Boosting High-Performance Lithium-Ion Storage. Small 2024:e2309321. [PMID: 38528424 DOI: 10.1002/smll.202309321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 01/12/2024] [Indexed: 03/27/2024]
Abstract
A paucity of redox centers, poor charge transport properties, and low structural stability of organic materials obstruct their use in practical applications. Herein, these issues have been addressed through the use of a redox-active salen-based framework polymer (RSFP) containing multiple redox-active centers in π-conjugated configuration for applications in lithium-ion batteries (LIBs). Based on its unique architecture, RSFP exhibits a superior reversible capacity of 671.8 mAh g-1 at 0.05 A g-1 after 168 charge-discharge cycles. Importantly, the lithiation/de-lithiation performance is enhanced during operation, leading to an unprecedented reversible capacity of 946.2 mAh g-1 after 3500 cycles at 2 A g-1. The structural evolution of RSFP is studied ex situ using X-ray photoelectron spectroscopy, revealing multiple active C═N, C─O, and C═O sites and aromatic sites such as benzene rings. Remarkably, the emergence of C═O originated from C─O is triggered by an electrochemical process, which is beneficial for improving reversible lithiation/delithiation behavior. Furthermore, the respective strong and weak binding interactions between redox centers and lithium ions, corresponding to theoretical capacities of 670.1 and 938.2 mAh g-1, have been identified by density functional theory calculations manifesting 14-electron redox reactions. This work sheds new light on routes for the development of redox-active organic materials for energy storage applications.
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Affiliation(s)
- Xinlu Zhang
- Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
| | - Seyedeh Alieh Kazemi
- Centre for Catalysis and Clean Energy, School of Environment and Science, Gold Coast Campus, Griffith University, Southport, 4222, Australia
| | - Xingtao Xu
- Marine Science and Technology Collage, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Jonathan P Hill
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Jiachen Wang
- Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
| | - Haibo Li
- Ningxia Key Laboratory of Photovoltaic Materials, Ningxia University, Yinchuan, Ningxia, 750021, China
| | - Saad M Alshehri
- Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Tansir Ahamad
- Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Yoshio Bando
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
- Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Yusuke Yamauchi
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya University, Nagoya, 464-8601, Japan
- Australian Institute for Bioengineering and Nanotechnology (AIBN), School of Chemical Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Yun Wang
- Centre for Catalysis and Clean Energy, School of Environment and Science, Gold Coast Campus, Griffith University, Southport, 4222, Australia
| | - Likun Pan
- Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
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Poonia K, Singh P, Ahamad T, Le QV, Phan Quang HH, Thakur S, Mishra AK, Selvasembian R, Hussain CM, Nguyen VH, Raizada P. Sustainability, performance, and production perspectives of waste-derived functional carbon nanomaterials towards a sustainable environment: A review. Chemosphere 2024; 352:141419. [PMID: 38360410 DOI: 10.1016/j.chemosphere.2024.141419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 12/21/2023] [Accepted: 02/07/2024] [Indexed: 02/17/2024]
Abstract
The survival of humanity is severely threatened by the massive accumulation of waste in the ecosystem. One plausible solution for the management and upcycling of waste is conversing waste at the molecular level and deriving carbon-based nanomaterial. The field of carbon nanomaterials with distinctive properties, such as exceptionally large surface areas, good thermal and chemical stability, and improved propagation of charge carriers, remains a significant area of research. The study demonstrates recent developments in high-value carbon-based photocatalysts synthesis from various waste precursors, including zoonotic, phytogenic, polyolefinic, electronic, and biomedical, highlighting the progression as photocatalysts and adsorbents for wastewater treatment and water splitting applications. This review highpoints the benefits of using waste as a precursor to support sustainability and circular economy and the risks associated with their use. Finally, we support that a sustainable society will eventually be realized by exploring present obstacles and potential steps for creating superior carbon-based nanomaterials in the future.
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Affiliation(s)
- Komal Poonia
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh- 8, 173229, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh- 8, 173229, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Huy Hoang Phan Quang
- Faculty of Biology and Environment, Ho Chi Minh City University of Industry and Trade (HUIT), 140 Le Trong Tan Street, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City, Viet Nam
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland
| | - Ajay Kumar Mishra
- Department of Chemistry, Durban University of Technology, Steve Biko Road, Durban, 4001, South Africa
| | - Rangabhashiyam Selvasembian
- Department of Environmental Science and Engineering, School of Engineering and Sciences, SRM University-AP, Amaravati, Andhra Pradesh 522240, India
| | - Chaudhery Mustansar Hussain
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ, 07102, USA
| | - Van-Huy Nguyen
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India.
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh- 8, 173229, India.
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Kumar A, Singh P, Nguyen VH, Le QV, Ahamad T, Thakur S, Matsagar BM, Kaya S, Maslov MM, Wu KCW, Nguyen LH, Raizada P. DFT and experimental studies of the facet-dependent oxygen vacancies modulated WS 2/BiOCl-OV S-scheme structure for enhanced photocatalytic removal of ciprofloxacin from wastewater. Environ Res 2024; 250:118519. [PMID: 38382660 DOI: 10.1016/j.envres.2024.118519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/09/2024] [Accepted: 02/17/2024] [Indexed: 02/23/2024]
Abstract
The present study explores visible light-assisted photodegradation of ciprofloxacin hydrochloride (CIP) antibiotic as a promising solution to water pollution. The focus is on transforming the optical and electronic properties of BiOCl through the generation of oxygen vacancies (OVs) and the exposure of (110) facets, forming a robust S-scheme heterojunction with WS2. The resultant OVs mediated composite with an optimal ratio of WS2 and BiOCl-OV (4-WS2/BiOCl-OV) demonstrated remarkable efficiency (94.3%) in the visible light-assisted photodegradation of CIP antibiotic within 1.5 h. The CIP degradation using 4-WS2/BiOCl-OV followed pseudo-first-order kinetics with the rate constant of 0.023 min-1, outperforming bare WS2, BiOCl, and BiOCl-OV by 8, 6, and 4 times, respectively. Density functional theory (DFT) analysis aligned well with experimental results, providing insights into the structural arrangement and bandgap analysis of the photocatalysts. Liquid chromatography-mass spectrometry (LC-MS) analysis utilized for identifying potentially degraded products while scavenging experiments and electron paramagnetic resonance (EPR) spin trapping analysis elucidated the S-scheme charge transfer mechanism. This research contributes to advancing the design of oxygen vacancy-mediated S-scheme systems in the realm of photocatalysis, with potential implications for addressing water pollution concerns.
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Affiliation(s)
- Abhinandan Kumar
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Van-Huy Nguyen
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India.
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anamro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Babasaheb M Matsagar
- Department of Chemical Engineering, National Taiwan University (NTU), No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Savas Kaya
- Department of Chemistry, Faculty of Science, Sivas Cumhuriyet University, 58140, Sivas, Turkey
| | - Mikhail M Maslov
- Nanoengineering in Electronics, Spintronics and Photonics Institute, National Research Nuclear University "MEPhI", Kashirskoe Shosse 31, Moscow, 115409, Russia
| | - Kevin C-W Wu
- Department of Chemical Engineering, National Taiwan University (NTU), No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Lan Huong Nguyen
- Faculty of Biology and Environment, Ho Chi Minh City University of Industry and Trade (HUIT), 140 Le Trong Tan Street, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City, Viet Nam
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
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Alowasheeir A, Torad NL, Asahi T, Alshehri SM, Ahamad T, Bando Y, Eguchi M, Yamauchi Y, Terasawa Y, Han M. Synthesis of millimeter-scale ZIF-8 single crystals and their reversible crystal structure changes. Sci Technol Adv Mater 2024; 25:2292485. [PMID: 38259326 PMCID: PMC10802801 DOI: 10.1080/14686996.2023.2292485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 11/24/2023] [Indexed: 01/24/2024]
Abstract
Among various metal-organic frameworks (MOFs), the zeolitic imidazole framework (ZIF), constructed by the regular arrangement of 2-methylimidazole and metal ions, has garnered significant attention due to its distinctive crystals and pore structures. Variations in the sizes and shapes of ZIF crystals have been reported by changing the synthesis parameters, such as the molar ratios of organic ligands to metal ions, choice of solvents, and temperatures. Nonetheless, the giant ZIF-8 single crystals beyond the typical range have rarely been reported. Herein, we present the synthesis of millimeter-scale single crystal ZIF-8 using the solvothermal method in N,N-diethylformamide. The resulting 1-mm single crystal is carefully characterized through N2 adsorption-desorption isotherms, scanning electron microscopy, and other analytical techniques. Additionally, single-crystal X-ray diffraction is employed to comprehensively investigate the framework's mobility at various temperatures.
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Affiliation(s)
- Azhar Alowasheeir
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya, Japan
| | - Nagy L. Torad
- Chemistry Department, Faculty of Science, Tanta University, Tanta, Egypt
- Department of Chemistry, Khalifa University, Abu Dhabi, United Arab Emirates
- Advanced Materials Chemistry Center (AMCC), Khalifa University, Abu Dhabi, United Arab Emirates
| | - Toru Asahi
- School of Advanced Science and Engineering, Waseda University, Shinjuku-ku, Tokyo, Japan
| | - Saad M. Alshehri
- Chemistry Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Tansir Ahamad
- Chemistry Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Yoshio Bando
- Chemistry Department, College of Science, King Saud University, Riyadh, Saudi Arabia
- Australian Institute for Innovative Materials, University of Wollongong, North Wollongong, New South Wales, Australia
| | - Miharu Eguchi
- School of Advanced Science and Engineering, Waseda University, Shinjuku-ku, Tokyo, Japan
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Queensland, Australia
| | - Yusuke Yamauchi
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya, Japan
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Queensland, Australia
| | - Yukana Terasawa
- Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, Shinjuku-ku, Tokyo, Japan
- Faculty of Advanced Science and Technology, Kumamoto University, Kumamoto-shi, Kumamoto, Japan
| | - Minsu Han
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Queensland, Australia
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Tahir MN, Ashfaq M, Munawar KS, Khan AU, Asghar MA, Ahamad T, Ojha SC. Synthesis, Characterizations, Hirshfeld Surface Analysis, DFT, and NLO Study of a Schiff Base Derived from Trifluoromethyl Amine. ACS Omega 2024; 9:2325-2338. [PMID: 38250356 PMCID: PMC10795116 DOI: 10.1021/acsomega.3c05199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 12/05/2023] [Accepted: 12/15/2023] [Indexed: 01/23/2024]
Abstract
We synthesized an imine-based (Schiff base) crystalline organic chromophore, i.e., (E)-2-ethoxy-6-(((3-(trifluoromethyl)phenyl)imino)methyl)phenol (ETPMP), and explored its nonlinear optical (NLO) properties. The crystalline structure of ETPMP was determined by the XRD technique and equated with the associated structures utilizing a Cambridge Structural Database search. The supramolecular assembly of ETPMP was investigated regarding intermolecular interactions and short contacts by Hirshfeld surface analysis. Void analysis was performed to check the mechanical response of the crystal. Supramolecular assembly was further inspected by interaction energy calculations that were performed with the B3LYP/6-31G(d,p) functional. Besides this, the NLO properties of ETPMP and other already reported crystal TFMOS were explored utilizing the M06/6-31G(d,p) functional of the DFT approach. An excellent agreement was observed between XRD and DFT results of geometric parameters of the above-mentioned crystals. Narrow band gap along with bathochromic shift (3.489 eV and 317.225 nm, respectively) were investigated in TFMOS than that of ETPMP. Owing to these unique properties, TFMOS possesses higher linear (⟨a⟩ = 3.835 × 10-23 esu) and nonlinear (γtot. = 1.346 × 10-34 esu) response as compared to ETPMP. The outcomes explicitly show the higher nonlinearity in TFMOS, highlighting its importance in potential NLO applications.
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Affiliation(s)
| | - Muhammad Ashfaq
- Department of Physics, University of Sargodha, Sargodha 40100, Pakistan
| | - Khurram Shahzad Munawar
- Institute of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
- Department of Chemistry, University of Mianwali, Mianwali 42200, Pakistan
| | - Ahsan Ullah Khan
- Department of Physics, University of Sargodha, Sargodha 40100, Pakistan
| | - Muhammad Adnan Asghar
- Department of Chemistry, Division of Science and Technology, University of Education Lahore, Lahore 54770, Pakistan
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Suvash Chandra Ojha
- Department of Infectious Diseases, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
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Soni V, Sonu, Sudhaik A, Singh P, Thakur S, Ahamad T, Nguyen VH, Thi LAP, Quang HHP, Chaudhary V, Raizada P. Visible-light-driven photodegradation of methylene blue and doxycycline hydrochloride by waste-based S-scheme heterojunction photocatalyst Bi 5O 7I/PCN/tea waste biochar. Chemosphere 2024; 347:140694. [PMID: 37972865 DOI: 10.1016/j.chemosphere.2023.140694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 11/02/2023] [Accepted: 11/10/2023] [Indexed: 11/19/2023]
Abstract
Herein, we have reported a photocatalytic Bi5O7I, protonated g-C3N4 heterojunction with directional charge transfer channels provided by tea waste biochar to achieve effective e-/h+ pair isolation for the improved degradation of Methylene blue (MB) and Doxycycline hydrochloride (DCHCl). An S-scheme heterojunction was fabricated via the novel method that combined hydrothermal and ultrasonic dispersion, followed by an electrostatic self-assembly route. The as-fabricated Bi5O7I/protonated g-C3N4/Tea waste biochar heterojunction formed a strong contact at the interface, as supported by the electron microscopic results. As per the adsorption and photocatalytic degradation kinetics study, Bi5O7I/Tea waste biochar/protonated g-C3N4 (40 wt%) heterojunction showed a higher adsorption rate of 41.56% and 32% for MB and DCHCl within 30 min in the dark. Also, 92.02% MB and 90.21% DCHCl degradation rates in 60 and 90 min, respectively, are approximately 43 and 32 times higher than bare Bi5O7I and protonated g-C3N4 photocatalysts. The highest adsorption and degradation rate was achieved owing to the addition of Tea waste biochar and protonated g-C3N4 in a controlled ratio, and the sufficient interfacial contact between Bi5O7I and protonated g-C3N4 is for the improved isolation rate of e-/h+ pairs as evidenced by zeta potential values photoluminescence spectra as well as from scanning and transmission electron microscopy. Moreover, Bi5O7I/Tea waste biochar/protonated g-C3N4 (40 wt%) possessed high stability and recyclability after four consecutive cycles without much altering the degradation ability. Therefore, we believe that the as-fabricated Bi5O7I/Tea waste biochar/protonated g-C3N4 (40 wt%) provides new insight into the highly efficient S-scheme mechanisms significant for accelerating multicomponent photocatalytic redox reactions; while forming an effective visible light responsive candidate for treating wastewater.
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Affiliation(s)
- Vatika Soni
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Sonu
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Anita Sudhaik
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Van-Huy Nguyen
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India.
| | - Lan-Anh Phan Thi
- VNU Key Laboratory of Analytical Technology for Environmental Quality and Food Safety Control (KLATEFOS), University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Hanoi, Viet Nam; Center for Environmental Technology and Sustainable Development (CETASD), University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Hanoi, Viet Nam
| | - Huy Hoang Phan Quang
- Faculty of Biology and Environment, Ho Chi Minh City University of Industry and Trade (HUIT), 140 Le Trong Tan Street, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City, Viet Nam
| | - Vishal Chaudhary
- Research Cell and Physics Department, Bhagini Nivedita College, University of Delhi, Delhi, India; SUMAM Laboratory (Sustainable Materials and Advanced Nanotechnology Lab), New Delhi, 110072, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
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Patial S, Sudhaik A, Sonu, Thakur S, Van Le Q, Ahamad T, Singh P, Huang CW, Nguyen VH, Raizada P. Synergistic interface engineering in n-p-n type heterojunction Co 3O 4/MIL/Mn-STO with dual S-scheme multi-charge migration to enhance visible-light photocatalytic degradation of antibiotics. Environ Res 2024; 240:117481. [PMID: 37890829 DOI: 10.1016/j.envres.2023.117481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 10/20/2023] [Accepted: 10/22/2023] [Indexed: 10/29/2023]
Abstract
Constructing an effective multi-heterojunction photocatalyst with maximum charge carrier separation remains challenging. Herein, a high-efficient Co3O4/MIL-88A/Mn-SrTiO3 (Co3O4/MIL/Mn-STO) n-p-n heterojunction photocatalyst was successfully prepared by a simple hydrothermal method for the photodegradation of sulfamethoxazole (SMX). The combination of MIL and Co3O4/Mn-STO established an internal electric field and heterojunction, accelerating the separation of carriers, and thus improved photocatalytic performance. In the Co3O4/MIL/Mn-STO photocatalytic system, 95.5 % of SMX was degraded in 90 min. The photocatalytic kinetic removal rate of Co3O4/MIL/Mn-STO reached 0.0337 min-1, 8 times of Co3O4 (0.0041 min-1), 5.2 times of Mn-STO (0.0062 min-1), 4.6 times of MIL (0.0078 min-1), and 3.6 times of MIL/Mn-STO (0.0095 min-1). Remarkably, superoxide radicals (•O2-) and holes (h+) have been recognized as the main active species in the degradation process through reactive species elimination experiments and electron spin resonance (ESR) tests. The experimental and theoretical proved the in-built interfacial contact and synergistic effect between the photocatalyst accomplished with low bandgaps, high specific surface area, more reaction sites, high electron-hole pair separation, and maximum solar-light utilization. The molecular structure and possible degradation routes with intermediate products in the photocatalytic system were investigated using a liquid chromatography-mass spectrometer (LC-MS) and DFT calculations. This work provided new insight into the guidelines of rational design/growth of new multicomponent photocatalysts to remove antibiotics and other emerging contaminants in wastewater.
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Affiliation(s)
- Shilpa Patial
- School of Advanced Chemical Sciences, Shoolini University, Solan (Himachal Pradesh)- 8, 173229, India
| | - Anita Sudhaik
- School of Advanced Chemical Sciences, Shoolini University, Solan (Himachal Pradesh)- 8, 173229, India
| | - Sonu
- School of Advanced Chemical Sciences, Shoolini University, Solan (Himachal Pradesh)- 8, 173229, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan (Himachal Pradesh)- 8, 173229, India
| | - Chao-Wei Huang
- Department of Engineering Science, National Cheng Kung University, No. 1, Daxue Rd., East Dist., Tainan, 701401, Taiwan
| | - Van-Huy Nguyen
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India.
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan (Himachal Pradesh)- 8, 173229, India.
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9
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Dutta V, Sonu S, Raizada P, Thakur VK, Ahamad T, Thakur S, Kumar Verma P, Quang HHP, Nguyen VH, Singh P. Prism-like integrated Bi 2WO 6 with Ag-CuBi 2O 4 on carbon nanotubes (CNTs) as an efficient and robust S-scheme interfacial charge transfer photocatalyst for the removal of organic pollutants from wastewater. Environ Sci Pollut Res Int 2023; 30:124530-124545. [PMID: 35554840 DOI: 10.1007/s11356-022-20743-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
Photocatalytic hybrid carbon nanotubes (CNTs)-mediated Ag-CuBi2O4/Bi2WO6 photocatalyst was fabricated using a hydrothermal technique to effectively eliminate organic pollutants from wastewater. The as-prepared samples were characterized via Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction patterns (XRD), high-resolution transmission electron microscope (HR-TEM), UV-vis Diffuse Reflectance spectrum (UV-Vis DRS), and photoluminescence (PL) studies. The photocatalytic performance of fabricated pristine and hybrid composites was examined by photo-degradation of toxic dye viz. Rhodamine B (RhB) under visible light. Photo-degradation results revealed that the fabricated Ag-CuBi2O4/CNTs/Bi2WO6 semiconductor photocatalyst followed pseudo-first-order kinetics and displayed a higher photocatalytic rate, which was found to be approximately 3.33 and 2.35 times higher than the pristine CuBi2O4 and Bi2WO6 semiconductor photocatalyst, respectively. Re-cyclic results demonstrated that the formed composite owns excellent stability, even after five consecutive cycles. As per the matched Fermi level of CNTs in between Ag-CuBi2O4 and Bi2WO6, carbon nanotubes severed as electron transfer-bridge, Ag doping on CuBi2O4 surface successfully increased photon absorption all across CuBi2O4 surface. Also, it hindered the assimilation of photoinduced electron-hole pairs. The increased photocatalytic efficiency is contributed to the uniform dispersion of photo-generated electron-hole pairs via the construction of an S-scheme system. ROS trapping and ESR experiments suggested that (∙OH) and (O2-∙) were the main radical species for enhanced photo-degradation of RhB dye. The current investigation, from our perspective, highlights the new insights for the fabrication of practical CNTs-mediated S-scheme-based semiconductor photocatalyst for the resolution of environmental issues based on practical considerations.
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Affiliation(s)
- Vishal Dutta
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Sonu Sonu
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Vijay Kumar Thakur
- Bio-Refining and Advanced Materials Research Centre, Scotland's Rural College (SRUC), Edinburgh, UK
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Praveen Kumar Verma
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Huy Hoang Phan Quang
- Faculty of Biology and Environment, Tan Phu District, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan Street, Tay Thanh Ward, Ho Chi Minh City, Vietnam
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram District, 603103, Tamil Nadu, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India.
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10
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Sharma K, Sudhaik A, Raizada P, Thakur P, Pham XM, Van Le Q, Nguyen VH, Ahamad T, Thakur S, Singh P. Constructing α-Fe 2O 3/g-C 3N 4/SiO 2 S-scheme-based heterostructure for photo-Fenton like degradation of rhodamine B dye in aqueous solution. Environ Sci Pollut Res Int 2023; 30:124902-124920. [PMID: 36607579 DOI: 10.1007/s11356-022-24940-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 12/17/2022] [Indexed: 06/17/2023]
Abstract
This work successfully fabricated graphitic carbon nitride and magnetically recoverable α-Fe2O3/g-C3N4/SiO2 photo-Fenton catalysts using thermal polycondensation and in situ-simple precursor drying-calcination process, respectively, was examined for model synthetic rhodamine B (RhB) dye in the presence of H2O2 and acidic pH under simulated visible light irradiation. An aqueous suspension of the reaction mixture of dye-containing wastewater was fully degraded and reached 97% of photo-Fenton degradation efficiency within 120 min followed by the production of hydroxyl radical (•OH). The dominant hydroxyl radical position generated surface charge, electrostatic potential distribution, and average local ionization potential, which contributed to the complete mineralization of RhB dye, according to the density functional theory (DFT) calculations. HPLC and GCMS experiments were performed to examine the degradation fragments of RhB and draw a plausible mechanistic pathway which showed that RhB degradation generated a series of N-deethylated products, followed by a one-time ring-opening, which indicated that photosensitization induced a photocatalysis reaction mechanism.
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Affiliation(s)
- Kirti Sharma
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP, India, 173229
- Department of Chemistry, Shoolini Institute of Life Sciences and Business Management, Himachal Pradesh University, Solan, HP, 173212, India
| | - Anita Sudhaik
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP, India, 173229
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP, India, 173229
| | - Pankaj Thakur
- Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Xuan Minh Pham
- Faculty of Natural Sciences Teacher Education, Dong Thap University, Pham Huu Lau Street, Ward 6, 783, Cao Lanh City, Dong Thap, Vietnam
| | - Quyet Van Le
- Faculty of Department of Materials Science and Engineering, Korea University, 145, Anamro Seongbuk-Gu, Seoul, 02841, South Korea
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, 603103, Tamil Nadu, India.
| | - Tansir Ahamad
- Department of Chemistry College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP, India, 173229
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11
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Shafiq I, Mustafa A, Zahid R, Baby R, Ahmed S, Asghar MA, Ahamad T, Alam M, Braga AAC, Ojha SC. Theoretical Perspective toward Designing of 5-Methylbenzo [1,2- b:3,4- b':6,5- b″] trithiophene-Based Nonlinear Optical Compounds with Extended Acceptors. ACS Omega 2023; 8:39288-39302. [PMID: 37901567 PMCID: PMC10601083 DOI: 10.1021/acsomega.3c04774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/27/2023] [Indexed: 10/31/2023]
Abstract
A series of benzotrithiophene-based compounds (DCTM1-DCTM6) having D1-π1-D2-π2-A configuration were designed using a reference molecule (DCTMR) via incorporating pyrrole rings (n = 1-5) as the π-spacer (π2). Quantum chemical calculations were performed to determine the impact of the pyrrole ring on the nonlinear optical (NLO) behavior of the above-mentioned chromophores. The optoelectronic properties of the compounds were determined at the MW1PW91/6-311G(d,p) functional. Among all of the derivatives, DCTM5 exhibited the least highest occupied molecular orbital-lowest unoccupied molecular orbital (HOMO-LUMO) band gap (Eg) 0.968 eV with a high softness of 0.562 eV-1, and hence possessed the highest polarizability. Interestingly, transition density matrix (TDM) findings demonstrated that DCTM5 with an effective diagonal charge transmission proportion at the acceptor group supports the frontier molecular orbital (FMO) results. Additionally, the exciton binding energy values for DCTM1-DCTM6 were found to be less than that for DCTMR and thus, the effective charge transfer was examined in the derivatives. All of the derivatives exhibited effective NLO outcomes with the highest magnitude of linear polarizability ⟨α⟩, and first (βtot) and second (γtot) hyperpolarizabilities relative to the parent compound. Nevertheless, the highest βtot and γtot were obtained for DTCM1 and DTCM6, 7.0440 × 10-27 and 22.260 × 10-34 esu, respectively. Hence, through this structural tailoring with a pyrrole spacer, effective NLO materials can be obtained for optoelectronic applications.
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Affiliation(s)
- Iqra Shafiq
- Institute
of Chemistry, Khwaja Fareed University of
Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
- Centre
for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
| | - Ayesha Mustafa
- Institute
of Chemistry, Khwaja Fareed University of
Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
- Centre
for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
| | - Romaisa Zahid
- Institute
of Chemistry, Khwaja Fareed University of
Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
- Centre
for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
| | - Rabia Baby
- Department
of education, Sukkur IBA university, Sukkur 65200, Pakistan
| | - Sarfraz Ahmed
- Wellman
Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Muhammad Adnan Asghar
- Department
of Chemistry, Division of Science and Technology, University of Education Lahore, Lahore 54770, Pakistan
| | - Tansir Ahamad
- Department
of Chemistry, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
| | - Manawwer Alam
- Department
of Chemistry, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
| | - Ataualpa A. C. Braga
- Departamento
de Qu′ımica Fundamental, Instituto de Qu′ımica, Universidade de Saõ Paulo, Av. Prof. Lineu Prestes, 748, Sao Paulo 05508-000, Brazil
| | - Suvash Chandra Ojha
- Department
of Infectious Diseases, The Affiliated Hospital
of Southwest Medical University, Luzhou 646000, China
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12
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Selvam R, Subramanian M, Diviya M, Khan TMY, Baig RU, Ahamad T, Kalam MA, Razak A, Monish N, Wodajo AW. Effect of silicon carbide on kerf convergence and irregularity of the surface during abrasive water jet machining of fiber-metal hybrid composites. Sci Rep 2023; 13:17391. [PMID: 37833365 PMCID: PMC10575885 DOI: 10.1038/s41598-023-44334-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 10/06/2023] [Indexed: 10/15/2023] Open
Abstract
The traditional way to machine hybrid composites is hard because they tend to break, have a high retraction, have a high service temperature, and have an uneven surface irregularity. For high-strength fiber/metal composite constructions, alternative machining methods have drawn interest as a solution to these problems. Current research focuses on enhancing the Abrasive Water Jet Machining process by optimizing its variables using a composite material of epoxy reinforced with silicon carbide, stainless steel wire mesh, and Kevlar. The variables assessed are the Nozzle-to-substrate gap (S), the Abrasive discharge molding and different percentages of silicon carbide (SiC) filler (0%, 3%, and 6% by weight), three different types of hybrid laminates (H1, H2, and H3) were produced. The response surface method (RSM) was utilized in this learning, specifically on a central composite design, to calculate and optimize machining variables based on the Kerf convergence ratio (Kt) and Surface irregularity (Ra) as responses. According to the results, the traverse feed velocity, Abrasive discharge proportion, and Nozzle-to-substrate gap are the critical factors in determining Surface irregularity and Kerf convergence width (H1 laminate) for a fiber/metal laminate with 0%, 3% and 6% weight fraction. In the case of a 3% weight fraction H2 laminate, the traverse feed velocity was identified as the primary factor affecting the Kerf convergence ratio. In contrast, traverse feed velocity and Nozzle-to-substrate gap had the most significant influence on Surface irregularity. The findings also indicated that S, followed by Abrasive discharge proportion and traverse feed velocity, are the variables that have the most significant influence when cutting 6 wt% SiC filler particle fiber/metal laminate (H3 laminate). For Surface irregularity, the combination of traverse feed velocity and Nozzle-to-substrate gap had the most significant impact. To validate the optimization results, confirmatory tests was conducted, and the findings were very similar to the experimental values, indicating the accuracy and effectiveness of the optimization process. To better understand the manufacturing processes, a scanning electron microscope was used to examine the morphological features of the machined surfaces, such as delamination, fibre breakage, and fibre pull-out.
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Affiliation(s)
- R Selvam
- Department of Mechanical Engineering, St. Joseph's College of Engineering, Old Mamallapuram Road, Chennai, Tamilnadu, 600119, India
| | - M Subramanian
- Department of Mechanical Engineering, St. Joseph's College of Engineering, Old Mamallapuram Road, Chennai, Tamilnadu, 600119, India.
| | - M Diviya
- Department of Computer Science and Engineering, Amrita School of Computing, Amrita Vishwa Vidyapeetham, Chennai, Tamilnadu, 601103, India.
| | - T M Yunus Khan
- Department of Mechanical Engineering, College of Engineering, King Khalid University, 61421, Abha, Saudi Arabia
| | - Rahmath Ulla Baig
- Department of Industrial Engineering, College of Engineering, King Khalid University, 61421, Abha, Saudi Arabia
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Md Abul Kalam
- School of Civil and Environmental Engineering, FEIT, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Abdul Razak
- Department of Mechanical Engineering, P. A. College of Engineering (Affiliated to Visvesvaraya Technological University, Belagavi), Mangaluru, 574153, India
| | - N Monish
- Department of Mechanical Engineering, St. Joseph's College of Engineering, Old Mamallapuram Road, Chennai, Tamilnadu, 600119, India
| | - Anteneh Wogasso Wodajo
- Department of Automotive Engineering, College of Engineering and Technology, Dilla University, Dilla, Ethiopia.
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13
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Li H, Lin C, Wu Y, Qiao X, Yang D, Dai Y, Sun Q, Ahamad T, Zhao Z, Ma D. Exciton dynamics of an aggregation-induced delayed fluorescence emitter in non-doped OLEDs and its application as host for high-efficiency red phosphorescent OLEDs. Phys Chem Chem Phys 2023; 25:26878-26884. [PMID: 37782517 DOI: 10.1039/d3cp03275b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Aggregation-induced delayed fluorescence (AIDF) materials have great potential in non-doped OLEDs due to their high photoluminescence (PL) quantum efficiency in film, high exciton utilization in the aggregated state and negligible efficiency roll-off at high luminance. However, their efficient mechanism in OLEDs is not yet well understood. Here, the exciton dynamics are used to investigate the electroluminescence (EL) mechanism of an AIDF emitter (4-(10H-phenoxazin-10-yl)phenyl)-(9-phenyl-9H-carbazol-3-yl)methanone (CP-BP-PXZ) in detail. It can be seen that the high efficiency and negligible efficiency roll-off in non-doped OLEDs based on CP-BP-PXZ as the emitter are ascribed to the effective reverse intersystem crossing (RISC) from high level triplet T2 to singlet S1 in the aggregated state. Furthermore, CP-BP-PXZ also exhibits excellent properties as a phosphor host due to its good AIDF properties. Thus, high-efficiency red phosphorescent OLEDs with low roll-off efficiency are successfully fabricated based on CP-BP-PXZ as the host. The maximum external quantum efficiency (EQEmax) reaches 23% and is maintained at 21% at a luminance of 1000 cd m-2.
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Affiliation(s)
- Hanlin Li
- Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.
| | - Chengwei Lin
- Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.
| | - Yibing Wu
- Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.
| | - Xianfeng Qiao
- Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.
| | - Dezhi Yang
- Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.
| | - Yanfeng Dai
- Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.
| | - Qian Sun
- Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Zhujin Zhao
- Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.
| | - Dongge Ma
- Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.
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14
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Javed M, Khan MU, Hussain R, Ahmed S, Ahamad T. Deciphering the electrochemical sensing capability of novel Ga 12As 12 nanocluster towards chemical warfare phosgene gas: insights from DFT. RSC Adv 2023; 13:28885-28903. [PMID: 37790104 PMCID: PMC10543987 DOI: 10.1039/d3ra05086f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 09/19/2023] [Indexed: 10/05/2023] Open
Abstract
The applications of 3D inorganic nanomaterials in environmental and agriculture monitoring have been exploited continuously; however, the utilization of semiconductor nanoclusters, especially for detecting warfare agents, has not been fully investigated yet. To fill this gap, the molecular modelling of novel inorganic semiconductor nanocluster Ga12As12 as a sensor for phosgene gas (highly toxic for living things and the environment) is accomplished employing benchmark DFT and TD-DFT investigations. Computational tools have been applied to explore different adsorption sites and the potential sensing capability of the Ga12As12 nanoclusters. The calculated adsorption energy (-21.34 ± 2.7 kcal mol-1) for ten selected complexes, namely, Pgn-Cl@4m-ring (MS1), Pgn-Cl@6m-ring (MS2), Pgn-Cl@XY66 (MS3), Pgn-O@4m-ring (MS4), Pgn-O@XY66 (MS5), Pgn-O@XY64 (MS6), Pgn-O@Y (MS7), Pgn-planar@Y (MS8), Pgn-planar@X (MS9), and Pgn-planar@4m-ring (MS10), manifest the remarkable and excessive adsorption response of the studied nanoclusters. The explored molecular electronic properties, such as interaction distance (3.05 ± 0.5 Å), energy gap (∼2.17 eV), softness (∼0.46 eV), hardness (1.10 ± 0.01 eV), electrophilicity index (10.27 ± 0.45 eV), electrical conductivity (∼1.98 × 109), and recovery time (∼3 × 10-12 s-1) values, ascertain the elevated reactivity and an imperishable sensitivity of the Ga12As12 nanocluster, particularly for its complex MS8. QTAIM analysis exhibits the presence of a strong electrostatic bond (positive ∇2ρ(r) values), electron delocalization (ELF < 0.5), and a strong chemical bond (because of high all-electron density values). In addition, NBO analysis explores the lone pair electron delocalization of phosgene to the nanocluster stabilized by intermolecular charge transfer (ICT) and different kinds of non-covalent interactions. Also, the green region existence expressed by NCI analysis (between the nanocluster and adsorbate) stipulate the energetic and dominant interactions. Furthermore, the UV-Vis, thermodynamic analysis, and density of state (DOS) demonstrate the maximum absorbance (562.11 nm) and least excitation energy (2.21 eV) by the complex MS8, the spontaneity of the interaction process, and the significant changes in HOMO and LUMO energies, respectively. Thus, the Ga12As12 nanocluster has proven to be a promising influential sensing material to monitor phosgene gas in the real world, and this study will emphasize the informative knowledge for experimental researchers to use Ga12As12 as a sensor for the warfare agent (phosgene).
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Affiliation(s)
- Muhammad Javed
- Department of Chemistry, University of Okara Okara-56300 Pakistan
| | | | - Riaz Hussain
- Department of Chemistry, University of Okara Okara-56300 Pakistan
| | - Sarfraz Ahmed
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital Boston MA 02114 USA
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University Saudi Arabia
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15
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Shah MA, Hayder G, Kumar R, Kumar V, Ahamad T, Kalam MA, Soudagar MEM, Mohamed Shamshuddin SZ, Mubarak NM. Development of sustainable biomass residues for biofuels applications. Sci Rep 2023; 13:14248. [PMID: 37648719 PMCID: PMC10469211 DOI: 10.1038/s41598-023-41446-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 08/26/2023] [Indexed: 09/01/2023] Open
Abstract
A comprehensive understanding of physiochemical properties, thermal degradation behavior and chemical composition is significant for biomass residues before their thermochemical conversion for energy production. In this investigation, teff straw (TS), coffee husk (CH), corn cob (CC), and sweet sorghum stalk (SSS) residues were characterized to assess their potential applications as value-added bioenergy and chemical products. The thermal degradation behavior of CC, CH, TS and SSS samples is calculated using four different heating rates. The activation energy values ranged from 81.919 to 262.238 and 85.737-212.349 kJ mol-1 and were generated by the KAS and FWO models and aided in understanding the biomass conversion process into bio-products. The cellulose, hemicellulose, and lignin contents of CC, CH, TS, and SSS were found to be in the ranges of 31.56-41.15%, 23.9-32.02%, and 19.85-25.07%, respectively. The calorific values of the residues ranged from 17.3 to 19.7 MJ/kg, comparable to crude biomass. Scanning electron micrographs revealed agglomerated, irregular, and rough textures, with parallel lines providing nutrient and water transport pathways in all biomass samples. Energy Dispersive X-ray spectra and X-ray diffraction analysis indicated the presence of high carbonaceous material and crystalline nature. FTIR analysis identified prominent band peaks at specific wave numbers. Based on these findings, it can be concluded that these residues hold potential as energy sources for various applications, such as the textile, plastics, paints, automobile, and food additive industries.
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Affiliation(s)
- Mudasir Akbar Shah
- Institute of Energy Infrastructure (IEI), Universiti Tenaga Nasional (UNITEN), 43000, Kajang, Malaysia.
| | - Gasim Hayder
- Institute of Energy Infrastructure (IEI), Universiti Tenaga Nasional (UNITEN), 43000, Kajang, Malaysia.
| | - Rahul Kumar
- Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India
| | - Vimal Kumar
- Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Md Abul Kalam
- School of Civil and Environmental Engineering, FEIT, University of Technology Sydney, NSW 2007, Australia
| | - Manzoore Elahi Mohammad Soudagar
- Department of Mechanical Engineering and University Centre for Research and Development, Chandigarh University, Mohali, Punjab, 140413, India
- Institute of Sustainable Energy, Universiti Tenaga Nasional, Jalan IKRAM-UNITEN, 43000, Kajang, Selangor, Malaysia
| | | | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
- Department of Biosciences, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, India.
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16
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Hebbale AM, Kumar M, Soudagar MEM, Ahamad T, Kalam MA, Mubarak NM, Alfantazi A, Khalid M. A comparative study on characteristics of composite (Cr3C2-NiCr) clad developed through diode laser and microwave energy. Sci Rep 2023; 13:10778. [PMID: 37402883 DOI: 10.1038/s41598-023-37991-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/30/2023] [Indexed: 07/06/2023] Open
Abstract
A typical ferrite/martensitic heat-resistant steel (T91) is widely used in reheaters, superheaters and power stations. Cr3C2-NiCr-based composite coatings are known for wear-resistant coatings at elevated temperature applications. The current work compares the microstructural studies of 75 wt% Cr3C2- 25 wt% NiCr-based composite clads developed through laser and microwave energy on a T91 steel substrate. The developed clads of both processes were characterized through a field emission scanning electron microscope (FE-SEM) attached with energy-dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD) and assessment of Vickers microhardness. The Cr3C2-NiCr based clads of both processes revealed better metallurgical bonding with the chosen substrate. The microstructure of the developed laser clad shows a distinctive dense solidified structure, with a rich Ni phase occupying interdendritic spaces. In the case of microwave clad, the hard chromium carbide particles consistently dispersed within the soft nickel matrix. EDS study evidenced that the cell boundaries are lined with chromium where Fe and Ni were found inside the cells. The X-ray phase analysis of both the processes evidenced the common presence of phases like chromium carbides (Cr7C3, Cr3C2, Cr23C6), Iron Nickel (FeNi3) and chromium-nickel (Cr3Ni2, CrNi), despite these phases iron carbides (Fe7C3) are observed in the developed microwave clads. The homogeneous distributions of such carbides in the developed clad structure of both processes indicated higher hardness. The typical microhardness of the laser-clad (1142 ± 65HV) was about 22% higher than the microwave clad (940 ± 42 HV). Using a ball-on-plate test, the study analyzed microwave and laser-clad samples' wear behavior. Laser-cladding samples showed superior wear resistance due to hard carbide elements. At the same time, microwave-clad samples experienced more surface damage and material loss due to micro-cutting, loosening, and fatigue-induced fracture.
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Affiliation(s)
- Ajit M Hebbale
- Department of Mechanical Engineering, Nitte (Deemed to Be University), NMAM Institute of Technology (NMAMIT), Nitte, Karnataka, 574110, India.
| | - Manish Kumar
- Department of Mechanical Engineering, Nitte (Deemed to Be University), NMAM Institute of Technology (NMAMIT), Nitte, Karnataka, 574110, India
| | - Manzoore Elahi Mohammad Soudagar
- Department of Mechanical Engineering and University Centre for Research & Development, Chandigarh University, Mohali, Punjab, 140413, India.
- Institute of Sustainable Energy, Universiti Tenaga Nasional, 43000, Kajang, Selangor, Malaysia.
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Md Abul Kalam
- School of Civil and Environmental Engineering, FEIT, University of Technology, Sydney, NSW, 2007, Australia
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, 1410, Brunei Darussalam.
| | - Akram Alfantazi
- Department of Chemical Engineering, Khalifa University, 127788, Abu Dhabi, United Arab Emirates
| | - Mohammad Khalid
- Sunway Centre for Electrochemical Energy and Sustainable Technology (SCEEST), School of Engineering and Technology, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia
- Division of Research and Development, Lovely Professional University, Phagwara, Punjab, 144411, India
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17
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Kumar R, Sudhaik A, Sonu A, Raizada P, Nguyen VH, Van Le Q, Ahamad T, Thakur S, Hussaind CM, Singh P. Integrating K and P co-doped g-C 3N 4 with ZnFe 2O 4 and graphene oxide for S-scheme-based enhanced absorption coupled photocatalytic real wastewater treatment. Chemosphere 2023:139267. [PMID: 37343631 DOI: 10.1016/j.chemosphere.2023.139267] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/24/2023] [Accepted: 06/16/2023] [Indexed: 06/23/2023]
Abstract
Recently, there has been a significant increase in the interest of using photocatalysis for environmental clean-up applications. In this research, potassium, and phosphorus co-doped graphitic carbon nitride (KPCN) photocatalyst modified with graphene oxide (GO) and heterostructured with ZnFe2O4 was synthesized via the hydrothermal method (KPCN/GO/ZnFe2O4). The photoactivity of KPCN/GO/ZnFe2O4 photocatalyst was examined for the photocatalytic degradation of target pollutants such as methylene blue (MB) dye, rhodamine B (RhB) dye, and tetracycline (TC) antibiotic. Furthermore, the chemical oxygen demand (COD) removal efficiency for real wastewater was determined to explore the practical application of KPCN/GO/ZnFe2O4 photocatalyst. The degradation efficiencies of bare graphitic carbon nitride, KPCN, KPCN/GO, and KPCN/GO/ZnFe2O4 photocatalysts for tetracycline antibiotics were 30%, 42%, 57%, and 87% within 60 min, respectively. Moreover, KPCN/GO/ZnFe2O4 photocatalyst showed 71% COD removal efficiency within 240 min. The •OH and •O2- were the major reactive species in the photocatalytic process. Results showed that the degradation efficiencies of graphitic carbon nitride were greatly enhanced upon doping and further improved with the addition of GO and ZnFe2O4. Doping improved light harvesting, GO enhanced the adsorption ability and heterojunction with ZnFe2O4 enhanced the charge separation as well as the reusability of synthesized KPCN/GO/ZnFe2O4 photocatalyst.
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Affiliation(s)
- Rohit Kumar
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Anita Sudhaik
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - A Sonu
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram District, 603103, Tamil Nadu, India
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anamro Seongbuk-gu, Seoul, 02841, South Korea
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | | | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
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18
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Soni V, Patial S, Kumar A, Singh P, Thakur VK, Ahamad T, Van Le Q, Luque R, Raizada P, Nguyen VH. Covalent organic frameworks (COFs) core@shell nanohybrids: Novel nanomaterial support towards environmental sustainability applications. Environ Res 2023; 232:116353. [PMID: 37295591 DOI: 10.1016/j.envres.2023.116353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/16/2023] [Accepted: 06/06/2023] [Indexed: 06/12/2023]
Abstract
Covalent organic frameworks (COFs) based on core@shell nanohybrids have recently received significant attention and have become one of the most promising strategies for improving the stability and catalytic activity of COFs. Compared with traditional core@shell, COF-based core@shell hybrids own remarkable advantages, including size-selective reactions, bifunctional catalysis, and integration of multiple functions. These properties could enhance the stability and recyclability, resistance to sintering, and maximize the electronic interaction between the core and the shell. The activity and selectivity of COF-based core@shell could be simultaneously improved by taking benefit of the existing synergy between the functional encapsulating shell and the covered core material. Considering that, we have highlighted various topological diagrams and the role of COFs in COF-based core@shell hybrid for activity and selectivity enhancement. This concept article provides all-inclusive advances in the design and catalytic applications of COF-based core@shell hybrids. Various synthetic techniques have been developed for the facile tailoring of functional core@shell hybrids, including novel seed growth, in-situ, layer-by-layer, and one-pot method. Importantly, charge dynamics and structure-performance relationships are investigated through different characterization techniques. Different COF-based core@shell hybrids with established synergistic interactions have been detailed, and their influence on stability and catalytic efficiency for various applications is explained and discussed in this contribution. A comprehensive discussion on the remaining challenges associated with COF-based core@shell nanoparticles and research directions has also been provided to deliver insightful ideas for additional future developments.
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Affiliation(s)
- Vatika Soni
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India
| | - Shilpa Patial
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India
| | - Abhinandan Kumar
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Centre Scotland's Rural College (SRUC), Edinburgh, United Kingdom
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, South Korea
| | - Rafael Luque
- Peoples Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Str., Moscow, 117198, Russian Federation; Universidad ECOTEC, Km. 13.5 Samborondón, Samborondón, EC092302, Ecuador
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India.
| | - Van-Huy Nguyen
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India.
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19
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Sharma S, Sudhaik A, Khan AAP, Saini AK, Mittal D, Nguyen VH, Van Le Q, Ahamad T, Raizada P, Singh P. Potential of novel dual Z-scheme carbon quantum dots decorated MnIn 2S 4/CdS/Bi 2S 3 heterojunction for environmental applications. Environ Sci Pollut Res Int 2023:10.1007/s11356-023-27591-0. [PMID: 37258806 DOI: 10.1007/s11356-023-27591-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 05/09/2023] [Indexed: 06/02/2023]
Abstract
In this work, CQDs decorated MnIn2S4/CdS/Bi2S3 heterojunction was prepared successfully by hydrothermal technique for photocatalytic disinfection of Escherichia coli (E. coli) and mineralization of methyl orange (MO) dye. The charge transferal route and mineralization process in CQDs-MnIn2S4/CdS/Bi2S3 heterojunction were comprehensively investigated by advanced spectroscopic techniques. The improved visible-light activity and enhanced photo-generated charge transferal efficacy caused dual Z-scheme CQDs-MnIn2S4/CdS/Bi2S3 heterojunction to achieve boosted photodegradation ability. The catalytic degradation trend was followed as CQDs-MnIn2S4/CdS/Bi2S3 > MnIn2S4 > CdS > Bi2S3. The dye was mineralized within 180 min under visible light irradiation. The effect of reaction parameters, pH effect, catalyst dosage, and H2O2 addition on MO degradation was also investigated. The degradation rate was maximal at pH 4 with a pseudo-first-order rate constant, 0.0438 min-1. The assessment of antibacterial properties revealed that CQDs-MnIn2S4/CdS/Bi2S3 composite effectively inactivated E. coli under visible light. Scavenging experiments, transient photocurrent response, and electron spin resonance spectroscopy suggested that •[Formula: see text] and holes were the dominant reactive species. The Z-scheme heterojunction is recyclable up to ten photocatalytic cycles according to recycling experiments. This research indicates the importance of dual Z-scheme CQDs decorated MnIn2S4/CdS/Bi2S3 heterojunction in wastewater remediation.
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Affiliation(s)
- Sheetal Sharma
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
- Department of Chemistry, School of Computer Science and Engineering, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Anita Sudhaik
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Aftab Aslam Parwaz Khan
- Center of Excellence for Advanced Materials Research and Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
| | - Adesh K Saini
- Department of Biotechnology, MMEC and Central Research Cell, Maharishi Markandeshwar (Deemed to Be University), Mullana, Ambala, HR, 133207, India
| | - Divya Mittal
- Department of Biotechnology, MMEC and Central Research Cell, Maharishi Markandeshwar (Deemed to Be University), Mullana, Ambala, HR, 133207, India
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kanchipuram District, Kelambakkam, 603103, Tamil Nadu, India
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anamro Seongbuk-Gu, Seoul, 02841, South Korea
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
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20
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Velayutham M, Sarkar P, Karuppiah KM, Arumugam P, Shajahan S, Abu Haija M, Ahamad T, Arasu MV, Al-Dhabi NA, Choi KC, Guru A, Arockiaraj J. PS9, Derived from an Aquatic Fungus Virulent Protein, Glycosyl Hydrolase, Arrests MCF-7 Proliferation by Regulating Intracellular Reactive Oxygen Species and Apoptotic Pathways. ACS Omega 2023; 8:18543-18553. [PMID: 37273629 PMCID: PMC10233697 DOI: 10.1021/acsomega.3c00336] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/01/2023] [Indexed: 06/06/2023]
Abstract
One of the most common diseases in women is breast cancer, which has the highest death globally. Surgery, chemotherapy, hormone treatments, and radiation are the current treatment options for breast cancer. However, these options have several adverse side effects. Recently, peptide-based drugs have gained attention as anticancer therapy. Studies report that peptides from biological toxins such as venom and virulent pathogenic molecules have potential therapeutic effects against multiple diseases, including cancers. This study reports on the in vitro anticancer effect of a short peptide, PS9, derived from a virulent protein, glycosyl hydrolase, of an aquatic fungus, Aphanomyces invadans. This peptide arrests MCF-7 proliferation by regulating intercellular reactive oxygen species (ROS) and apoptotic pathways. Based on the potential for the anticancer effect of PS9, from the in silico analysis, in vitro analyses using MCF-7 cells were executed. PS9 showed a dose-dependent activity; its IC50 value was 25.27-43.28 μM at 24 h. The acridine orange/ethidium bromide (AO/EtBr) staining, to establish the status of apoptosis in MCF-7 cells, showed morphologies for early and late apoptosis and necrotic cell death. The 2,7-dichlorodihydrofluorescein diacetate (DCFDA) staining and biochemical analyses showed a significant increase in reactive oxygen species (ROS). Besides, PS9 has been shown to regulate the caspase-mediated apoptotic pathway. PS9 is nontoxic, in vitro, and in vivo zebrafish larvae. Together, PS9 may have an anticancer effect in vitro.
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Affiliation(s)
- Manikandan Velayutham
- Department
of Medical Biotechnology and Integrative Physiology, Institute of
Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Thandalam, Chennai 602105, Tamil Nadu, India
| | - Purabi Sarkar
- Department
of Molecular Medicine, School of Allied Healthcare and Sciences, Jain Deemed-to-be University, Whitefield, Bangalore 560066, Karnataka, India
| | - Kanchana M. Karuppiah
- Department
of Medical Research, Medical College Hospital and Research Centre, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, Tamil Nadu, India
| | - Priyadharsan Arumugam
- Department
of Conservative Dentistry and Endodontics, Saveetha Dental College
and Hospitals, SIMATS, Chennai 600077, Tamil Nadu, India
| | - Shanavas Shajahan
- Department
of Conservative Dentistry and Endodontics, Saveetha Dental College
and Hospitals, SIMATS, Chennai 600077, Tamil Nadu, India
- Department
of Chemistry, Khalifa University of Science
and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Mohammad Abu Haija
- Department
of Chemistry, Khalifa University of Science
and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
- Center for
Catalysis and Separations, Khalifa University
of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Tansir Ahamad
- Department
of Chemistry, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
| | - Mariadhas Valan Arasu
- Department
of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Naif Abdullah Al-Dhabi
- Department
of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Ki-Choon Choi
- Grassland
and Forage Division, National Institute
of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam 330-801, Republic of Korea
| | - Ajay Guru
- Department
of Conservative Dentistry and Endodontics, Saveetha Dental College
and Hospitals, SIMATS, Chennai 600077, Tamil Nadu, India
| | - Jesu Arockiaraj
- Department
of Biotechnology, College of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, Tamil Nadu, India
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21
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Talugeri V, Pattana NB, Nasi VB, Shahapurkar K, Soudagar MEM, Ahamad T, Kalam MA, Chidanandamurthy KM, Mubarak NM, Karri RR. Experimental investigation on a solar parabolic collector using water-based multi-walled carbon-nanotube with low volume concentrations. Sci Rep 2023; 13:7398. [PMID: 37149723 PMCID: PMC10164141 DOI: 10.1038/s41598-023-34529-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/03/2023] [Indexed: 05/08/2023] Open
Abstract
A limited experimental work was on multi-walled carbon nanotube (MWCNT)-water nanofluid with surfactant in the solar parabolic collector at low volume concentrations. At high-volume concentrated nanofluid, the pressure drop was more due to an increase in the viscosity of the working fluid and an increase in the nanoparticle cost; hence it is not economical. This report attempted to use Sodium Dodecyl Benzene Sulfonate (SDBS) surfactant in the low-volume concentrated MWCNT-water nanofluid to establish effective heat transfer in solar parabolic collector applications. The stable MWCNT-water nanofluid was prepared at 0.0158, 0.0238, and 0.0317 volume concentrations. The experiments were conducted from 10:00 to 16:00 at 6, 6.5 and 7 L/min flow rates concerning ASHRAE Standards. At the 7 L/min flow rate of the working fluid, having a minimum temperature difference between the working fluid and absorber tube leads to better heat transfer. The increased volume concentration of MWCNT in the water enhances the surface area interaction between water and MWCNT nanoparticles. This results in maximum solar parabolic collector efficiency at 0.0317 vol% with a 7 L/min flow rate and 10-11% higher than the distilled water.
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Affiliation(s)
- Vinayak Talugeri
- Department of Mechanical Engineering, M. S. Ramaiah Institute of Technology (Affiliated to VTU), Bangalore, 560054, India.
| | - Nagaraj Basavaraj Pattana
- Department of Mechanical Engineering, M. S. Ramaiah Institute of Technology (Affiliated to VTU), Bangalore, 560054, India
| | - Veeranna Basawannappa Nasi
- Department of Mechanical Engineering, M. S. Ramaiah Institute of Technology (Affiliated to VTU), Bangalore, 560054, India
| | - Kiran Shahapurkar
- Department of Mechanical Engineering, School of Mechanical, Chemical and Materials Engineering, Adama Science and Technology University, 1888, Adama, Ethiopia
| | - Manzoore Elahi Mohammad Soudagar
- Department of VLSI Microelectronics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamilnadu, 602105, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Md Abul Kalam
- School of Civil and Environmental Engineering, FEIT, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | | | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam
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22
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Poonia K, Patial S, Raizada P, Ahamad T, Parwaz Khan AA, Van Le Q, Nguyen VH, Hussain CM, Singh P. Recent advances in Metal Organic Framework (MOF)-based hierarchical composites for water treatment by adsorptional photocatalysis: A review. Environ Res 2023; 222:115349. [PMID: 36709022 DOI: 10.1016/j.envres.2023.115349] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/16/2023] [Accepted: 01/21/2023] [Indexed: 06/18/2023]
Abstract
Architecting a desirable and highly efficient nanocomposite for applications like adsorption, catalysis, etc. has always been a challenge. Metal Organic Framework (MOF)-based hierarchical composite has perceived popularity as an advanced adsorbent and catalyst. Hierarchically structured MOF material can be modulated to allow the surface interaction (external or internal) of MOF with the molecules of interest. They are well endowed with tunable functionality, high porosity, and increased surface area epitomizing mass transfer and mechanical stability of the fabricated nanostructure. Additionally, the anticipated optimization of nanocomposite can only be acquired by a thorough understanding of the synthesis techniques. This review starts with a brief introduction to MOF and the requirement for advanced nanocomposites after the setback faced by conventional MOF structures. Further, we discussed the background of MOF-based hierarchical composites followed by synthetic techniques including chemical and thermal treatment. It is important to rationally validate the successful nanocomposite fabrication by characterization techniques, an overview of challenges, and future perspectives associated with MOF-based hierarchically structured nanocomposite.
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Affiliation(s)
- Komal Poonia
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
| | - Shilpa Patial
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia.
| | - Aftab Aslam Parwaz Khan
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, P. O. Box 80203, Jeddah, 21589, Saudi Arabia.
| | - Quyet Van Le
- Faculty of Department of Materials Science and Engineering, Korea University, 145, Anam13 Ro Seongbuk-gu, Seoul, 02841, South Korea.
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram District, 603103, Tamil Nadu, India.
| | - Chaudhery Mustansar Hussain
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ, 07102, USA.
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
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23
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Hasija V, Singh P, Thakur S, Nguyen VH, Van Le Q, Ahamad T, Alshehri SM, Raizada P, Matsagar BM, Wu KCW. O and S co-doping induced N-vacancy in graphitic carbon nitride towards photocatalytic peroxymonosulfate activation for sulfamethoxazole degradation. Chemosphere 2023; 320:138015. [PMID: 36746247 DOI: 10.1016/j.chemosphere.2023.138015] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/25/2022] [Accepted: 01/28/2023] [Indexed: 06/18/2023]
Abstract
Doping-induced vacancy engineering of graphitic carbon nitride (GCN) is beneficial for bandgap modulation, efficient electronic excitation, and facilitated charge carrier migration. In this study, synthesis of oxygen and sulphur co-doped induced N vacancies (OSGCN) by the hydrothermal method was performed to activate peroxymonosulfate (PMS) for sulfamethoxazole (SMX) antibiotic degradation and H2 production. The results from experimental and DFT simulation studies validate the synergistic effects of co-dopants and N-vacancies, i.e., bandgap lowering, electron-hole pairs separation, and high solar energy utilization. The substitution of sp2 N atom by O and S co-dopants causes strong delocalization of HOMO-LUMO distribution, enhancing carrier mobility, increasing reactive sites, and facilitating charge-carrier separation. Remarkably, OSGCN/PMS photocatalytic system achieved 99.4% SMX degradation efficiency and a high H2 generation rate of 548.23 μ mol g-1 h-1 within 60 min and 36 h, respectively under visible light irradiations. The SMX degradation kinetics was pseudo-first-order with retained recycling efficiency up to 4 catalytic cycles. The results of EPR and chemical scavenging experiments revealed the redox action of reactive oxidative species, wherein 1O2 was the dominant reactive species in SMX degradation. The identification of formed intermediates and the SMX stepwise degradation pathway was investigated via LC-MS analysis and DFT studies, respectively. The results from this work anticipated deepening the understanding of PMS activation by substitutional co-doping favoring N-vacancy formation in GCN lattice for improved photocatalytic activity.
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Affiliation(s)
- Vasudha Hasija
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram District, 603103, Tamil Nadu, India
| | - Quyet Van Le
- Faculty of Department of Materials Science and Engineering, Korea University, 145, Anamro Seongbuk-gu, Seoul, 02841, South Korea
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia.
| | - Saad M Alshehri
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
| | - Babasaheb M Matsagar
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Kevin C-W Wu
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan.
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Dhull P, Sudhaik A, Sharma V, Raizada P, Hasija V, Gupta N, Ahamad T, Nguyen VH, Kim A, Shokouhimehr M, Kim SY, Le QV, Singh P. An overview on InVO4-based photocatalysts: Electronic properties, synthesis, enhancement strategies, and photocatalytic applications. Molecular Catalysis 2023. [DOI: 10.1016/j.mcat.2023.113013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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Perumal K, Shanavas S, Ahamad T, Karthigeyan A, Murugakoothan P. Construction of Ag 2CO 3/BiOBr/CdS ternary composite photocatalyst with improved visible-light photocatalytic activity on tetracycline molecule degradation. J Environ Sci (China) 2023; 125:47-60. [PMID: 36375929 DOI: 10.1016/j.jes.2021.10.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 06/16/2023]
Abstract
Photocatalytic degradation was considered as a best strategy for the removal of antibiotic drug pollutants from wastewater. The photocatalyst of ABC (Ag2CO3/BiOBr/CdS) composite synthesized by hydrothermal and precipitation method. The ABC composite used to investigate the degradation activity of tetracycline (TC) under visible light irradiation. The physicochemical characterization methods (e.g. scanning electron microscopy (SEM), transmission electron microscopy (TEM), high resolution-transmission electron microscopy (HR-TEM), ultraviolet visible spectroscopy (UV), photoluminescence (PL) and time resolved photoluminescence (TRPL) clearly indicate that the composite has been construct successfully that enhances the widened visible light absorption, induces charge transfer and separation efficiency of electron - hole pairs. The photocatalytic activity of all samples was examined through photodegradation of tetracycline in aqueous medium. The photocatalytic degradation rate of ABC catalyst could eliminate 98.79% of TC in 70 min, which is about 1.5 times that of Ag2CO3, 1.28 times that of BiOBr and 1.1 times that of BC catalyst, respectively. The role of operation parameters like, TC concentration, catalyst dosage and initial pH on TC degradation activity were studied. Quenching experiment was demonstrated that ·OH and O2·- were played a key role during the photocatalysis process that was evidently proved in electron paramagnetic resonance (EPR) experiment. In addition, the catalyst showed good activity perceived in reusability and stability test due to the synergistic effect between its components. The mechanism of degradation of TC in ABC composite was proposed based on the detailed analysis. The current study will give an efficient and recyclable photocatalyst for antibiotic aqueous pollutant removal.
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Affiliation(s)
- Kaliyappan Perumal
- Material Research and Development Laboratory, Postgraduate and Research Department of Physics, Pachaiyappa's College, Chennai 600030, India
| | - Shajahan Shanavas
- Nano and Hybrid Materials Laboratory, Department of Physics, Periyar University, Salem 636001, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Annamalai Karthigeyan
- Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Kanchipuram 603203, India
| | - Padmanabhan Murugakoothan
- Material Research and Development Laboratory, Postgraduate and Research Department of Physics, Pachaiyappa's College, Chennai 600030, India.
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Kumar Y, Sudhaik A, Sharma K, Sonu, Raizada P, Aslam Parwaz Khan A, Nguyen VH, Ahamad T, Singh P, Asiri AM. Construction of magnetically separable novel arrow down dual S-scheme ZnIn2S4/BiOCl/FeVO4 heterojunction for improved photocatalytic activity. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Patial S, Soni V, Kumar A, Raizada P, Ahamad T, Pham XM, Le QV, Nguyen VH, Thakur S, Singh P. Rational design, structure properties, and synthesis strategies of dual-pore covalent organic frameworks (COFs) for potent applications: A review. Environ Res 2023; 218:114982. [PMID: 36495966 DOI: 10.1016/j.envres.2022.114982] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/22/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Dual-pore covalent organic frameworks (COFs) offer a molecular scaffold for introducing building blocks into periodically organized polygonal skeletons to produce fascinating structural features. The rapid development of this material has attracted intensive interest from researchers with diverse expertise. This review selects the leading scientific findings about dual-pore COFs and highlights their functions and perspectives on design, structure properties, and synthesis strategies. Dual-pore COFs, as newly hetero-pore COFs by integrating particular pores into one polygonal skeleton, have been compared to conventional COFs. Dual-pore COFs display hierarchical/heterogeneous porosities and homogeneous porosity, which endow them with exceptional features involving mass diffusion, charge transfer, and large surface area with abundant active sites. Additionally, the strategic dual-pore design by opting for different approaches, such as integration of [D2h + C2] symmetries, kagome-type lattices, and other symmetric arrangements of monomers, are inclusively discussed. Identification and construction of dual-pores in COFs via optimal synthetic methods, such as desymmetrization, multiple linking sites, and orthogonal reactions, are highlighted as the primary pore engineering routes to simultaneously regulate the growth and alter the characteristics of COFs for promising applications. Lastly, a focused discussion on various challenges and critical fundamentals of dual-pore engineering is successfully outlined, with potential prospects of introducing dual-pore in COFs.
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Affiliation(s)
- Shilpa Patial
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Vatika Soni
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Abhinandan Kumar
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Xuan Minh Pham
- Faculty of Natural Sciences Teacher Education, Dong Thap University, 783, Pham Huu Lau Street, Ward 6, Cao Lanh City, Dong Thap, Viet Nam
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Van-Huy Nguyen
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India.
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
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Garg H, Patial S, Raizada P, Nguyen VH, Kim SY, Le QV, Ahamad T, Alshehri SM, Hussain CM, Nguyen TTH, Singh P. Hexagonal-borocarbonitride (h-BCN) based heterostructure photocatalyst for energy and environmental applications: A review. Chemosphere 2023; 313:137610. [PMID: 36563726 DOI: 10.1016/j.chemosphere.2022.137610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 12/08/2022] [Accepted: 12/17/2022] [Indexed: 06/17/2023]
Abstract
Formulation of heterojunction with remarkable high efficiency by utilizing solar light is promising to synchronously overcome energy and environmental crises. In this concern, hexagonal-borocarbonitride (h-BCN) based Z-schemes have proved potential candidates due to their spatially separated oxidation and reduction sites, robust light-harvesting ability, high charge pair migration and separation, and strong redox ability. H-BCN has emerged as a hotspot in the research field as a metal-free photocatalyst with a tunable bandgap range of 0-5.5 eV. The BCN photocatalyst displayed synergistic benefits of both graphene and boron nitride. Herein, the review demonstrates the current state-of-the-art in the Z-scheme photocatalytic application with a special emphasis on the predominant features of their photoactivity. Initially, fundamental aspects and various synthesis techniques are discussed, including thermal polymerization, template-assisted, and template-free methods. Afterward, the reaction mechanism of direct Z-scheme photocatalysts and indirect Z-scheme (all-solid-state) are highlighted. Moreover, the emerging Step-scheme (S-scheme) systems are briefly deliberated to understand the charge transfer pathway mechanism with an induced internal electric field. This review critically aims to comprehensively summarize the photo-redox applications of various h-BCN-based heterojunction photocatalysts including CO2 photoreduction, H2 evolution, and pollutants degradation. Finally, some challenges and future direction of h-BCN-based Z-scheme photocatalyst in environmental remediation are also proposed.
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Affiliation(s)
- Heena Garg
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Shilpa Patial
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Van-Huy Nguyen
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India
| | - Soo Young Kim
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Quyet Van Le
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea.
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Saad M Alshehri
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Chaudhery Mustansar Hussain
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, N J, 07102, USA
| | - Thi Thanh Huyen Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environmental Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
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Sudhaik A, Raizada P, Ahamad T, Alshehri SM, Nguyen VH, Van Le Q, Thakur S, Thakur VK, Selvasembian R, Singh P. Recent advances in cellulose supported photocatalysis for pollutant mitigation: A review. Int J Biol Macromol 2023; 226:1284-1308. [PMID: 36574582 DOI: 10.1016/j.ijbiomac.2022.11.241] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 11/20/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
In recent times, green chemistry or "green world" is a new and effective approach for sustainable environmental remediation. Among all biomaterials, cellulose is a vital material in research and green chemistry. Cellulose is the most commonly used natural biopolymer because of its distinctive and exceptional properties such as reproducibility, cost-effectiveness, biocompatibility, biodegradability, and universality. Generally, coupling cellulose with other nanocomposite materials enhances the properties like porosity and specific surface area. The polymer is environment-friendly, bioresorbable, and sustainable which not only justifies the requirements of a good photocatalyst but boosts the adsorption ability and degradation efficiency of the nanocomposite. Hence, knowing the role of cellulose to enhance photocatalytic activity, the present review is focused on the properties of cellulose and its application in antibiotics, textile dyes, phenol and Cr(VI) reduction, and degradation. The work also highlighted the degradation mechanism of cellulose-based photocatalysts, confirming cellulose's role as a support material to act as a sink and electron mediator, suppressing the charge carrier's recombination rate and enhancing the charge migration ability. The review also covers the latest progressions, leanings, and challenges of cellulose biomaterials-based nanocomposites in the photocatalysis field.
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Affiliation(s)
- Anita Sudhaik
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Saad M Alshehri
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Van-Huy Nguyen
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam-603103, Tamil Nadu, India
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Sourbh Thakur
- Silesian University of Technology, Faculty of Chemistry, Department of Inorganic, Analytical Chemistry and Electrochemistry, B. Krzywoustego 6 Str., 44-100 Gliwice, Poland
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Centre, Scotland's Rural College, Edinburgh EH9 3JG, Scotland, UK
| | | | - Pardeep Singh
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, HP 173229, India.
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Sudhaik A, Sonu, Hasija V, Selvasembian R, Ahamad T, Singh A, Khan AAP, Raizada P, Singh P. Applications of graphitic carbon nitride-based S-scheme heterojunctions for environmental remediation and energy conversion. Nanofab 2023. [DOI: 10.37819/nanofab.008.292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The contemporary era's top environmental problems include the lack of energy, recycling of waste resources, and water pollution. Due to the speedy growth of modern industrialization, the utilization of non-renewable sources has increased rapidly, which has caused many serious environmental and energy issues. In photocatalysis, as a proficient candidate, g-C3N4 (metal-free polymeric photocatalyst) has gained much attention due to its auspicious properties and excellent photocatalytic performance. But, regrettably, the quick recombination of photoinduced charge carriers, feeble redox ability, and inadequate visible light absorption are some major drawbacks of g-C3N4 that hamper its photocatalytic ability. Henceforth, these significant limitations can be solved by incorporating modification strategies. Among all modification techniques, the amalgamation of g-C3N4 with two or more photocatalytic semiconducting materials via heterojunction formation is more advantageous. In this review, we have discussed various modification strategies, including conventional, Z-scheme and S-scheme heterojunctions. S-scheme heterojunction is consideredan efficient and profitable charge transferal pathway due to the excellent departure and transferal of photoexcited charge carriers with outstanding redox ability. Consequently, the current review is focused on various photocatalytic applications of S-scheme-based g-C3N4 photocatalysts in pollutant degradation, H2 production, and CO2 reduction.
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Kumar Y, Sharma K, Sudhaik A, Raizada P, Thakur S, Nguyen VH, Van Le Q, Ahamad T, Alshehri SM, Singh P. Fabrication of magnetically retrievable ZnIn2S4/Bi2O2CO3/ZnFe2O4 dual S-scheme heterojunction for superior photocatalytic activity. Appl Nanosci 2023. [DOI: 10.1007/s13204-022-02743-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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32
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Ahmed J, Ahamad T, Alhokbany N, Majeed Khan MA, Arunachalam P, Amer MS, Alotaibi RM, Alshehri SM. Reduced graphene oxide encapsulated perovskite-type lanthanum cobalt oxide nanoparticles for efficient electrolysis of water to oxygen reactions (OER/ORR). J IND ENG CHEM 2023. [DOI: 10.1016/j.jiec.2023.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Ningsih LA, Yoshida M, Sakai A, Andrew Lin KY, Wu KCW, Catherine HN, Ahamad T, Hu C. Ag-modified TiO 2/SiO 2/Fe 3O 4 sphere with core-shell structure for photo-assisted reduction of 4-nitrophenol. Environ Res 2022; 214:113690. [PMID: 35718164 DOI: 10.1016/j.envres.2022.113690] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 06/01/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
Nitrogen-containing contaminants, such as 4-nitrophenol (4-NP), cause detrimental effects when discharged into the environment and thus should be reduced or removed from ecosystems. In this study, an Ag-loaded TiO2-SiO2-Fe3O4 (TSF) with a core-shell structure was employed for the photo-assisted reduction of 4-NP. Fe3O4, SiO2, and TiO2 in the core-shell structure served as a magnetic center, protective layer, and light absorber, respectively. To improve the reduction activity of 4-NP, Ag was loaded onto TSF under stirring, with a variation of the temperature (2-130 °C) and reaction time (1, 2, and 4 h). Under the optimized conditions, 5Ag-TSF (with 5 wt% of Ag) could promote the reduction of aqueous 4-NP solution (2 × 10-4 M, 75 mL) in the presence of NaBH4 (0.1 M, 5 mL) under irradiation by a metal halide lamp, affording over 98% reduction within 5 min and a rate constant of 0.185 min-1, demonstrating its promising activity. Moreover, due to the advantages of the core-shell structure, the magnetic properties of Fe3O4 were sufficient to enable facile recycling of the sample for further reaction; SiO2 could protect the Fe3O4 center from oxidation or reduction; TiO2 enabled Ag accommodation and absorbed light to generate electron-hole pairs. In summary, an Ag-loaded TiO2-SiO2-Fe3O4 sphere with high activity and recyclability for 4-NP reduction was prepared via a facile and simple stirring method, where the sample can be used as a promising material in environmental remediation.
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Affiliation(s)
- Lely Ayu Ningsih
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Daan Dist., Taipei City, 106, Taiwan
| | - Masaaki Yoshida
- Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Ube, Yamaguchi, 755-0097, Japan; Blue Energy Center for SGE Technology (BEST), Yamaguchi University, Ube, Yamaguchi, 755-0097, Japan
| | - Arisu Sakai
- Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Ube, Yamaguchi, 755-0097, Japan
| | - Kun-Yi Andrew Lin
- Department of Environmental Engineering & Innovation and Development Center of Sustainable Agriculture & Research Center of Sustainable Energy and Nanotechnology, National Chung Hsing University, Kuo-Kuang Road, Taichung City, 250, Taiwan
| | - Kevin C W Wu
- Department of Chemical Engineering, National Taiwan University, Daan Dist, Taipei City, 106, Taiwan.
| | - Hepsiba Niruba Catherine
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Daan Dist., Taipei City, 106, Taiwan
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Chechia Hu
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Daan Dist., Taipei City, 106, Taiwan; R&D Center for Membrane Technology, Chung Yuan Christian University, Chungli Dist., Taoyuan City, 320, Taiwan.
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Sharma S, Kumar R, Raizada P, Ahamad T, Alshehri SM, Nguyen VH, Thakur S, Nguyen CC, Kim SY, Le QV, Singh P. An overview on recent progress in photocatalytic air purification: Metal-based and metal-free photocatalysis. Environ Res 2022; 214:113995. [PMID: 35932830 DOI: 10.1016/j.envres.2022.113995] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/29/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
Air pollution is becoming a distinctly growing concern and the most pressing universal problem as a result of increased energy consumption, with the multiplication of the human population and industrial enterprises, resulting in the generation of hazardous pollutants. Among these, carbon monoxide, nitrogen oxides, Volatile organic compounds, Semi volatile organic compounds, and other inorganic gases not only have an adverse impact on human health both outdoors and indoors, but have also substantially altered the global climate, resulting in several calamities around the world. Thus, the purification of air is a crucial matter to deal with. Photocatalytic oxidation is one of the most recent and promising technologies, and it has been the subject of numerous studies over the past two decades. Hence, the photocatalyst is the most reassuring aspirant due to its adequate bandgap and exquisite stability. The process of photocatalysis has provided many benefits to the atmosphere by removing pollutants. In this review, our work focuses on four main themes. Firstly, we briefly elaborated on the general mechanism of air pollutant degradation, followed by an overview of the typical TiO2 photocatalyst, which is the most researched photocatalyst for photocatalytic destruction of gaseous VOCs. The influence of operating parameters influencing the process of photocatalytic oxidation (such as mass transfer, light source and intensity, pollutant concentration, and relative humidity) was then summarized. Afterwards, the progress and drawbacks of some typical photoreactors (including monolithic reactors, microreactors, optical fiber reactors, and packed bed reactors) were described and differentiated. Lastly, the most noteworthy coverage is dedicated to different types of modification strategies aimed at ameliorating the performance of photocatalysts for degradation of air pollutants, which were proposed and addressed. In addition, the review winds up with a brief deliberation for more exploration into air purification photocatalysis.
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Affiliation(s)
- Sarika Sharma
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan (HP), 173229, India
| | - Rohit Kumar
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan (HP), 173229, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan (HP), 173229, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Saad M Alshehri
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram district-603103, Tamil Nadu, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland
| | - Chinh Chien Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environmental Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam
| | - Soo Young Kim
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, Republic of Korea.
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan (HP), 173229, India.
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Yang X, Nguyen XC, Tran QB, Huyen Nguyen TT, Ge S, Nguyen DD, Nguyen VT, Le PC, Rene ER, Singh P, Raizada P, Ahamad T, Alshehri SM, Xia C, Kim SY, Le QV. Machine learning-assisted evaluation of potential biochars for pharmaceutical removal from water. Environ Res 2022; 214:113953. [PMID: 35934147 DOI: 10.1016/j.envres.2022.113953] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 06/01/2022] [Accepted: 07/19/2022] [Indexed: 05/27/2023]
Abstract
A popular approach to select optimal adsorbents is to perform parallel experiments on adsorbents based on an initially decided goal such as specified product purity, efficiency, or binding capacity. To screen optimal adsorbents, we focused on the max adsorption capacity of the candidates at equilibrium in this work because the adsorption capacity of each adsorbent is strongly dependent on certain conditions. A data-driven machine learning tool for predicting the max adsorption capacity (Qm) of 19 pharmaceutical compounds on 88 biochars was developed. The range of values of Qm (mean 48.29 mg/g) was remarkably large, with a high number of outliers and large variability. Modified biochars enhanced the Qm and surface area values compared with the original biochar, with a statistically significant difference (Chi-square value = 7.21-18.25, P < 0.005). K- nearest neighbors (KNN) was found to be the most optimal algorithm with a root mean square error (RMSE) of 23.48 followed by random forest and Cubist with RMSE of 26.91 and 29.56, respectively, whereas linear regression and regularization were the worst algorithms. KNN model achieved R2 of 0.92 and RMSE of 16.62 for the testing data. A web app was developed to facilitate the use of the KNN model, providing a reliable solution for saving time and money in unnecessary lab-scale adsorption experiments while selecting appropriate biochars for pharmaceutical adsorption.
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Affiliation(s)
- Xiaocui Yang
- Engineering Training Center, Nanjing Vocational University of Industry Technology, Nanjing, Jiangsu, 210023, China
| | - X Cuong Nguyen
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam; Faculty of Environmental Chemical Engineering, Duy Tan University, Da Nang, 550000, Vietnam.
| | - Quoc B Tran
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam; Faculty of Environmental Chemical Engineering, Duy Tan University, Da Nang, 550000, Vietnam
| | - T T Huyen Nguyen
- Faculty of Environment, The University of Danang-University of Science and Technology, Da Nang, 550000, Vietnam
| | - Shengbo Ge
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - D Duc Nguyen
- Department of Environmental Energy Engineering, Kyonggi University, Suwon, 442-760, Republic of Korea
| | - Van-Truc Nguyen
- Department of Environmental Sciences, Saigon University, Ho Chi Minh City, 700000, Vietnam
| | - Phuoc-Cuong Le
- Faculty of Environment, The University of Danang-University of Science and Technology, Da Nang, 550000, Vietnam
| | - Eldon R Rene
- Department of Environmental Engineering and Water Technology, IHE Delft Institute for Water Education, PO Box 3015, 2601 DA, Delft, the Netherlands
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saad M Alshehri
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China.
| | - Soo Young Kim
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, Seoul, 02841, Republic of Korea.
| | - Quyet Van Le
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, Seoul, 02841, Republic of Korea.
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Shibu MC, Benoy MD, Shanavas S, Duraimurugan J, Suresh Kumar G, Abu Haija M, Maadeswaran P, Ahamad T, Van Le Q, Alshehri SM. Synthesis and characterization of SnO 2/rGO nanocomposite for an efficient photocatalytic degradation of pharmaceutical pollutant: Kinetics, mechanism and recyclability. Chemosphere 2022; 307:136105. [PMID: 35988770 DOI: 10.1016/j.chemosphere.2022.136105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/02/2022] [Accepted: 08/15/2022] [Indexed: 06/15/2023]
Abstract
The SnO2 and SnO2/rGO nanostructures were successfully synthesized using the facile hydrothermal synthesis technique. The prepared nanostructures were well studied using different techniques such as XRD, XPS, UV-DRS, FT-IR, EDX, SEM and HR-TEM analysis. The crystalline nature of SnO2 and SnO2/rGO was confirmed by the XRD technique. The formation of highly pure SnO2 and SnO2/rGO nanostructures was confirmed by EDX analysis. The morphological results show the good agglomeration of several spherical nanoparticles. The optical properties were studied through the UV-DRS technique and the bandgap energies of SnO2 and SnO2/rGO are estimated to be 3.12 eV and 2.71 eV, respectively. The photocatalytic degradation percentage in presence of SnO2 and SnO2/rGO against RhB was found to be 96% and 98%, respectively. The degradation of TTC molecules was estimated as 90% and 88% with SnO2/rGO and SnO2, respectively. The degradation of both RhB and TTC molecules was well suited with the pseudo-first-order kinetics. The results of successive experiments clearly show the enhancement in the photocatalytic properties in the SnO2/rGO nanostructures.
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Affiliation(s)
- M C Shibu
- Research and Development Centre, Bharathiar University, Coimbatore, 641 046, Tamil Nadu, India
| | - M D Benoy
- Postgraduate & Research Department of Physics, Mar Athanasius College (Autonomous), Kothamangalam, 686 666, Kerala, India.
| | - S Shanavas
- Department of Chemistry, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
| | - J Duraimurugan
- Department of Physics, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode, 637 215, Tamil Nadu, India
| | - G Suresh Kumar
- Department of Physics, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode, 637 215, Tamil Nadu, India
| | - Mohammad Abu Haija
- Department of Chemistry, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - P Maadeswaran
- Department of Energy Science and Technology, Periyar University, Salem, 636 011, Tamil Nadu, India
| | - T Ahamad
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Quyet Van Le
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, South Korea
| | - S M Alshehri
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
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Soni V, Paital S, Raizada P, Ahamad T, Khan AAP, Thakur S, Singh P, Hussain CM, Sharma S, Nadda AK. Surveillance of omicron variants through wastewater epidemiology: Latest developments in environmental monitoring of pandemic. Sci Total Environ 2022; 843:156724. [PMID: 35716753 PMCID: PMC9197784 DOI: 10.1016/j.scitotenv.2022.156724] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/09/2022] [Accepted: 06/12/2022] [Indexed: 06/15/2023]
Abstract
WBE has been a monitoring system that can give purposeful and inclusive real-time assessments of civic society as well as environmental health. This concept review introduces WBE as a surveillance scheme and initial warning outbreaks of contagious diseases caused by harmful SARS-CoV-2 with pandemic potential. Examining biomarkers of contagious diseases as evidence in polluted water taken from wastewater treatment plants suggests that these systems can be examined to get epidemiological data for checking the transmission of infectious B.1.1.529 to different areas. Thereafter, various benefits of surveillance are provided to analyse health information and pinpoint different problems that may be occurring in the workstation. Surveillance is followed by intervention steps that improved the work environment and prevent further progression of the disease. This information will help to improve early detection strategies, designing a prevention strategy to reduce their spread, infection control and therapies, thus, strengthening our global preparedness to fight future epidemics. In the end, a comprehensive discussion on the remaining challenges and opportunities for epidemiology has been given for future research perspectives.
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Affiliation(s)
- Vatika Soni
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh 173212, India
| | - Shilpa Paital
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh 173212, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh 173212, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia.
| | - Aftab Aslam Parwaz Khan
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland.
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh 173212, India.
| | - Chaudhery Mustansar Hussain
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ 07102, USA.
| | - Swati Sharma
- University Institute of Biotechnology, Chandigarh University, Chandigarh-Ludhiana Highway, Mohali, Punjab, India
| | - Ashok Kumar Nadda
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan 173234, Himachal Pradesh, India
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Ahamad T, Alshehri SM. Fabrication of Ag@SrTiO3/g-C3N4 heterojunctions for H2 production and the degradation of pesticides under visible light. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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39
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Naushad M, Ahamad T, Rizwan Khan M. Remediation of wastewater containing 4-nitrophenol using ionic liquid stabilized nanoparticles: Synthesis, characterizations and applications. Chemosphere 2022; 303:135173. [PMID: 35654236 DOI: 10.1016/j.chemosphere.2022.135173] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/16/2022] [Accepted: 05/27/2022] [Indexed: 06/15/2023]
Abstract
In the present study, an ionic liquid (IL) based on 1-butyl-3- (trimethoxysilylpropyl) -imidazolium tetrafluoroborate (IL) was prepared using metathesis and anion exchange reactions and used to stabilize silver (AgNPs) nanoparticles. The IL-stabilized silver nanoparticles AgNPs@[BMSI]BF4 were produced in an aqueous solution with NaBH4 as a reducing agent. TGA, FTIR, XRD, BET, FSEM, TEM/HRTEM, XPS, and UV-Vis spectra were used to analyze AgNPs@[BMSI]BF4 and were used for the catalytic reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) in the presence of NaBH4. AgNPs@[BMSI]BF4 showed excellent catalytic properties for the reduction of 4-NP to 4-AP and showed 100% conversion of 4-NP to 4-AP within 6 min and the rate constant (k) was found to be 8.33 × 10-3 s-1. The reusability results indicated that 97.8% of 4-NP was converted to 4-AP with highly stable rate constants over six consecutive cycles. The activity factor (AF) and the turn-over frequency (TOF) at room temperature were 3.33 s-1 gm-1 and 0.166 s-1, respectively. This study extends a new approach to the production of stable catalysts for the growing needs in wastewater treatment.
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Affiliation(s)
- Mu Naushad
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
| | - Mohammad Rizwan Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
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Chawla A, Sudhaik A, Raizada P, Khan AAP, Singh A, Van Le Q, Van Huy Nguyen, Ahamad T, Alsheri SM, Asiri AM, Singh P. An overview of SnO2 based Z scheme heterojuctions: Fabrication, mechanism and advanced photocatalytic applications. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.09.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Shibu MC, Benoy MD, Shanavas S, Haija MA, Duraimurugan J, Kumar GS, Ahamad T, Maadeswaran P, Van Le Q. White LED active α-Fe 2O 3/rGO photocatalytic nanocomposite for an effective degradation of tetracycline and ibuprofen molecules. Environ Res 2022; 212:113301. [PMID: 35483412 DOI: 10.1016/j.envres.2022.113301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/31/2022] [Accepted: 04/09/2022] [Indexed: 05/27/2023]
Abstract
The formation of phase pure magnetically separable α-Fe2O3 and α-Fe2O3/rGO nanostructures were achieved through a simple hydrothermal technique. The properties of synthesized materials were investigated through different analytical techniques. The formation of phase pure FO and FO/rGO nanostructures were confirmed by XRD analysis with crystallite size of about ∼42 nm and ∼65 nm, respectively. The morphological analysis reveals the formation of sphere-like nanoparticles with high agglomeration. The UV-DRS analysis clearly shows the enhanced visible-light activity of FO/rGO nanoparticles. The BET analysis revealed the mesoporous property of FO/rGO nanocomposite. The enhancement in the photoinduced charge transfer process is observed after including rGO nanoparticles with FO. The photocatalytic efficiency of nanomaterials was analyzed using tetracycline and ibuprofen as model organic pollutants under white LED irradiation. The enhanced photocatalytic degradation ability of FO/rGO nanocomposite is studied against both tetracycline and ibuprofen molecules.
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Affiliation(s)
- M C Shibu
- Research and Development Centre, Bharathiar University, Coimbatore, 46, Tamil Nadu, India.
| | - M D Benoy
- Postgraduate & Research Department of Physics, Mar Athanasius College (Autonomous), Kothamangalam, Kerala, India
| | - S Shanavas
- Department of Chemistry, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
| | - Mohammad Abu Haija
- Department of Chemistry, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Center for Catalysis and Separations, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - J Duraimurugan
- Department of Energy Science and Technology, Periyar University, Salem, 636 011, Tamil Nadu, India
| | - G Suresh Kumar
- Department of Physics, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode, 637 215, Tamil Nadu, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - P Maadeswaran
- Department of Energy Science and Technology, Periyar University, Salem, 636 011, Tamil Nadu, India
| | - Quyet Van Le
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, South Korea
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Hasija V, Raizada P, Thakur VK, Ahamad T, Alshehri SM, Thakur S, Nguyen VH, Van Le Q, Singh P. An overview on photocatalytic sulfate radical formation via doped graphitic carbon nitride for water remediation. Curr Opin Chem Eng 2022. [DOI: 10.1016/j.coche.2022.100841] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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43
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Hasija V, Patial S, Kumar A, Singh P, Ahamad T, Khan AAP, Raizada P, Hussain CM. Environmental impact of COVID-19 Vaccine waste: A perspective on potential role of natural and biodegradable materials. J Environ Chem Eng 2022; 10:107894. [PMID: 35578627 PMCID: PMC9093085 DOI: 10.1016/j.jece.2022.107894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/01/2022] [Accepted: 05/09/2022] [Indexed: 05/29/2023]
Abstract
The mass immunization is the prioritised post-pandemic phase offering preventive countermeasure for COVID-19 pandemic. However, it is crucial to tackle the environmental impact of COVID-19 vaccine waste for sustainable vaccination management because a prolonged immunisation campaign is expected. As the pace of vaccine production, distribution and mass vaccination has been expedited, there is a simultaneous rise in plastic derived vaccine waste including syringes, needles, used/unused vaccine vials, vaccine packaging, and protective gear (surgical facemasks, gloves, face shields, etc). Henceforth, in view of the repercussions of heaping plastic waste in the environment, this article provides a perspective on the usage of synthetic and natural materials as potential substituents for vaccination tools. The biodegradable polymeric gums such as cellulose, gellan, pectin, etc. have been successfully applied for the fabrication of surgical facemasks. The highly suggestive practice is replacement of conventional polypropylene based plastics with bioplastics or paper for vaccine packaging. The usage of biodegradable bio-plastics as packaging material along with environmentally friendly face masks can help to achieve the zero waste approach. The discussion in the article significantly highlights the necessity of opting sustainable solutions of disinfecting and substituting vaccination tools for an environment friendly ongoing vaccination campaign.
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Affiliation(s)
- Vasudha Hasija
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh 173229, India
| | - Shilpa Patial
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh 173229, India
| | - Abhinandan Kumar
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh 173229, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh 173229, India
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Aftab Aslam Parwaz Khan
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
- Chemistry Department, Faculty of Science, King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh 173229, India
| | - Chaudhery Mustansar Hussain
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, N.J 07102, USA
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Al-Maswari BM, Al-Zaqri N, Ahmed J, Ahamad T, Boshaala A, Ananda S, Venkatesha B. Nanomagnetic strontium ferrite nitrogen doped carbon (SrFe2O4-NC): Synthesis, characterization and excellent supercapacitor performance. Journal of Energy Storage 2022; 52:104821. [DOI: 10.1016/j.est.2022.104821] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
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45
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Sheikh SY, Hassan F, Khan MF, Ahamad T, Ansari WA, Akhter Y, Khafagy ES, Khan AR, Nasibullah M. Drug Repurposing to Discover Novel Anti-Inflammatory Agents Inhibiting JAK3/STAT Signaling. Russ J Bioorg Chem 2022. [DOI: 10.1134/s106816202205020x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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46
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Ahamad T. CoSe2@N-Doped Graphene Nanocomposite High-Efficiency Counter Electrode for Dye-Sensitized Solar Cells. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02356-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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47
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Poonia K, Raizada P, Singh A, Verma N, Ahamad T, Alshehri SM, Khan AAP, Singh P, Hussain CM. Magnetic molecularly imprinted polymer photocatalysts: synthesis, applications and future perspective. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.05.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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48
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Le TH, Thi Tran TV, Tran VK, Vu Ho XA, Tran TM, Chau Nguyen DG, Chuong Nguyen TH, Varma RS, Trinh TK, Ho TT, Hac Nguyen TB, Ahamad T, Nguyen CC, Le QV. Structural Characterization of Mannoglucan Isolated from Ophiocordyceps sobolifera and Its Antioxidant Activities. ACS Omega 2022; 7:9397-9405. [PMID: 35350314 PMCID: PMC8945084 DOI: 10.1021/acsomega.1c06651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
A novel polysaccharide structure (PS-T80) was collected from Ophiocordyceps sobolifera biomass and characterized via a combination of chemical and spectral analyses. Employing high-performance gel permeation chromatography (HPGPC), the average molecular weight is proven to be 7.4 × 104 Da. Furthermore, a sugar composition analysis of the obtained polysaccharide suggests two main sugars, β-d-glucose and α-d-mannose, at a molar ratio of 2:1, respectively, in the backbone. The structure analysis unveils that PS-T80 is a mannoglucan, possessing the repeating unit of [→3)-β-d-Glcp-(1 → 3)-α-d-Manp-(1 → 3)-β-d-Glcp-(1→] n . Such a configuration could be considered a novel polysaccharide. Impressively, in vitro antioxidant tests revealed that PS-T80 has a promising antioxidant activity. These results demonstrate that the obtained PS is a potential bioactive material for biomedical applications.
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Affiliation(s)
- Trung Hieu Le
- Faculty
of Chemistry, Hue University of Sciences,
Hue University, Thua Thien
Hue 530000, Vietnam
| | - Thi Van Thi Tran
- Faculty
of Chemistry, Hue University of Sciences,
Hue University, Thua Thien
Hue 530000, Vietnam
| | - Van Khoa Tran
- Faculty
of Chemistry, Hue University of Sciences,
Hue University, Thua Thien
Hue 530000, Vietnam
| | - Xuan Anh Vu Ho
- Faculty
of Chemistry, Hue University of Sciences,
Hue University, Thua Thien
Hue 530000, Vietnam
| | - Thanh Minh Tran
- Faculty
of Chemistry, Hue University of Sciences,
Hue University, Thua Thien
Hue 530000, Vietnam
| | - Dang Giang Chau Nguyen
- Faculty
of Chemistry, Hue University of Sciences,
Hue University, Thua Thien
Hue 530000, Vietnam
| | - Thi Hong Chuong Nguyen
- Institute
of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
- Faculty
of Environmental and Chemical Engineering, Duy Tan University, Da Nang 550000, Vietnam
| | - Rajender S. Varma
- Regional
Centre of Advanced Technologies and Materials, Palacký University in Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
| | - Tam Kiet Trinh
- Institute
of Microbiology and Biotechnologv, Hanoi
National University, Hanoi 100000, Vietnam
| | - Thanh-Tam Ho
- Institute
for Global Health Innovations, Duy Tan University, Da Nang 550000, Vietnam
- Faculty of Pharmacy, Duy Tan University, Da Nang 550000, Vietnam
| | | | - Tansir Ahamad
- Department
of Chemistry, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
| | - Chinh Chien Nguyen
- Institute
of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
- Faculty
of Environmental and Chemical Engineering, Duy Tan University, Da Nang 550000, Vietnam
| | - Quyet Van Le
- Department
of Materials Science and Engineering, Institute of Green Manufacturing
Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic
of Korea
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49
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Mohamed MG, Mansoure TH, Samy MM, Takashi Y, Mohammed AAK, Ahamad T, Alshehri SM, Kim J, Matsagar BM, Wu KCW, Kuo SW. Ultrastable Conjugated Microporous Polymers Containing Benzobisthiadiazole and Pyrene Building Blocks for Energy Storage Applications. Molecules 2022; 27:molecules27062025. [PMID: 35335388 PMCID: PMC8952824 DOI: 10.3390/molecules27062025] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 11/16/2022] Open
Abstract
In recent years, conjugated microporous polymers (CMPs) have become important precursors for environmental and energy applications, compared with inorganic electrode materials, due to their ease of preparation, facile charge storage process, π-conjugated structures, relatively high thermal and chemical stability, abundance in nature, and high surface areas. Therefore, in this study, we designed and prepared new benzobisthiadiazole (BBT)-linked CMPs (BBT-CMPs) using a simple Sonogashira couplings reaction by reaction of 4,8-dibromobenzo(1,2-c;4,5-c')bis(1,2,5)thiadiazole (BBT-Br2) with ethynyl derivatives of triphenylamine (TPA-T), pyrene (Py-T), and tetraphenylethene (TPE-T), respectively, to afford TPA-BBT-CMP, Py-BBT-CMP, and TPE-BBT-CMP. The chemical structure and properties of BBT-CMPs such as surface areas, pore size, surface morphologies, and thermal stability using different measurements were discussed in detail. Among the studied BBT-CMPs, we revealed that TPE-BBT-CMP displayed high degradation temperature, up to 340 °C, with high char yield and regular, aggregated sphere based on thermogravimetric analysis (TGA) and scanning electron microscopy (SEM), respectively. Furthermore, the Py-BBT-CMP as organic electrode showed an outstanding specific capacitance of 228 F g-1 and superior capacitance stability of 93.2% (over 2000 cycles). Based on theoretical results, an important role of BBT-CMPs, due to their electronic structure, was revealed to be enhancing the charge storage. Furthermore, all three CMP polymers featured a high conjugation system, leading to improved electron conduction and small bandgaps.
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Affiliation(s)
- Mohamed Gamal Mohamed
- Center of Crystal Research, Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung 80424, Taiwan; (M.G.M.); (M.M.S.); (Y.T.)
- Department of Chemistry, Faculty of Science, Assiut University, Assiut 71516, Egypt; (T.H.M.); (A.A.K.M.)
| | - Tharwat Hassan Mansoure
- Department of Chemistry, Faculty of Science, Assiut University, Assiut 71516, Egypt; (T.H.M.); (A.A.K.M.)
| | - Maha Mohamed Samy
- Center of Crystal Research, Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung 80424, Taiwan; (M.G.M.); (M.M.S.); (Y.T.)
- Department of Chemistry, Faculty of Science, Assiut University, Assiut 71516, Egypt; (T.H.M.); (A.A.K.M.)
| | - Yasuno Takashi
- Center of Crystal Research, Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung 80424, Taiwan; (M.G.M.); (M.M.S.); (Y.T.)
| | - Ahmed A. K. Mohammed
- Department of Chemistry, Faculty of Science, Assiut University, Assiut 71516, Egypt; (T.H.M.); (A.A.K.M.)
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11362, Saudi Arabia; (T.A.); (S.M.A.)
| | - Saad M. Alshehri
- Department of Chemistry, College of Science, King Saud University, Riyadh 11362, Saudi Arabia; (T.A.); (S.M.A.)
| | - Jeonghun Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea;
| | - Babasaheb M. Matsagar
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan;
| | - Kevin C.-W. Wu
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan;
- Correspondence: (K.C.-W.W.); (S.-W.K.)
| | - Shiao-Wei Kuo
- Center of Crystal Research, Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung 80424, Taiwan; (M.G.M.); (M.M.S.); (Y.T.)
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80424, Taiwan
- Correspondence: (K.C.-W.W.); (S.-W.K.)
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Ahmed J, Alhokbany N, Ahamad T, Alshehri SM. Investigation of enhanced electro-catalytic HER/OER performances of copper tungsten oxide@reduced graphene oxide nanocomposites in alkaline and acidic media. NEW J CHEM 2022. [DOI: 10.1039/d1nj04617a] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this paper, we investigate the electro-catalytic hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) of synthesized copper tungsten oxide@reduced graphene oxide (CuWO4@rGO) nanocomposites.
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Affiliation(s)
- Jahangeer Ahmed
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Norah Alhokbany
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saad M. Alshehri
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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