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Muthukumaran MK, Govindaraj M, Raja BK, J AS. Crystal plane-integrated strontium oxide/hexagonal boron nitride nanohybrids for rapid electrochemical sensing of anticancer drugs in human blood serum samples. Anal Methods 2023; 15:5639-5654. [PMID: 37855090 DOI: 10.1039/d3ay01493b] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
In this work, the crystal plane of strontium oxide (SrO) nanorods was integrated into hexagonal-boron nitride (h-BN) nanosheets to form 1D-2D (SrO/h-BN) composite were utilized for the electrochemical detection of the chemotherapeutic drug 5-fluorouracil (5-Fu). 5-Fu is a clinically proven and the third most frequently applied chemotherapeutic drug for treating solid tumours, such as colorectal, stomach, cutaneous and breast malignancies. Its overdoses lead to toxic metabolite accumulation that has serious adverse consequences on humans, including neurotoxicity, death and the induction of morbidity. Therefore, to improve the chemotherapy and predict the potential adverse effects of 5-Fu residues in the human body, susceptible and quick analytical methods for detecting 5-Fu in human body fluids (blood serum/plasma and urine) are needed. The effective interaction of the synthesized SrO/h-BN composite shows increased efficiency for the electrochemical detection of 5-Fu with good selectivity. Notably, a simple sonochemical method achieved a synergistic interaction between the (100) plane of SrO and the (002) plane of h-BN. Various analytical and spectroscopic techniques were used to characterize the SrO/h-BN nanocomposite, which provided useful insights into the composition and properties of the composite material. The crystalline, structural and chemical characteristics of the as-synthesized material were characterized by XRD, Raman spectroscopy, HR-TEM, XPS and HR-SEM. Furthermore, the proposed electrode's electrochemical sensing capability was analysed using CV, EIS, DPV and i-t curve methods. Numerous active sites created on a modified electrode enhanced the mass transport and electron transfer rate, thereby increasing the electrochemical activity towards the 5-Fu detection. Consequently, under optimized conditions, the SrO/h-BN/GCE exhibited remarkable selectivity, durability, low detection limit (0.003 μM) and wide linear range (0.02-56 μM) for 5-Fu. Finally, the successful application of this sensor for 5-Fu detection in biological samples was successfully tested with high recovery percentages.
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Affiliation(s)
- Magesh Kumar Muthukumaran
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur-603203, Tamil Nadu, India.
| | - Muthukumar Govindaraj
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur-603203, Tamil Nadu, India.
| | - Bharathi Kannan Raja
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur-603203, Tamil Nadu, India.
| | - Arockia Selvi J
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur-603203, Tamil Nadu, India.
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Anandhakumari G, Jayabal P, Balasankar A, Ramasundaram S, Oh TH, Aruchamy K, Kallem P, Polisetti V. Synthesis of strontium oxide-zinc oxide nanocomposites by Co-precipitation method and its application for degradation of malachite green dye under direct sunlight. Heliyon 2023; 9:e20824. [PMID: 37867874 PMCID: PMC10585331 DOI: 10.1016/j.heliyon.2023.e20824] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 09/30/2023] [Accepted: 10/08/2023] [Indexed: 10/24/2023] Open
Abstract
Photocatalysts workable under direct sunlight are the safe and cost-effective option for water purification. The nanocomposites of strontium oxide and zinc oxide (SZ NCs) were synthesized using coprecipitation method. The respective precursors of SZ NCs were subjected to alkaline hydrolysis and subsequently thermally treated to yield SZ NCs. The SZ NCs with different ZnO composition was synthesized by varying the concentration of ZnO precursor from 0.2 to 1 M. The structural properties of SZ NCs evaluated using X-Ray diffraction (XRD), Thermogravimetric analysis (TGA), and Differential thermal analysis DTA). The optical properties of SZ NCs studied using ultraviolet-visible (UV-Vis) spectroscopic study. The trend observed in the intensity of XRD peaks indicated the occurrence of Zn doping in the crystalline lattice of SrO and the formation of SrO-ZnO composite. Upon incorporation of 1 M of ZnO precursor, the grain size of the SrO was decreased from 49.3 to 27.6 nm. The weight loss in the thermal analysis indicates the removal of carbonates from the sample upon heating and shows the formation of an oxide structure. UV-Vis spectra confirmed that the presence of SrO enhanced the sunlight absorption of SZ NCs. The increase in the composition of ZnO precursors increased the bandgap of SrO (2.09 eV) to the level of ZnO (3.14 eV). SZ NCs exhibited heterostructure morphology, where the nanosized domains with varying shapes (layered and rod-like) were observed. Under direct sunlight conditions, SZ NCs prepared using 1 M/0.6 M of SrO/ZnO precursors exhibited 15-20 % higher photocatalytic efficiency than neat SrO and ZnO. In precise, 1 mg of this SZ NC was degraded 98 % of malachite green dye dissolved in water (10 ppm) under direct sunlight. Additionally, the thermal stability results showed that 18 % decomposition was obtained due to the degradation impurities in SrO/ZnO catalysts and the XRD results revealed that no structural change is obtained in SrO/ZnO photocatalysts after stability test. The SZ NCs can be effectively used as safe and economic sunlight photocatalysts for water purification in remote areas without the electricity.
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Affiliation(s)
- Govindharaj Anandhakumari
- Department of Physics, Gobi Arts & Science College, Gobichettipalayam, Erode, Tamilnadu-638 453, India
| | - Palanisamy Jayabal
- Department of Physics, Gobi Arts & Science College, Gobichettipalayam, Erode, Tamilnadu-638 453, India
| | - Athinarayanan Balasankar
- Department of Physics, Gobi Arts & Science College, Gobichettipalayam, Erode, Tamilnadu-638 453, India
| | | | - Tae Hwan Oh
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, South Korea
| | - Kanakaraj Aruchamy
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, South Korea
| | - Parashuram Kallem
- Department of Environmental and Public Health, College of Health Sciences, Abu Dhabi University, Abu Dhabi, P.O. Box 59911, United Arab Emirates
| | - Veerababu Polisetti
- Wallenberg Wood Science Center, Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SE−100 44 Stockholm, Sweden
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Luan J, Niu B, Ma B, Yang G, Liu W. Preparation and Property Characterization of In 2YSbO 7/BiSnSbO 6 Heterojunction Photocatalyst toward Photocatalytic Degradation of Indigo Carmine within Dye Wastewater under Visible-Light Irradiation. Materials (Basel) 2022; 15:6648. [PMID: 36233988 PMCID: PMC9571768 DOI: 10.3390/ma15196648] [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: 08/25/2022] [Revised: 09/07/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
In2YSbO7 and In2YSbO7/BiSnSbO6 heterojunction photocatalyst were prepared by a solvothermal method for the first time. The structural characteristics of In2YSbO7 had been represented. The outcomes showed that In2YSbO7 crystallized well and possessed pyrochlore constitution, a stable cubic crystal system and space group Fd3m. The lattice parameter of In2YSbO7 was discovered to be a = 11.102698 Å and the band gap energy of In2YSbO7 was discovered to be 2.68 eV, separately. After visible-light irradiation of 120 minutes (VLGI-120M), the removal rate (ROR) of indigo carmine (IC) reached 99.42% with In2YSbO7/BiSnSbO6 heterojunction (IBH) as a photocatalyst. The ROR of total organic carbon (TOC) reached 93.10% with IBH as a photocatalyst after VLGI-120M. Additionally, the dynamics constant k which was taken from the dynamic curve toward (DCT) IC density and VLGI time with IBH as a catalyst reached 0.02950 min-1. The dynamics constant k which came from the DCT TOC density and VLGI time with IBH as a photocatalyst reached 0.01783 min-1. The photocatalytic degradation of IC in dye wastewater (DW) with IBH as a photocatalyst under VLGI was in accordance with the first-order kinetic curves. IBH was used to degrade IC in DW for three cycles of experiments under VLGI, and the ROR of IC reached 98.74%, 96.89% and 94.88%, respectively, after VLGI-120M, indicating that IBH had high stability. Compared with superoxide anions or holes, hydroxyl radicals possessed the largest oxidative ability for removing IC in DW, as demonstrated by experiments with the addition of trapping agents. Lastly, the probable degradation mechanism and degradation pathway of IC were revealed in detail. The results showed that a visible-light-responsive heterojunction photocatalyst which possessed high catalytic activity and a photocatalytic reaction system which could effectively remove IC in DW were obtained. This work provided a fresh scientific research idea for improving the performance of a single catalyst.
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Affiliation(s)
- Jingfei Luan
- School of Physics, Changchun Normal University, Changchun 130032, China
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210093, China
| | - Bowen Niu
- School of Physics, Changchun Normal University, Changchun 130032, China
| | - Bingbing Ma
- School of Physics, Changchun Normal University, Changchun 130032, China
| | - Guangmin Yang
- School of Physics, Changchun Normal University, Changchun 130032, China
| | - Wenlu Liu
- School of Physics, Changchun Normal University, Changchun 130032, China
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Foroutan R, Peighambardoust SJ, Boffito DC, Ramavandi B. Sono-Photocatalytic Activity of Cloisite 30B/ZnO/Ag 2O Nanocomposite for the Simultaneous Degradation of Crystal Violet and Methylene Blue Dyes in Aqueous Media. Nanomaterials (Basel) 2022; 12:nano12183103. [PMID: 36144892 PMCID: PMC9501628 DOI: 10.3390/nano12183103] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/03/2022] [Accepted: 09/05/2022] [Indexed: 05/02/2023]
Abstract
A new nanocomposite based on Cloisite 30B clay modified with ZnO and Ag2O nanoparticles (Cloisite 30B/ZnO/Ag2O) was synthesized as an effective catalyst in the sono-photocatalytic process of crystal violet (CV) and methylene blue (MB) dyes simultaneously. The characteristics and catalytic activity of Cloisite 30B/ZnO/Ag2O nanocomposite were investigated under different conditions. The specific active surface for Cloisite 30B/ZnO/Ag2O nanocomposite was 18.29 m2/g. Additionally, the catalytic activity showed that Cloisite 30B/ZnO/Ag2O nanocomposite (CV: 99.21%, MB: 98.43%) compared to Cloisite 30B/Ag2O (CV: 85.38%, MB: 83.62%) and Ag2O (CV: 68.21%, MB: 66.41%) has more catalytic activity. The catalytic activity of Cloisite 30B/ZnO/Ag2O using the sono-photocatalytic process had the maximum efficiency (CV: 99.21%, MB: 98.43%) at pH 8, time of 50 min, amount of 40 mM H2O2, catalyst dose of 0.5 g/L, and the concentration of 'CV + MB' of 5 mg/L. The catalyst can be reused in the sono-photocatalytic process for up to six steps. According to the results, •OH and h+ were effective in the degradation of the desired dyes using the desired method. Data followed the pseudo-first-order kinetic model. The method used in this research is an efficient and promising method to remove dyes from wastewater.
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Affiliation(s)
- Rauf Foroutan
- Faculty of Chemical and Petroleum Engineering, University of Tabriz, Tabriz 5166616471, Iran
| | - Seyed Jamaleddin Peighambardoust
- Faculty of Chemical and Petroleum Engineering, University of Tabriz, Tabriz 5166616471, Iran
- Correspondence: (S.J.P.); (D.C.B.); (B.R.)
| | - Daria Camilla Boffito
- Department of Chemical Engineering, Polytechnique Monteral, Monteral, QC H3C 3A7, Canada
- Correspondence: (S.J.P.); (D.C.B.); (B.R.)
| | - Bahman Ramavandi
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr 7514633341, Iran
- Correspondence: (S.J.P.); (D.C.B.); (B.R.)
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Liang X, Dai R, Chang S, Wei Y, Bin Zhang. Antibacterial mechanism of biogenic calcium oxide and antibacterial activity of calcium oxide/polypropylene composites. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129446] [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: 11/15/2022]
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Hayat A, Sohail M, Ali Shah Syed J, Al-Sehemi AG, Mohammed MH, Al-Ghamdi AA, Taha TA, Salem AlSalem H, Alenad AM, Amin MA, Palamanit A, Liu C, Nawawi WI, Tariq Saeed Chani M, Muzibur Rahman M. Recent Advancement of the Current Aspects of g-C 3 N 4 for its Photocatalytic Applications in Sustainable Energy System. CHEM REC 2022; 22:e202100310. [PMID: 35138017 DOI: 10.1002/tcr.202100310] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [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: 12/04/2021] [Revised: 01/25/2022] [Indexed: 12/14/2022]
Abstract
Being one of the foremost enticing and intriguing innovations, heterogeneous photocatalysis has also been used to effectively gather, transform, and conserve sustainable sun's radiation for the production of efficient and clean fossil energy as well as a wide range of ecological implications. The generation of solar fuel-based water splitting and CO2 photoreduction is excellent for generating alternative resources and reducing global warming. Developing an inexpensive photocatalyst can effectively split water into hydrogen (H2 ), oxygen (O2 ) sources, and carbon dioxide (CO2 ) into fuel sources, which is a crucial problem in photocatalysis. The metal-free g-C3 N4 photocatalyst has a high solar fuel generation potential. This review covers the most recent advancements in g-C3 N4 preparation, including innovative design concepts and new synthesis methods, and novel ideas for expanding the light absorption of pure g-C3 N4 for photocatalytic application. Similarly, the main issue concerning research and prospects in photocatalysts based g-C3 N4 was also discussed. The current dissertation provides an overview of comprehensive understanding of the exploitation of the extraordinary systemic and characteristics, as well as the fabrication processes and uses of g-C3 N4 .
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Affiliation(s)
- Asif Hayat
- College of Chemistry and Environmental Engineering, Shenzhen University, 1066 Xueyuan Boulevard, Shenzhen, 518055, People's Republic of China
| | - Muhammad Sohail
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313001, P.R. China
| | - Jawad Ali Shah Syed
- Department of Material Science and Engineering, College of Engineering and Applied Sciences, Nanjing University
| | - Abdullah G Al-Sehemi
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia.,Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Mohammed H Mohammed
- Department of Physics, College of Science, Southern Illinois University, Carbondale, IL, 62901, USA.,Department of Physics, College of Science, University of Thi Qar, Nassiriya, 64000, IRAQ
| | - Ahmed A Al-Ghamdi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - T A Taha
- Physics Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, 2014, Saudi Arabia.,Physics Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, 2014, Saudi Arabia
| | - Huda Salem AlSalem
- Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
| | - Asma M Alenad
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Mohammed A Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Arkom Palamanit
- Energy Technology Program, Department of Specialized Engineering, Faculty of Engineering, Prince of Songkla University, 15 Karnjanavanich Rd., Hat Yai, Songkhla, 90110, Thailand
| | - Changkun Liu
- College of Chemistry and Environmental Engineering, Shenzhen University, 1066 Xueyuan Boulevard, Shenzhen, 518055, People's Republic of China
| | - W I Nawawi
- Faculty of Applied Sciences, Universiti Teknologi MARA, Cawangan Perlis, 02600, Arau Perlis, Malaysia
| | - Muhammad Tariq Saeed Chani
- Center of Excellence for Advanced Materials Research (CEAMR) & Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Mohammed Muzibur Rahman
- Center of Excellence for Advanced Materials Research (CEAMR) & Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
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Chowdhury S, Al‐Mamun A, Zulfiqar M, Alam MM, Rahman MM. Statistical Optimization and Modeling Approach for Fenton‐like Discoloration of Methyl Orange using Green Zero‐valent Iron Nanoparticle Catalysts. ChemistrySelect 2022. [DOI: 10.1002/slct.202103896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sujan Chowdhury
- Chemical Engineering Department Jashore University of Science and Technology 1 Churamonkathi – Chaugachha Road 7408 Jashore Bangladesh
| | - Abdullah Al‐Mamun
- Chemical Engineering Department Jashore University of Science and Technology 1 Churamonkathi – Chaugachha Road 7408 Jashore Bangladesh
| | - Muhammad Zulfiqar
- Chemical Engineering Department Universiti Teknologi PETRONAS 32610 Bandar Seri Iskandar Perak Malaysia
| | - M. M. Alam
- Center of Excellent for Advanced Materials Research (CEAMR) King Abdulaziz University Jeddah 21589, P.O. Box 80203 Saudi Arabia
| | - Mohammed M. Rahman
- Center of Excellent for Advanced Materials Research (CEAMR) King Abdulaziz University Jeddah 21589, P.O. Box 80203 Saudi Arabia
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Yao Y, Luan J. Preparation, Property Characterization of Gd2YSbO7/ZnBiNbO5 Heterojunction Photocatalyst for Photocatalytic Degradation of Benzotriazole under Visible Light Irradiation. Catalysts 2022; 12:159. [DOI: 10.3390/catal12020159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/10/2022] Open
Abstract
The Gd2YSbO7/ZnBiNbO5 heterojunction photocatalyst was synthesized for the first time by the facile in situ precipitation method. The structural properties of a Gd2YSbO7/ZnBiNbO5 heterojunction photocatalyst were characterized by X-ray diffractometer, scanning electron microscope-X ray energy dispersive spectra, X-ray photoelectron spectrograph and UV-Vis diffuse reflectance spectrophotometer. The band gap energy (BGE) of Gd2YSbO7 or ZnBiNbO5 was found to be 2.396 eV or 2.696 eV, respectively. The photocatalytic property of Gd2YSbO7 or ZnBiNbO5 or Gd2YSbO7/ZnBiNbO5 heterojunction photocatalyst (GZHP) was reported. After a visible-light irradiation of 145 minutes (VLI-145 min), the removal rate (RER) of benzotriazole reached 99.05%, 82.45%, 78.23% or 47.30% with Gd2YSbO7/ZnBiNbO5 heterojunction (GZH), Gd2YSbO7, ZnBiNbO5 or N-doped TiO2 (NTO) as photocatalyst. In addition, the kinetic constant k, derived from the dynamic curve toward benzotriazole concentration and visible light irradiation time with GZH as a photocatalyst, reached 0.0213 min−1. Compared with Gd2YSbO7 or ZnBiNbO5 or NTO, GZHP showed maximal photocatalytic activity (PHA) for the photocatalytic degradation of benzotriazole under visible-light irradiation. The RER of total organic carbon during the photocatalytic degradation of benzotriazole reached 90.18%, 74.35%, 70.73% or 42.15% with GZH as a photocatalyst or with Gd2YSbO7, ZnBiNbO5 or NTO as a photocatalyst after VLI-145 min. Moreover, the kinetic constant k, which came from the dynamic curve toward total organic carbon concentration and visible light irradiation time with GZH as a photocatalyst, reached 0.0110 min−1. Based on above results, GZHP showed the maximal mineralization percentage ratio when GZHP degraded benzotriazole. The results showed that hydroxyl radicals was the main oxidation radical during the degradation of benzotriazole. The photocatalytic degradation of benzotriazole with GZH as a photocatalyst conformed to the first-order reaction kinetics. Our research aimed to improve the photocatalytic properties of the single photocatalyst.
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Song Y, Lu X, Liu Z, Liu W, Gai L, Gao X, Ma H. Efficient Removal of Cr(VI) by TiO 2 Based Micro-Nano Reactor via the Synergy of Adsorption and Photocatalysis. Nanomaterials (Basel) 2022; 12:291. [PMID: 35055308 PMCID: PMC8778119 DOI: 10.3390/nano12020291] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/12/2022] [Accepted: 01/14/2022] [Indexed: 12/24/2022]
Abstract
The low-toxicity treatment of chromium-containing wastewater represents an important way of addressing key environmental problems. In this study, a core-shell structural ZIF-8@TiO2 photocatalyst was synthesized by a simple one-step hydrothermal method. The obtained composite photocatalyst possessed improved photocatalytic activity compared with TiO2. The results indicated that the optimized ZIF-8@TiO2 composite exhibited the highest removal efficiency with 93.1% of Cr(VI) after 120 min under UV-vis irradiation. The removal curves and XPS results indicated that the adsorbed Cr(VI) on the ZIF-8 during the dark process was preferentially reduced. The superior removal efficiency of ZIF-8@TiO2 is attributed to the combination of both high adsorption of ZIF-8, which attracted Cr(VI) on the composite surface, and the high separation efficiency of photo-induced electron-hole pairs. For the mixture of wastewater that contained methyl orange and Cr(VI), 97.1% of MO and 99.7% of Cr(VI) were removed after 5 min and 60 min light irradiation, respectively. The high removal efficiency of multiple pollutants provides promising applications in the field of Cr(VI) contaminated industrial wastewater treatment.
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Affiliation(s)
- Yu Song
- School of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China;
| | - Xi Lu
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (X.L.); (Z.L.); (L.G.)
| | - Zhibao Liu
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (X.L.); (Z.L.); (L.G.)
| | - Wenfei Liu
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA;
| | - Ligang Gai
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (X.L.); (Z.L.); (L.G.)
| | - Xiang Gao
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (X.L.); (Z.L.); (L.G.)
| | - Hongfang Ma
- School of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China;
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (X.L.); (Z.L.); (L.G.)
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Luan J, Wei Z, Niu B, Yang G, Huang C, Ma B, Liu W. Synthesis, Property Characterization and Photocatalytic Activity of the Ag3PO4/Gd2BiTaO7 Heterojunction Catalyst under Visible Light Irradiation. Catalysts 2022; 12:22. [DOI: 10.3390/catal12010022] [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: 11/16/2022] Open
Abstract
A new type of Gd2BiTaO7 nanocatalyst (GBT) was synthesized by a high-temperature solid-phase method, and a heterojunction photocatalyst, which was composed of GBT and silver phosphate (AP), was prepared by the facile in-situ precipitation method for the first time. The photocatalytic property of GBT or the Ag3PO4/Gd2BiTaO7 heterojunction photocatalyst (AGHP) was reported. The structural properties of GBT and AGHP were characterized by an X-ray diffractometer, scanning electron microscope–X-ray energy dispersive spectra, an X-ray photoelectron spectrograph, a synchrotron-based ultraviolet photoelectron spectroscope, a Fourier transform infrared spectrometer, an UV-Vis diffuse reflectance spectrophotometer and an electron paramagnetic resonance spectrometer. The results displayed that GBT was well crystallized with a stable cubic crystal system and space group Fd3m. The lattice parameter or band gap energy of GBT was found to be a = 10.740051 Å or 2.35 eV, respectively. After visible light irradiation of 30 min, the removal rate of bisphenol A (BPA) reached 99.52%, 95.53% or 37.00% with AGHP as the photocatalyst, with Ag3PO4 and potassium persulfate (AP-PS) as photocatalysts or with N-doped TiO2 (NT) as a photocatalyst, respectively. According to the experimental data, it could be found that the removal rate of BPA with AGHP as a photocatalyst was 2.69 times higher than that with NT as a photocatalyst. AGHP showed higher photocatalytic activity for photocatalytic degradation of BPA under visible light irradiation compared with GBT or AP-PS or NT. The removal rate of total organic carbon (TOC) was 96.21%, 88.10% or 30.55% with AGHP as a photocatalyst, with AP-PS as photocatalysts or with NT as a photocatalyst after visible light irradiation of 30 min. The above results indicated that AGHP possessed the maximal mineralization percentage ratio during the process of degrading BPA compared with GBT or AP-PS or NT. The results indicated that the main oxidation radical was •OH during the process of degrading BPA. The photocatalytic degradation of BPA with AGHP as a photocatalyst conformed to the first-order reaction kinetics. This study provided inspiration for obtaining visible light-responsive heterojunction photocatalysts with high catalytic activity and efficient removal technologies for organic pollutants and toxic pollutants, and as a result, the potential practical applications of visible light-responsive heterojunction photocatalysts were widened. The subsequent research of thin-film plating of the heterojunction catalysts and the construction of complete photoluminescent thin-film catalytic reaction systems, which utilized visible light irradiation, could provide new technologies and perspectives for the pharmaceutical wastewater treatment industry.
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Mallikarjuna K, Vattikuti SVP, Manne R, Manjula G, Munirathnam K, Mallapur S, Marraiki N, Mohammed A, Reddy LV, Rajesh M, Razab MKAA. Sono-Chemical Synthesis of Silver Quantum Dots Immobilized on Exfoliated Graphitic Carbon Nitride Nanostructures Using Ginseng Extract for Photocatalytic Hydrogen Evolution, Dye Degradation, and Antimicrobial Studies. Nanomaterials (Basel) 2021; 11:2918. [PMID: 34835682 PMCID: PMC8623364 DOI: 10.3390/nano11112918] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/21/2021] [Accepted: 10/26/2021] [Indexed: 11/16/2022]
Abstract
Due to modernization and the scarcity of fossil fuel resources, energy demand is continuously increasing. In this regard, it is essential and necessary to create a renewable energy source that can meet future energy demands. Recently, the production of H2 by water splitting and removing pollutants from the water has been essential for issues of energy and environmental demands. Herein, g-C3N4 and Ag-g-C3N4 composite structures have been successfully fabricated by the ultrasonication method. The physio/photochemical properties of prepared g-C3N4 and Ag-g-C3N4 were examined with different analytical techniques such as FTIR, XRD, UV-DRS, SEM, TEM, PL, and XPS analyses. The silver quantum dots (QDS) anchored to g-C3N4 structures performed the profound photocatalytic activities of H2 production, dye degradation, and antimicrobial activity under visible-light irradiation. The Ag/g-C3N4 composite with an Ag loading of 0.02 mole has an optimum photoactivity at 335.40 μmol g-1 h-1, which is superior to other Ag loading g-C3N4 composites. The synthesized Ag/g-C3N4 nanoparticles showed potential microbial inhibition activity during the preliminary screening, and the inhibition zones were comparable to the commercial antibiotic chloramphenicol. The loading of Ag into g-C3N4 paves the suppression, recombination and transfer of photo-generated electron-hole pairs, leading to the enhancement of hydrogen production, the diminishment of pollutants in water under visible light irradiation, and antimicrobial activity against multidrug-resistant pathogens.
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Affiliation(s)
- Koduru Mallikarjuna
- Department of Physics, Siddharth Institute of Engineering and Technology, Puttur 517583, India;
| | | | - Ravi Manne
- Chemtex Environmental Lab, Port Arthur, TX 77642, USA;
| | - Gangarapu Manjula
- Department of Physics, Sri Venkateswara College of Engineering, Tirupati 517520, India;
| | - Keelapattu Munirathnam
- Department of Physics, School of Applied Sciences, REVA University, Bangalore 560064, India;
| | - Srinivas Mallapur
- Department of Chemistry, School of Applied Sciences, REVA University, Bangalore 560064, India;
| | - Najat Marraiki
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia;
| | - Arifullah Mohammed
- Faculty of Agro-Based Industry, Universiti Malaysia Kelantan Campus Jeli, Locked Bag100, Jeli 17600, Kelantan, Malaysia
| | | | - Megala Rajesh
- Department of Physics, Sri Venkateswara University, Tirupati 517502, India;
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Subhan MA, Chandra Saha P, Hossain A, Asiri AM, Alam MM, Al-Mamun M, Ghann W, Uddin J, Raihan T, Azad AK, Rahman MM. Photocatalytic performance, anti-bacterial activities and 3-chlorophenol sensor fabrication using MnAl 2O 4·ZnAl 2O 4 nanomaterials. Nanoscale Adv 2021; 3:5872-5889. [PMID: 36132679 PMCID: PMC9419424 DOI: 10.1039/d1na00627d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 08/15/2021] [Accepted: 08/23/2021] [Indexed: 06/16/2023]
Abstract
A MnAl2O4·ZnAl2O4 nanomaterial was synthesized by co-precipitation and characterized by XRD, SEM, EDS, TEM, AFM, FTIR, PL, CV and EIS. The photocatalytic activity of the nanocomposite against MV dye and its MDR anti-bacterial functions were studied. The nanocomposite shows excellent photocatalytic as well as anti-bacterial activity. A MnAl2O4·ZnAl2O4 nanomaterial/Nafion/GCE electrode was fabricated and implemented as the working electrode of a 3-CP sensor. The sensor exhibited good sensitivity, with the lowest detection limit, fast response time, large linear dynamic range (LDR), and long-term stability in the chemical environment. The estimated sensitivity is 70.07 μA mM-1 cm-2. The LDR, limit of detection (LOD), and limit of quantification (LOQ) are 0.1 nM to 0.01 M, 0.0014 ± 0.0001 nM, and 0.004 nM, respectively. The MnAl2O4·ZnAl2O4 nanomaterial/Nafion/GCE is a promising fabricated sensor probe for the selective detection of 3-CP for the environmental safety and healthcare fields on a large scale.
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Affiliation(s)
- Md Abdus Subhan
- Department of Chemistry, Shahjalal University of Science and Technology Sylhet 3114 Bangladesh
| | - Pallab Chandra Saha
- Department of Chemistry, Shahjalal University of Science and Technology Sylhet 3114 Bangladesh
| | - Anwar Hossain
- Department of Chemistry, Shahjalal University of Science and Technology Sylhet 3114 Bangladesh
| | - Abdullah M Asiri
- Department of Chemistry, Faculty of Science, King Abdulaziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University P. O. Box 80203 Jeddah 21589 Saudi Arabia
| | - M M Alam
- Department of Chemical Engineering and Polymer Science, Shahjalal University of Science and Technology Sylhet 3114 Bangladesh
| | - Mohammad Al-Mamun
- Centre for Clean Environment and Energy, Griffith School of Environment, Gold Coast Campus, Griffith University QLD 4222 Australia
| | - William Ghann
- Center for Nanotechnology, Department of Natural Sciences, Coppin State University Baltimore MD 21216 USA
| | - Jamal Uddin
- Center for Nanotechnology, Department of Natural Sciences, Coppin State University Baltimore MD 21216 USA
| | - Topu Raihan
- Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology Sylhet 3114 Bangladesh
| | - A K Azad
- Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology Sylhet 3114 Bangladesh
| | - Mohammed M Rahman
- Department of Chemistry, Faculty of Science, King Abdulaziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University P. O. Box 80203 Jeddah 21589 Saudi Arabia
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Rafat MN, Lim CS, Cho KY, Jung CH, Oh WC. 3D ternary LaCdSe-GO-TiO2 nanocomposite synthesized with high powersonic method and sonophotocatalytic efficiency for hydrogen evolution with different scavengers. Res Chem Intermed 2021. [DOI: 10.1007/s11164-021-04479-7] [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: 10/21/2022]
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Subhan MA, Saha PC, Akand MAR, Asiri AM, Al‐Mamun M, Rahman MM. Highly sensitive and efficient hydrazine sensor probe development based on MoO
3
/CuO/ZnO ternary mixed metal oxide nano‐composites for sustainable environment. Electrochemical Science Adv 2021. [DOI: 10.1002/elsa.202100031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Affiliation(s)
- Md Abdus Subhan
- Department of Chemistry Shah Jalal University of Science and Technology Sylhet 3114 Bangladesh
| | - Pallab Chandra Saha
- Department of Chemistry Shah Jalal University of Science and Technology Sylhet 3114 Bangladesh
| | | | - Abdullah M. Asiri
- Center of Excellence for Advanced Materials Research (CEAMR) Department of Chemistry Faculty of Science King Abdulaziz University Jeddah Saudi Arabia
| | - Mohammad Al‐Mamun
- Centre for Clean Environment and Energy Griffith School of Environment Gold Coast Campus Griffith University Queensland Australia
| | - Mohammed M. Rahman
- Center of Excellence for Advanced Materials Research (CEAMR) Department of Chemistry Faculty of Science King Abdulaziz University Jeddah Saudi Arabia
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Abdus Subhan M, Saha PC, Sumon SA, Alam MM, Asiri AM, Al‐mamun M, Rahman MM. Development of a 4‐Nitrophenylhydrazine Sensor Based on MgTi 2 O 4 ⋅TiO 2 ⋅Zn 2 TiO 4 Nanomaterials. ChemistrySelect 2021; 6:323-331. [DOI: 10.1002/slct.202003594] [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: 11/07/2022]
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Subhan MA, Rifat TP, Saha PC, Alam MM, Asiri AM, Raihan T, Azad AK, Ghann W, Uddin J, Rahman MM. Photocatalytic, anti-bacterial performance and development of 2,4-diaminophenylhydrazine chemical sensor probe based on ternary doped Ag·SrSnO 3 nanorods. NEW J CHEM 2021. [DOI: 10.1039/d0nj04813e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ag·SrSnO3 NRs is an excellent photocatalyst, kills both Gram positive and Gram negative bacteria. The 2,4-DAPHyd sensor fabricated by layered Ag·SrSnO3 NRs onto GCE shows high sensitivity (7.5854 μA μM−1 cm−2); LDR, 0.1 nM~0.01 mM & LOD, 96.13 ± 4.81 pM.
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Subhan MA, Chandra Saha P, Hossain MA, Alam MM, Asiri AM, Rahman MM, Al-Mamun M, Rifat TP, Raihan T, Azad AK. Photocatalysis, photoinduced enhanced anti-bacterial functions and development of a selective m-tolyl hydrazine sensor based on mixed Ag·NiMn 2O 4 nanomaterials. RSC Adv 2020; 10:30603-30619. [PMID: 35516049 PMCID: PMC9056325 DOI: 10.1039/d0ra05008c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 08/02/2020] [Indexed: 11/21/2022] Open
Abstract
In this work, a tri-metal based nanocomposite was synthesized and characterized. A detailed investigation of the photocatalytic dye degradation efficiency of the nanocomposite under visible light showed promising results in a wide pH range, both acidic and basic medium. Studies on anti-bacterial activity against seven pathogenic bacteria, including both Gram positive and Gram negative species, were conducted in the presence and absence of light and compared with the standard antibiotic gentamicin. The minimum inhibitory concentration (MIC) values of Ag·NiMn2O4 against multidrug-resistant (MDR) pathogens ranged from 0.008 to 0.65 μg μL-1, while the minimum bactericidal concentration (MBC) was found to be 0.0016 μg μL-1. The nanomaterial, Ag·NiMn2O4 was deposited onto the surface of a glassy carbon electrode (GCE; 0.0316 cm2) as a thin film to fabricate the chemical sensor probe. The proposed sensor showed linear current (vs. concentration) response to m-THyd (m-tolyl hydrazine) from 1.0 pM to 0.01 mM, which is denoted as the linear dynamic range (LDR). The estimated sensitivity and detection limit of the m-THyd sensor were found to be 47.275 μA μM-1 cm-2 and 0.97 ± 0.05 pM, respectively. As a potential sensor, it is reliable due to its good reproducibility, rapid response, higher sensitivity, working stability for long duration and efficiency in the analysis of real environmental samples.
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Affiliation(s)
- Md Abdus Subhan
- Department of Chemistry, School of Physical Sciences, Shah Jalal University of Science and Technology Sylhet-3114 Bangladesh +8801716073270
| | - Pallab Chandra Saha
- Department of Chemistry, School of Physical Sciences, Shah Jalal University of Science and Technology Sylhet-3114 Bangladesh +8801716073270
| | - Md Anwar Hossain
- Department of Chemistry, School of Physical Sciences, Shah Jalal University of Science and Technology Sylhet-3114 Bangladesh +8801716073270
| | - M M Alam
- Department of Chemical Engineering and Polymer Science, Shah Jalal University of Science and Technology Sylhet 3100 Bangladesh
| | - Abdullah M Asiri
- Center of Excellence for Advanced Materials Research (CEAMR), Department of Chemistry, Faculty of Science, King Abdulaziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia +966-12-695-2292 +966-59-642-1830
| | - Mohammed M Rahman
- Center of Excellence for Advanced Materials Research (CEAMR), Department of Chemistry, Faculty of Science, King Abdulaziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia +966-12-695-2292 +966-59-642-1830
| | - Mohammad Al-Mamun
- Centre for Clean Environment and Energy, Griffith School of Environment, Gold Coast Campus, Griffith University QLD 4222 Australia
| | - Tanjila Parvin Rifat
- Department of Chemistry, School of Physical Sciences, Shah Jalal University of Science and Technology Sylhet-3114 Bangladesh +8801716073270
| | - Topu Raihan
- Department Genetics Engineering and Biotechnology, Shah Jalal University of Science and Technology Sylhet-3114 Bangladesh
| | - A K Azad
- Department Genetics Engineering and Biotechnology, Shah Jalal University of Science and Technology Sylhet-3114 Bangladesh
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Rahman MM, Alam MM, Asiri AM, Uddin J. Assessment of environmentally unsafe pollutants using facile wet-chemically prepared CeO 2–ZrO 2 nanocomposites by the electrochemical approach. NEW J CHEM 2020. [DOI: 10.1039/d0nj04281a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Selective and sensitive 4-methoxyphenol chemical sensor was developed with a co-doped CeO2–ZrO2 nanocomposite modified glassy carbon electrode as a sensor probe by electrochemical approach for the safety of environmental and ecological fields in broad scales.
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Affiliation(s)
- Mohammed M. Rahman
- Department of Chemistry
- King Abdulaziz University
- Faculty of Science
- Jeddah 21589
- Saudi Arabia
| | - M. M. Alam
- Department of Chemical Engineering and Polymer Science
- Shahjalal University of Science and Technology
- Sylhet 3100
- Bangladesh
| | - Abdullah M. Asiri
- Department of Chemistry
- King Abdulaziz University
- Faculty of Science
- Jeddah 21589
- Saudi Arabia
| | - Jamal Uddin
- Center for Nanotechnology
- Department of Natural Sciences
- Coppin State University
- Baltimore
- USA
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