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Yu C, Liu M, Wang T, Guo S, Yang Q, Li H, Kong D, Du C, Dong S, Feng J. Enhanced aquatic antibiotic removal via dual piezoelectric photocatalyst CdS/BiFeO 3 S-scheme heterojunction: Mechanism, degradation pathway, and toxicity evaluation. J Colloid Interface Sci 2025; 692:137541. [PMID: 40209426 DOI: 10.1016/j.jcis.2025.137541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2025] [Revised: 04/03/2025] [Accepted: 04/06/2025] [Indexed: 04/12/2025]
Abstract
Piezo-photocatalysis represents an effective and eco-friendly strategy for water purification, wherein singlet oxygen (1O2) serves as a crucial reactive oxygen species due to its exceptional selectivity and remarkable oxidative capacity in wastewater degradation processes. Herein, we elaborately designed a dual piezoelectric photocatalyst, the Cadmium sulfide/Bismuth ferrite (CdS/BiFeO3) step-scheme (S-scheme) heterojunction to synergistically enhance generation pathways of 1O2 for efficient removal of antibiotic contaminants. In this study, under the combination of ultrasonic vibration and visible light irradiation, the optimized CdS/BiFeO3-10 % exhibited a reaction rate constant of 0.200 min-1 for ciprofloxacin (CIP) degradation, which was 9.52 and 5.88 times higher than that of individual piezocatalysis and photocatalysis, respectively. The synergistic effect of the interfacial electric field and the vibration-induced piezoelectric field significantly promoted charge carrier separation, as supported by detailed experimental and theoretical results. Through quenching experiment and Electron spin resonance (ESR), 1O2 and holes (h+) played major roles in CIP degradation. Furthermore, the toxicity and degradation pathways of CIP intermediates were systematically evaluated. The CdS/BiFeO3 composite also demonstrated outstanding reusability and cycle stability, making it suitable for practical wastewater treatment applications. This work highlights the potential of CdS/BiFeO3 with piezoelectric effect-assisted S-scheme heterojunction for highly efficient antibiotic wastewater remediation, offering a novel and effective strategy for water purification.
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Affiliation(s)
- Chongfei Yu
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, China.
| | - Mengna Liu
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, China
| | - Tao Wang
- Faculty of Civil Aviation and Aeronautics, Kunming University of Science and Technology, Kunming 650500, China
| | - Siya Guo
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, China
| | - Qing Yang
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, China
| | - Haiyang Li
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, China
| | - Dehao Kong
- Faculty of Civil Aviation and Aeronautics, Kunming University of Science and Technology, Kunming 650500, China.
| | - Cuiwei Du
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Shuying Dong
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, China.
| | - Jinglan Feng
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, China
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Jiang Y, Liang J, Zhuo F, Ma H, Mofarah SS, Sorrell CC, Wang D, Koshy P. Unveiling Mechanically Driven Catalytic Processes: Beyond Piezocatalysis to Synergetic Effects. ACS NANO 2025; 19:18037-18074. [PMID: 40327800 DOI: 10.1021/acsnano.5c02660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2025]
Abstract
Mechanically driven catalysis (MDC) has emerged as an effective strategy for environmental remediation, renewable energy conversion, and cancer therapy; this functions by converting mechanical forces to drive catalytic reactions. This review examines four primary mechanisms, namely, piezocatalysis, flexocatalysis, tribocatalysis, and sonocatalysis, each involving specific catalytic pathways for harnessing mechanical energy at the nanoscale. However, significant challenges arise in decoupling the effects related to each individual mechanism in order to better understand and manipulate their synergies. In this review, the fundamental principles underpinning MDC are systematically interpreted. Beyond mechanistic insights, recent advancements in performance enhancement strategies for these catalysts are highlighted. Potential applications using these mechanistic approaches in environmental remediation (pollutant and antibiotic degradation and microbial disinfection), renewable energy conversion (hydrogen production and greenhouse gas conversion), and biomedical treatments (particularly cancer therapy) are discussed. Finally, the mechanistic synergies and limiting factors are explored, addressing challenges related to the overlooked combined effects of ultrasound as the activation source, complexities in mechanical force interactions at the nanoscale, and the need for targeted application strategies. Additionally, the industrial potential of these catalytic processes with consideration to scalability and practical deployment is evaluated. While challenges remain, this review provides a roadmap for advancing mechanically driven catalyst design and implementation toward real-world applications, offering potential into its future trajectory and transformative impact across numerous fields.
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Affiliation(s)
- Yue Jiang
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Jun Liang
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Fenglin Zhuo
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Hongyang Ma
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Sajjad S Mofarah
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Charles C Sorrell
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Danyang Wang
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Pramod Koshy
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia
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Park S, Jeong HY, Kim S, Peddigari M, Hwang GT, Moon GD, Roh JW, Min Y. Strategic design of emerging (K,Na)NbO 3-based perovskites for high-performance piezocatalysis and photo-piezocatalysis. NANOSCALE 2025; 17:2931-2960. [PMID: 39688556 DOI: 10.1039/d4nr04415k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2024]
Abstract
As a leading Pb-free perovskite material (ABO3-type), potassium sodium niobate (K,Na)NbO3 (KNN)-based ferroelectrics/piezoelectrics have been widely used in electronics, energy conversion, and storage due to their exceptional ability to interconvert mechanical and electrical energies. Beyond traditional applications, the piezoelectric potential generated by mechanical strain or stress modifies their energy band structures and facilitates charge carrier separation and transport, drawing increasing attention in emerging fields such as piezocatalysis and photo-piezocatalysis. With excellent piezoelectric properties, chemical/thermal stability, and strain-tuning capability, KNN-based materials show great promise for high-performance piezocatalytic applications. Coupling KNN with semiconductors exhibiting strong optical absorption to form heterojunctions further boosts performance by suppressing electron-hole recombination and promoting directed charge transfer, which is crucial for photo-piezocatalysis. The flexibility of KNN's perovskite structures also allows for modifications in chemical composition and crystal structure, enabling diverse design strategies such as defect engineering, phase boundary engineering, morphology control, and heterojunction formation. This review comprehensively explores the recent advancements in KNN-based piezocatalysis and photo-piezocatalysis, starting with an overview of their crystal structures and intrinsic properties. It then explores the role of piezoelectric potential in charge carrier dynamics and catalytic activity, followed by strategic design approaches to optimize efficiency in environmental remediation and energy conversion. Finally, the review addresses current challenges and future research directions aimed at advancing sustainable solutions using KNN-based materials in these applications.
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Affiliation(s)
- Seonhwa Park
- Regional Leading Research Center for Smart Energy System, Kyungpook National University, Daegu 41566, Korea.
| | - Hui Yong Jeong
- Regional Leading Research Center for Smart Energy System, Kyungpook National University, Daegu 41566, Korea.
- Department of Materials Science and Metallurgical Engineering, Kyungpook National University, Daegu 41566, Korea
- Innovative Semiconductor Education and Research Center for Future Mobility, Kyungpook National University, Daegu 41566, Korea
- Research Institute of Automotive Parts and Materials, Kyungpook National University, 80 Daehakro, Buk-gu, Daegu, Korea
| | - Seokhwan Kim
- Regional Leading Research Center for Smart Energy System, Kyungpook National University, Daegu 41566, Korea.
- Department of Materials Science and Metallurgical Engineering, Kyungpook National University, Daegu 41566, Korea
- Innovative Semiconductor Education and Research Center for Future Mobility, Kyungpook National University, Daegu 41566, Korea
- Research Institute of Automotive Parts and Materials, Kyungpook National University, 80 Daehakro, Buk-gu, Daegu, Korea
| | - Mahesh Peddigari
- Department of Physics, Indian Institute of Technology Hyderabad, Kandi 502284, Telangana, India
| | - Geon-Tae Hwang
- Department of Materials Science and Engineering, Pukyong National University, Busan 48513, Korea
| | - Geon Dae Moon
- Dongnam Regional Division, Korea Institute of Industrial Technology, Busan 46938, Korea
| | - Jong Wook Roh
- Regional Leading Research Center for Smart Energy System, Kyungpook National University, Daegu 41566, Korea.
- School of Nano and Materials Science and Engineering, Kyungpook National University, Sangju 37224, Korea
| | - Yuho Min
- Regional Leading Research Center for Smart Energy System, Kyungpook National University, Daegu 41566, Korea.
- Department of Materials Science and Metallurgical Engineering, Kyungpook National University, Daegu 41566, Korea
- Innovative Semiconductor Education and Research Center for Future Mobility, Kyungpook National University, Daegu 41566, Korea
- Research Institute of Automotive Parts and Materials, Kyungpook National University, 80 Daehakro, Buk-gu, Daegu, Korea
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He Y, Tian N, An Y, Sun R, Zhang Y, Huang H. Morphology Regulation and Oxygen Vacancy Construction Synergistically Boosting the Piezocatalytic Degradation and Pure Water Splitting of SrTiO 3. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2407624. [PMID: 39420852 DOI: 10.1002/smll.202407624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2024] [Revised: 09/27/2024] [Indexed: 10/19/2024]
Abstract
In recent years, the development of high-efficiency piezoelectric materials is an effective means to make full use of the mechanical energy widely existing in the environment. However, there are few reports on multi-strategies synergistically improving piezocatalytic activity, and the mechanism of synergistic enhancement of piezocatalytic activity also receives less attention. Herein, the SrTiO3 nanorods decorated with tunable surface oxygen vacancy concentrations are prepared. Oxygen vacancy-optimized SrTiO3 nanorods exhibit efficient and undifferentiated piezocatalytic degradation activities for both anionic and cationic dyes under ultrasonic vibration. More importantly, it can split water into H2 and H2O2 with high production rates of 540 and 332 µmol g-1 h-1 without adding any sacrificial agents and cocatalysts, respectively. Mechanism analyses demonstrate that the 1D structure is beneficial to mechanical energy harvesting, and the surface oxygen vacancy induces larger surface asymmetry and piezoelectric response, synergically enhancing the piezocatalytic activity of SrTiO3 nanorods. In addition, metal deposition experiments under different conditions show that SrTiO3 nanorods possess abundant reactive catalytic sites in the piezocatalytic reaction process. This work provides a further understanding of piezocatalysis in piezoelectric nanomaterials and is important for the development of efficient piezoelectric catalysts.
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Affiliation(s)
- Yiwei He
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Na Tian
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Yue An
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Rongjun Sun
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Yihe Zhang
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Hongwei Huang
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China
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Ren X, Chu Y, Yuan S, Zheng Y, Zeng Z, Xia C, Zhao L, Wu Y, He Y. Enhanced piezocatalytic RhB degradation with ZnSnO 3 Nanocube-modified Bi 4Ti 3O 12 composite catalyst by harnessing ultrasonic energy. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 370:122776. [PMID: 39357442 DOI: 10.1016/j.jenvman.2024.122776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2024] [Revised: 09/13/2024] [Accepted: 09/29/2024] [Indexed: 10/04/2024]
Abstract
With the increasing demand for effective methods to address environmental pollution, piezocatalysis has emerged as a promising approach for pollutant degradation under mechanical energy. However, the development of highly efficient piezocatalytic materials remains a challenge. This study aimed to increase the piezocatalytic activity of bismuth titanate (Bi4Ti3O12) by modifying it with zinc stannate (ZnSnO3) nanocubes. The composite catalysts were synthesized using a straightforward deposition and calcination process. The calcination process ensured the tight adhesion of ZnSnO3 nanocubes to the Bi4Ti3O12 surface, while facilitating strong interactions between ZnSnO3 and Bi4Ti3O12, which enhanced electron transfer and heterojunction structure formation. Band structure analysis indicated that Bi4Ti3O12 has higher conduction band and valence band potentials than ZnSnO3, forming a type-II heterojunction. Bi4Ti3O12 possesses a higher Fermi level than ZnSnO3, resulting in interfacial electron drift and formation of a built-in electric field, which further promotes the directional transfer and separation efficiency of charge carriers within the composite catalyst. This hypothesis was confirmed by surface photovoltage spectroscopy, piezoelectric current response, and electrochemical analysis. Consequently, the ZnSnO3/Bi4Ti3O12 composite exhibited significantly improved piezocatalytic performance in RhB degradation, achieving a degradation efficiency of 80 % within 90 min under ultrasonic vibration. The degradation rate of the optimal sample was 8.2 times that of Bi4Ti3O12 and 6.3 times that of ZnSnO3. Additionally, experiments to detect reactive species were conducted to elucidate the mechanism behind the piezocatalytic RhB degradation. Holes and hydroxyl radicals were the main reactive species. This study may offer new insights into the design of efficient piezocatalytic materials.
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Affiliation(s)
- Xujie Ren
- Department of Materials Science and Engineering, Zhejiang Normal University, Jinhua, 321004, China
| | - Yuxin Chu
- Department of Materials Science and Engineering, Zhejiang Normal University, Jinhua, 321004, China
| | - Shude Yuan
- Department of Materials Science and Engineering, Zhejiang Normal University, Jinhua, 321004, China
| | - Yekang Zheng
- Department of Materials Science and Engineering, Zhejiang Normal University, Jinhua, 321004, China
| | - Zhihao Zeng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, 321004, China
| | - Chuanqi Xia
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, 321004, China
| | - Leihong Zhao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, 321004, China
| | - Ying Wu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, 321004, China.
| | - Yiming He
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, 321004, China; Department of Materials Science and Engineering, Zhejiang Normal University, Jinhua, 321004, China.
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6
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Mohammadzadeh Kakhki R, Koohkan M. Promising photocatalytic activity of Ag 2SO 4-modified BiOCl/BFO heterostructures under visible light. ENVIRONMENTAL TECHNOLOGY 2024; 45:5654-5664. [PMID: 38234136 DOI: 10.1080/09593330.2024.2304658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 10/23/2023] [Indexed: 01/19/2024]
Abstract
In this work, a simple co-precipitation method for the preparation of Ag2SO4@BiOCl@Bi25FeO40 (BFO) was developed. Ultraviolet-visible spectrophotometric analysis, X-ray diffraction patterns, Fourier transform infrared spectroscopy (FT-IR), and scanning field emission electron microscopy (FESEM) were performed to characterize the newly synthesized nanocomposite. In addition, the EDX method was used to determine the actual material quantities. The synthesized samples of Bi25FeO40 and Ag2SO4 Bi25FeO40 showed high absorption in the visible region. Furthermore, the photocatalytic activity was significantly improved by the addition of Ag2SO4. The results showed photcatalytic efficiency was reached to about 99% with 0.01 g of Ag2SO4@BiOCl@Bi25FeO40 in pH 4 under visible light. The isoelectric pH of the photocatalayst was obtained 5. Also, kinetic study showed a first order mechanism for photodegradation. Moreover, a mechanistic study was proposed for the newly synthesized heterostructures.
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Affiliation(s)
| | - Mahdieh Koohkan
- Department of Chemistry, Faculty of Sciences, University of Gonabad, Gonabad, Iran
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Dong Z, Guan P, Zhou L, Jiang Y, Chen F, Wang J, Jia H, Huang Y, Cao T, Meng L, Zhou Y, Li M, Wan T, Hu L, Xu Z, Han Z, Chu D. Enhanced Piezocatalytic Performance of Li-doped BaTiO 3 Through a Facile Sonication-Assisted Precipitation Approach. CHEMSUSCHEM 2024; 17:e202400796. [PMID: 38697941 DOI: 10.1002/cssc.202400796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Revised: 04/30/2024] [Accepted: 05/02/2024] [Indexed: 05/05/2024]
Abstract
Piezocatalysis-induced dye degradation has garnered significant attention as an effective method for addressing wastewater treatment challenges. In our study, we employed a room-temperature sonochemical method to synthesize piezoelectric barium titanate nanoparticles (BaTiO3: BTO) with varying levels of Li doping. This approach not only streamlined the sample preparation process but also significantly reduced the overall time required for synthesis, making it a highly efficient and practical method. One of the key findings was the exceptional performance of the Li-doped BTO nanoparticles. With 20 mg of Li additive, we achieved 90 % removal of Rhodamine B (RhB) dye within a relatively short timeframe of 150 minutes, all while subjecting the sample to ultrasonic vibration. This rapid and efficient dye degradation was further evidenced by the calculated kinetic rate constant, which indicated seven times faster degradation rate compared to pure BTO. The enhanced piezoelectric performance observed in the Li-doped BTO nanoparticles can be attributed to the strategic substitution of Li atoms, which facilitated a more efficient transfer of charge charges at the interface. Overall, our study underscores the potential of piezocatalysis coupled with advanced materials like Li-doped BTO nanoparticles as a viable and promising solution for wastewater treatment, offering both efficiency and environmental sustainability.
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Affiliation(s)
- Zekun Dong
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Peiyuan Guan
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Lu Zhou
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Yue Jiang
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Fandi Chen
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Jinbo Wang
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Haowei Jia
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Yixuan Huang
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Tao Cao
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Linghui Meng
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Yingze Zhou
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Mengyao Li
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Tao Wan
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Long Hu
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Zhemi Xu
- Chemistry and Material Engineering College, Beijing Technology and Business University, Beijing, 100048, P. R. China
| | - Zhaojun Han
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, 4001, Australia
| | - Dewei Chu
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
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Yuan S, Liang X, Zheng Y, Chu Y, Ren X, Zeng Z, Nan G, Wu Y, He Y. Enhanced piezocatalytic and piezo-photocatalytic dye degradation via S-scheme mechanism with photodeposited nickel oxide nanoparticles on PbBiO 2Br nanosheets. J Colloid Interface Sci 2024; 670:373-384. [PMID: 38768550 DOI: 10.1016/j.jcis.2024.05.120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/23/2024] [Accepted: 05/15/2024] [Indexed: 05/22/2024]
Abstract
The fabrication of an S-scheme heterojunction demonstrates as an efficient strategy for achieving efficient charge separation and enhancing catalytic activity of piezocatalysts. In this study, a new S-scheme heterojunction was fabricated on the PbBiO2Br surface through the photo-deposition of NiO nanoparticles. It was then employed in the piezoelectric catalytic degradation of Rhodamine B (RhB). The results demonstrate that the NiO/PbBiO2Br composite exhibits efficient performance in piezocatalytic RhB degradation. The optimal sample is the NiO/PbBiO2Br synthesized after 2 h of irradiation, achieving a RhB degradation rate of 3.11 h-1, which is 12.4 times higher than that of pure PbBiO2Br. Simultaneous exposure to visible light and ultrasound further increases in the RhB degradation rate, reaching 4.60 h-1, highlighting the synergistic effect of light and piezoelectricity in the NiO/PbBiO2Br composite. A comprehensive exploration of the charge migration mechanism at the NiO/PbBiO2Br heterojunction was undertaken through electrochemical analyses, theoretical calculations, and in-situ X-ray photoelectron spectroscopy analysis. The outcomes reveal that p-type semiconductor NiO and n-type semiconductor PbBiO2Br possess matching band structures, establishing an S-scheme heterojunction structure at their interface. Under the combined effects of band bending, interface electric fields, and Coulomb attraction, electrons and holes migrate and accumulate on the conduction band of PbBiO2Br and valence band of NiO, respectively, thereby achieving effective spatial separation of charge carriers. The catalyst's synergistic photo-piezoelectric catalysis effect can be ascribed to its role in promoting the generation and separation of charge carriers under both light irradiation and the piezoelectric field. The results of this investigation offer valuable insights into the development and production of catalytic materials that exhibit outstanding performance through the synergy of piezocatalysis and photocatalysis.
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Affiliation(s)
- Shude Yuan
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua, 321004, China
| | - Xiaoya Liang
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua, 321004, China
| | - Yekang Zheng
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua, 321004, China
| | - Yuxin Chu
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua, 321004, China
| | - Xujie Ren
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua, 321004, China
| | - Zhihao Zeng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, Zhejiang Normal University, Yingbin Road 688, Jinhua, 321004, China
| | - Guangjun Nan
- Department of Physics, Zhejiang Normal University, Jinhua, Zhejiang 321004, China
| | - Ying Wu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, Zhejiang Normal University, Yingbin Road 688, Jinhua, 321004, China.
| | - Yiming He
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, Zhejiang Normal University, Yingbin Road 688, Jinhua, 321004, China; Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua, 321004, China.
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Chen H, Xi C, Xu H, Zhang X, Xiao Z, Xu S, Bai G. Ultrasonic-driven degradation of organic pollutants using piezoelectric catalysts WS 2/Bi 2WO 6 heterojunction composites. CHEMOSPHERE 2024; 364:143008. [PMID: 39098346 DOI: 10.1016/j.chemosphere.2024.143008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 07/13/2024] [Accepted: 08/01/2024] [Indexed: 08/06/2024]
Abstract
Water pollution has been made worse by the widespread use of organic dyes and their discharge, which has coincided with the industry's rapid development. Piezoelectric catalysis, as an effective wastewater purification method with promising applications, can enhance the catalyst activity by collecting tiny vibrations in nature and is not limited by sunlight. In this work, we designed and synthesized intriguing WS2/Bi2WO6 heterojunction nanocomposites, investigated their shape, structure, and piezoelectric characteristics using a range of characterization techniques, and used ultrasound to accelerate the organic dye Rhodamine B (RhB) degradation in wastewater. In comparison to the pristine monomaterials, the results demonstrated that the heterojunction composites demonstrated excellent degradation and stability of RhB under ultrasonic circumstances. The existence of heterojunctions and the internal piezoelectric field created by ultrasonic driving work in concert to boost catalytic performance, and the organic dye's rate of degradation is further accelerated by the carriers that are mutually transferred between the composites.
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Affiliation(s)
- Haonan Chen
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, China
| | - Cuilu Xi
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, China
| | - Haibo Xu
- College of Modern Science and Technology, China Jiliang University, Yiwu, 322002, China
| | - Xinna Zhang
- College of Modern Science and Technology, China Jiliang University, Yiwu, 322002, China.
| | - Zhen Xiao
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, China.
| | - Shiqing Xu
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, China
| | - Gongxun Bai
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, China.
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Keneshbekova A, Smagulova G, Kaidar B, Imash A, Ilyanov A, Kazhdanbekov R, Yensep E, Lesbayev A. MXene/Carbon Nanocomposites for Water Treatment. MEMBRANES 2024; 14:184. [PMID: 39330525 PMCID: PMC11434601 DOI: 10.3390/membranes14090184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2024] [Revised: 08/19/2024] [Accepted: 08/20/2024] [Indexed: 09/28/2024]
Abstract
One of the most critical problems faced by modern civilization is the depletion of freshwater resources due to their continuous consumption and contamination with different organic and inorganic pollutants. This paper considers the potential of already discovered MXenes in combination with carbon nanomaterials to address this problem. MXene appears to be a highly promising candidate for water purification due to its large surface area and electrochemical activity. However, the problems of swelling, stability, high cost, and scalability need to be overcome. The synthesis methods for MXene and its composites with graphene oxide, carbon nanotubes, carbon nanofibers, and cellulose nanofibers, along with their structure, properties, and mechanisms for removing various pollutants from water, are described. This review discusses the synthesis methods, properties, and mechanisms of water purification using MXene and its composites. It also explores the fundamental aspects of MXene/carbon nanocomposites in various forms, such as membranes, aerogels, and textiles. A comparative analysis of the latest research on this topic shows the progress in this field and the limitations for the practical application of MXene/carbon nanocomposites to solve the problem of drinking water scarcity. Consequently, this review demonstrates the relevance and promise of the material and underscores the importance of further research and development of MXene/carbon nanocomposites to provide effective water treatment solutions.
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Affiliation(s)
- Aruzhan Keneshbekova
- Institute of Combustion Problems, 172 Bogenbay Batyr Str., Almaty 050012, Kazakhstan
| | - Gaukhar Smagulova
- Institute of Combustion Problems, 172 Bogenbay Batyr Str., Almaty 050012, Kazakhstan
- Department of "General Physics", Intistute of Energy and Mechanical Engineering Named after A. Burkitbayev, Satbayev University, 22a Satpaev Str., Almaty 050013, Kazakhstan
| | - Bayan Kaidar
- Institute of Combustion Problems, 172 Bogenbay Batyr Str., Almaty 050012, Kazakhstan
- Department of "General Physics", Intistute of Energy and Mechanical Engineering Named after A. Burkitbayev, Satbayev University, 22a Satpaev Str., Almaty 050013, Kazakhstan
| | - Aigerim Imash
- Institute of Combustion Problems, 172 Bogenbay Batyr Str., Almaty 050012, Kazakhstan
- Department of "General Physics", Intistute of Energy and Mechanical Engineering Named after A. Burkitbayev, Satbayev University, 22a Satpaev Str., Almaty 050013, Kazakhstan
- Faculty of Chemistry and Chemical Technology, Al Farabi Kazakh National University, 71 al-Farabi Ave., Almaty 050040, Kazakhstan
| | - Akram Ilyanov
- Department of "General Physics", Intistute of Energy and Mechanical Engineering Named after A. Burkitbayev, Satbayev University, 22a Satpaev Str., Almaty 050013, Kazakhstan
- Faculty of Chemistry and Chemical Technology, Al Farabi Kazakh National University, 71 al-Farabi Ave., Almaty 050040, Kazakhstan
| | - Ramazan Kazhdanbekov
- Department of "General Physics", Intistute of Energy and Mechanical Engineering Named after A. Burkitbayev, Satbayev University, 22a Satpaev Str., Almaty 050013, Kazakhstan
- Faculty of Chemistry and Chemical Technology, Al Farabi Kazakh National University, 71 al-Farabi Ave., Almaty 050040, Kazakhstan
| | - Eleonora Yensep
- Department of "General Physics", Intistute of Energy and Mechanical Engineering Named after A. Burkitbayev, Satbayev University, 22a Satpaev Str., Almaty 050013, Kazakhstan
- Faculty of Chemistry and Chemical Technology, Al Farabi Kazakh National University, 71 al-Farabi Ave., Almaty 050040, Kazakhstan
| | - Aidos Lesbayev
- Department of "General Physics", Intistute of Energy and Mechanical Engineering Named after A. Burkitbayev, Satbayev University, 22a Satpaev Str., Almaty 050013, Kazakhstan
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11
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Wang K, Xu M, Fang Z, Chen X, Liu L, Zhang H, Cao X. Enhanced photocatalytic activity of magnetically recyclable spherical Fe 3O 4/Cu 2O S-scheme heterojunction. ENVIRONMENTAL TECHNOLOGY 2024; 45:3986-4002. [PMID: 37452738 DOI: 10.1080/09593330.2023.2238131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
In this study, magnetically recyclable spherical Fe3O4/Cu2O particles comprising S-scheme heterojunctions were prepared by a simple hydrothermal approach using n-type semiconductor Fe3O4 as precursor and p-type semiconductor Cu2O. A Fenton-like system was thus constructed via the addition to Fe3O4/Cu2O of hydrogen peroxide. A rhodamine B (RhB) solution was used to simulate polluted wastewater, and photocatalytic RhB removal experiments were conducted under visible light irradiation. Powder X-ray diffractometry, vibrating-sample magnetometry, nitrogen adsorption-desorption, transmission electron microscopy, and X-ray photoelectron spectroscopy experiments were conducted to characterise Fe3O4 and Fe3O4/Cu2O composite. The band gap of Fe3O4/Cu2O was 1.76 eV, narrower than that of Fe3O4 (2.14 eV). The effects of the pH, sample dosage, hydrogen peroxide concentration, and RhB initial concentration on RhB removal were investigated. According to evidence, under the optimum reaction conditions, the RhB removal rate was 99.4%. The Fe3O4/Cu2O composite exhibited good photocatalytic efficacy even after four cycles of testing. Based on the results of free radical capture experiments, hydroxyl radicals and holes cooperated as main reactive species in the photocatalytic system. The Fe3O4/Cu2O photocatalyst can be easily removed based on magnetism, and it has been proven to be very effective for the degradation of RhB under both UV and visible light irradiation.
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Affiliation(s)
- Kai Wang
- Liaoning Engineering Research Center for Treatment and Recycling of Industrially Discharged Heavy Metals, Shenyang University of Chemical Technology, Shenyang, People's Republic of China
| | - Man Xu
- Liaoning Engineering Research Center for Treatment and Recycling of Industrially Discharged Heavy Metals, Shenyang University of Chemical Technology, Shenyang, People's Republic of China
| | - Zhenxing Fang
- College of Science and Technology, Ningbo University, Ningbo, People's Republic of China
| | - Xiao Chen
- Liaoning Engineering Research Center for Treatment and Recycling of Industrially Discharged Heavy Metals, Shenyang University of Chemical Technology, Shenyang, People's Republic of China
| | - Lixin Liu
- Liaoning Engineering Research Center for Treatment and Recycling of Industrially Discharged Heavy Metals, Shenyang University of Chemical Technology, Shenyang, People's Republic of China
| | - Haiyue Zhang
- Liaoning Engineering Research Center for Treatment and Recycling of Industrially Discharged Heavy Metals, Shenyang University of Chemical Technology, Shenyang, People's Republic of China
| | - Xuan Cao
- Liaoning Engineering Research Center for Treatment and Recycling of Industrially Discharged Heavy Metals, Shenyang University of Chemical Technology, Shenyang, People's Republic of China
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12
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Liu Z, Wang J, Dong S, Wang L, Li L, Cao Z, Zhang Y, Cheng L, Yang J. Ultrasonic controllable synthesis of sulfur-functionalized metal-organic frameworks (S-MOFs) and their application in piezo-photocatalytic rapid reduction of hexavalent chromium (Cr). ULTRASONICS SONOCHEMISTRY 2024; 107:106912. [PMID: 38762940 PMCID: PMC11130732 DOI: 10.1016/j.ultsonch.2024.106912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 05/06/2024] [Accepted: 05/14/2024] [Indexed: 05/21/2024]
Abstract
The United Nations' Sustainable Development Goals (SDGs) are significant in guiding modern scientific research. In recent years, scholars have paid much attention to MOFs materials as green materials. However, piezo catalysis of MOFs materials has not been widely studied. Piezoelectric materials can convert mechanical energy into electrical energy, while MOFs are effective photocatalysts for removing pollutants. Therefore, it is crucial to design MOFs with piezoelectric properties and photosensitivity. In this study, sulfur-functionalized metal-organic frameworks (S-MOFs) were prepared using organic sulfur-functionalized ligand (H2TDC) ultrasonic synthesis to enhance their piezoelectric properties and visible light absorption. The study demonstrated that the S-MOFs significantly enhanced the reduction of a 10 mg/L solution of hexavalent chromium to 99.4 % within 10 min, using only 15 mg of catalyst. The orbital energy level differences of the elements were analyzed using piezo response force microscopy (PFM) and X-ray photoelectron spectroscopy (XPS). The results showed that MOFs functionalized with sulfur atom ligands have a built-in electric field that facilitates charge separation and migration. This study presents a new approach to enhance the piezoelectric properties of MOFs, which broadens their potential applications in piezo catalysis and piezo-photocatalysis. Additionally, it provides a sustainable method for reducing hexavalent chromium, contributing to the achievement of sustainable development goals, specifically SDG-6, SDG-7, SDG-9, and SDG-12.
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Affiliation(s)
- Zhiwei Liu
- School of Chemical Engineering, Inner Mongolia University of Technology, Inner Mongolia Key Laboratory of Theoretical and Computational Chemistry Simulation, National & Local Joint Engineering Research Center of High-Value Utilization of Coal-Based Solid Waste, Institute of Coal Conversion and Cyclic Economy, Hohhot, 010051, People's Republic of China
| | - Jingjing Wang
- School of Chemical Engineering, Inner Mongolia University of Technology, Inner Mongolia Key Laboratory of Theoretical and Computational Chemistry Simulation, National & Local Joint Engineering Research Center of High-Value Utilization of Coal-Based Solid Waste, Institute of Coal Conversion and Cyclic Economy, Hohhot, 010051, People's Republic of China
| | - Shanghai Dong
- School of Chemical Engineering, Inner Mongolia University of Technology, Inner Mongolia Key Laboratory of Theoretical and Computational Chemistry Simulation, National & Local Joint Engineering Research Center of High-Value Utilization of Coal-Based Solid Waste, Institute of Coal Conversion and Cyclic Economy, Hohhot, 010051, People's Republic of China
| | - Liying Wang
- School of Chemical Engineering, Inner Mongolia University of Technology, Inner Mongolia Key Laboratory of Theoretical and Computational Chemistry Simulation, National & Local Joint Engineering Research Center of High-Value Utilization of Coal-Based Solid Waste, Institute of Coal Conversion and Cyclic Economy, Hohhot, 010051, People's Republic of China.
| | - Lu Li
- School of Chemical Engineering, Inner Mongolia University of Technology, Inner Mongolia Key Laboratory of Theoretical and Computational Chemistry Simulation, National & Local Joint Engineering Research Center of High-Value Utilization of Coal-Based Solid Waste, Institute of Coal Conversion and Cyclic Economy, Hohhot, 010051, People's Republic of China
| | - Zhenzhu Cao
- School of Chemical Engineering, Inner Mongolia University of Technology, Inner Mongolia Key Laboratory of Theoretical and Computational Chemistry Simulation, National & Local Joint Engineering Research Center of High-Value Utilization of Coal-Based Solid Waste, Institute of Coal Conversion and Cyclic Economy, Hohhot, 010051, People's Republic of China
| | - Yongfeng Zhang
- School of Chemical Engineering, Inner Mongolia University of Technology, Inner Mongolia Key Laboratory of Theoretical and Computational Chemistry Simulation, National & Local Joint Engineering Research Center of High-Value Utilization of Coal-Based Solid Waste, Institute of Coal Conversion and Cyclic Economy, Hohhot, 010051, People's Republic of China
| | - Lin Cheng
- School of Chemical Engineering, Inner Mongolia University of Technology, Inner Mongolia Key Laboratory of Theoretical and Computational Chemistry Simulation, National & Local Joint Engineering Research Center of High-Value Utilization of Coal-Based Solid Waste, Institute of Coal Conversion and Cyclic Economy, Hohhot, 010051, People's Republic of China
| | - Jucai Yang
- School of Chemical Engineering, Inner Mongolia University of Technology, Inner Mongolia Key Laboratory of Theoretical and Computational Chemistry Simulation, National & Local Joint Engineering Research Center of High-Value Utilization of Coal-Based Solid Waste, Institute of Coal Conversion and Cyclic Economy, Hohhot, 010051, People's Republic of China
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13
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Wang X, Hu X, Qu Z, Sun T, Huang L, Xu S. MoS 2@MWCNTs with Rich Vacancy Defects for Effective Piezocatalytic Degradation of Norfloxacin via Innergenerated-H 2O 2: Enhanced Nonradical Pathway and Synergistic Mechanism with Radical Pathway. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26257-26271. [PMID: 38728622 DOI: 10.1021/acsami.4c04152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2024]
Abstract
Molybdenum disulfide (MoS2)-based materials for piezocatalysis are unsatisfactory due to their low actual piezoelectric coefficient and poor electrical conductivity. Herein, 1T/3R phase MoS2 grown in situ on multiwalled carbon nanotubes (MWCNTs) was proposed. MoS2@MWCNTs exhibited the interwoven morphology of thin nanoflowers and tubes, and the piezoelectric response of MoS2@MWCNTs was 4.07 times higher than that of MoS2 via piezoresponse force microscopy (PFM) characterization. MoS2@MWCNTs exhibited superior activity with a 91% degradation rate of norfloxacin (NOR) after actually working 24 min (as for rhodamine B, reached 100% within 18 min) by pulse-mode ultrasonic vibration-triggered piezocatalysis. It was found that piezocatalysis for removing pollutants was attributed to the synergistic effect of free radicals (•OH and O2•-) and nonfree radical (1O2, key role) pathways, together with the innergenerated-H2O2 promoting the degradation rate. 1O2 can be generated by electron transfer and energy transfer pathways. The presence of oxygen vacancies (OVs) induced the transformation of O2 to 1O2 by triplet energy transfer. The fast charge transfer in MoS2@MWCNTs heterostructure and the coexistence of sulfur vacancies and OVs enhanced charge carrier separation resulting in a prominent piezoelectric effect. This work opens up new avenues for the development of efficient piezocatalysts that can be utilized for environmental purification.
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Affiliation(s)
- Xueyao Wang
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Xuyang Hu
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Zhengjun Qu
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Ting Sun
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
- Institute of Eco-Environmental Forensics, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Lihui Huang
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Shimin Xu
- 801 Hydrogeological Engineering Geological Brigade, Shandong Geological and Mineral Exploration and Development Bureau, Jinnan, Shandong 250013, PR China
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14
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Zhang X, Zhang Z, Long K, Yuan H, Sun X. Activities of BiFeO 3/carbon-dots catalysts in piezo-photocatalytic degradation of ciprofloxacin upon light/ultrasonic excitation. ULTRASONICS SONOCHEMISTRY 2024; 103:106770. [PMID: 38241944 PMCID: PMC10831312 DOI: 10.1016/j.ultsonch.2024.106770] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/19/2023] [Accepted: 01/14/2024] [Indexed: 01/21/2024]
Abstract
Designing catalysts that can effectively make use of renewable energy benefits to solve the current challenges of environmental pollution and increasing energy demands. Piezo-photocatalysis that can utilize solar energy and natural vibration-energy has emerged as a "green" technique. In this work, we fabricated BiFeO3/C nano composites that can harvest solar and vibration energies and degrade organic pollutants. The incorporated carbon quantum dots bring about more efficient visible light absorbance and separation of photoinduced electron-hole pairs. The piezoelectric polarization further suppresses the recombination of photoinduced electron-hole pairs. The catalysts own higher reaction rates in piezo-photocatalysis and the BiFeO3/C-0.12 shows the highest degradation efficiency (k-value of 0.0835 min-1).
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Affiliation(s)
- Xiaojian Zhang
- School of Physics and Telecommunication Engineering, Zhoukou Normal University, Zhoukou, 466001, China
| | - Zhiqin Zhang
- School of Physics and Telecommunication Engineering, Zhoukou Normal University, Zhoukou, 466001, China
| | - Kexin Long
- School of Physics and Telecommunication Engineering, Zhoukou Normal University, Zhoukou, 466001, China
| | - Honglei Yuan
- School of Physics and Telecommunication Engineering, Zhoukou Normal University, Zhoukou, 466001, China
| | - Xianke Sun
- School of Physics and Telecommunication Engineering, Zhoukou Normal University, Zhoukou, 466001, China.
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15
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Priyadarshini N, Mansingh S, Das KK, Garg R, Sumit, Parida K, Parida K. Macroscopic Spontaneous Piezopolarization and Oxygen-Vacancy Coupled Robust NaNbO 3/FeOOH Heterojunction for Pharmaceutical Drug Degradation and O 2 Evolution: Combined Experimental and Theoretical Study. Inorg Chem 2024; 63:256-271. [PMID: 38112438 DOI: 10.1021/acs.inorgchem.3c03085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Prompt recombination of photoproduced charges in bulk and surface of a photocatalyst significantly impedes catalytic efficiency. To address these challenges, FeOOH nanorods (NRs) anchored NaNbO3 (NNO) piezoelectric microcubes (MCs) have been fabricated for ciprofloxacin (CIP) degradation and oxygen evolution through water splitting by coupling macroscopic spontaneous piezoelectric polarization and a built-in electric field. The local electric field induced by surface oxygen vacancies (Ovs) and orientation of FeOOH NRs over NNO MCs afford the polarization electric field a significant boost, driving the quick separation/migration of charge carriers from bulk to the surface. The polarized NNO/FeOOH composite with ample Ovs demonstrates an outstanding piezophotocatalytic CIP degradation of 93% in 1 h, higher than pristine materials (NNO and FeOOH), and a high O2 evolution rate of 1155 μmol h-1. The effect of piezoelectric polarization on the catalytic activity is supplemented by theoretical simulations. This work offers an avenue for selective pollutant remediation and water splitting through the rational design of piezoelectric polarization-mediated heterostructure systems with surface Ovs.
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Affiliation(s)
- Newmoon Priyadarshini
- Centre for Nanoscience and Nanotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha 751030, India
| | - Sriram Mansingh
- Centre for Nanoscience and Nanotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha 751030, India
| | - Kundan Kumar Das
- Centre for Nanoscience and Nanotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha 751030, India
| | - Romy Garg
- Quantum Materials and Devices Unit, Institute of Nano Science and Technology, Mohali, Punjab 140306, India
| | - Sumit
- Accelerator Physics and Synchrotrons Utilization Division, Raja Ramanna Centre for Advanced Technology, Indore 452013, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India
| | - Kaushik Parida
- Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur, Uttar Pradesh 247001, India
| | - Kulamani Parida
- Centre for Nanoscience and Nanotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha 751030, India
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16
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Wang K, Guan Z, Liang X, Song S, Lu P, Zhao C, Yue L, Zeng Z, Wu Y, He Y. Remarkably enhanced catalytic performance in CoO x/Bi 4Ti 3O 12 heterostructures for methyl orange degradation via piezocatalysis and piezo-photocatalysis. ULTRASONICS SONOCHEMISTRY 2023; 100:106616. [PMID: 37769589 PMCID: PMC10550776 DOI: 10.1016/j.ultsonch.2023.106616] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 09/20/2023] [Accepted: 09/22/2023] [Indexed: 10/03/2023]
Abstract
A novel heterojunction composite of CoOx/Bi4Ti3O12 was synthesized through a combination of molten salt and photodeposition methods. The optimal sample exhibited superior performance in the piezocatalytic degradation of methyl orange (MO) dye with a degradation rate of 1.09 h-1, which was 2.4 times higher than that of pristine Bi4Ti3O12. Various characterizations were conducted to reveal the fundamental nature accountable for the outstanding piezocatalytic performance of CoOx/Bi4Ti3O12. The investigation of the band structure indicated that the CoOx/Bi4Ti3O12 composite formed a type-I p-n heterojunction structure, with CoOx acting as a hole trapper to effectively separate and transfer piezogenerated carriers. Significantly, the MO degradation rate of the best CoOx/Bi4Ti3O12 sample further increased to 2.96 h-1 under combined ultrasonic vibration and simulated sunlight. The synergy between piezocatalysis and photocatalysis can be ascribed to the following factors. The photoexcitation process ensures the sufficient generation of charge carriers in the CoOx/Bi4Ti3O12, while the piezoelectric field within Bi4Ti3O12 promotes the separation of electron-hole pairs in the bulk phase. Furthermore, the heterojunction structure between Bi4Ti3O12 and CoOx significantly facilitates the surface separation of charge carriers. This increased involvement of free electrons and holes in the reaction leads to a remarkable enhancement in catalytic MO degradation. This work contributes to the understanding of the coupling mechanism between the piezoelectric effect and photocatalysis, and also provides a promising strategy for the development of efficient catalysts for wastewater treatment.
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Affiliation(s)
- Kaiqi Wang
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua 321004, China
| | - Ziying Guan
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua 321004, China
| | - Xiaoya Liang
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua 321004, China
| | - Shuyue Song
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua 321004, China
| | - Pengyu Lu
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua 321004, China
| | - Chunran Zhao
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua 321004, China
| | - Lin Yue
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, Yingbin Road 688, Jinhua 321004, China
| | - Zhihao Zeng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, Yingbin Road 688, Jinhua 321004, China
| | - Ying Wu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, Yingbin Road 688, Jinhua 321004, China.
| | - Yiming He
- Department of Materials Science and Engineering, Zhejiang Normal University, Yingbin Road 688, Jinhua 321004, China; Key Laboratory of Solid State Optoelectronic Devices of Zhejiang province, Zhejiang Normal University, Yingbin Road 688, Jinhua 321004, China.
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17
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Tan L, Sun X, Zhang J, Jin C, Wang F, Liu D. Aurivillius-layered Bi 2WO 6 nanoplates with CoO x cocatalyst as high-performance piezocatalyst for hydrogen evolution. Dalton Trans 2023; 52:14210-14219. [PMID: 37766470 DOI: 10.1039/d3dt02077k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
Developing a high-performance piezocatalyst that directly transforms mechanical energy into hydrogen is highly desirable in the field of new energy. Herein, the Aurivillius-layered Bi2WO6 (BWO) nanoplates are prepared through a hydrothermal reaction at a moderate temperature of 160 °C, and exhibit strong piezoelectric properties, enabling them to catalyze water splitting through ultrasonic-induced piezocatalysis effect. The hydrogen evolution reaction (HER) and H2O2 generation efficiencies are measured to be 0.43 and 0.36 mmol g-1 h-1, respectively. To further boost piezocatalytic performance, cobalt oxide nanoparticles are intentionally photo-deposited onto these nanoplates as cocatalyst. This configuration results in a significantly boosted HER performance with an efficiency of 3.59 mmol g-1 h-1, which is 2.8 times higher than that of pristine nanoplates and demonstrates strong competitiveness compared to other reported piezocatalysts. The cobalt oxide cocatalyst plays a crucial role in facilitating efficient charge separation and migration, increasing the charge concentration, and ultimately enhancing piezocatalytic HER activity. Overall, this work highlights the potential of Aurivillius-layered bismuth oxide compounds as efficient piezocatalysts and provides valuable insights for designing high-performance piezocatalysts in the field of new energy.
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Affiliation(s)
- Lining Tan
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science & Technology, Qingdao 266061, China.
| | - Xinran Sun
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science & Technology, Qingdao 266061, China.
| | - Jintao Zhang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science & Technology, Qingdao 266061, China.
| | - Chengchao Jin
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Fei Wang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science & Technology, Qingdao 266061, China.
| | - Daiming Liu
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science & Technology, Qingdao 266061, China.
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18
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Wang P, Cai W, Yu F, Zhou P, Lin M, Lin C, Lin T, Gao M, Zhao C, Li X, Wu X. Bi 0·5Na 0·5TiO 3/ZnO Z-scheme heterojunction for piezo-photocatalytic water remediation: Mechanical energy harvesting and energy band configuration. CHEMOSPHERE 2023; 338:139548. [PMID: 37467862 DOI: 10.1016/j.chemosphere.2023.139548] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 06/14/2023] [Accepted: 07/15/2023] [Indexed: 07/21/2023]
Abstract
The decaying photocatalytic rate caused by carrier recombination is a thorny problem that has not been properly solved. Improvement of photocatalysis can be achieved through structural innovation, diversification of catalytic modes, or a combination of both. Herein, effective separation of photo-generated carriers in Bi0·5Na0·5TiO3/ZnO composites was achieved by heterojunction construction for energy band regulation and synchronously mechanical energy harvesting from piezoelectric effect. The formation of heterojunctions between Bi0·5Na0·5TiO3 and ZnO was confirmed by electron microscopy and analysis of X-ray photoelectron spectroscopy spectra. The degradation performance of Rhodamine B, a representative industrial dye contaminant, was optimized through the formation of Bi0·5Na0·5TiO3/ZnO heterojunctions and ultrasonic vibration harvesting. Their band structures were described in detail and electrochemical tests were performed to substantiate a novel Z-scheme heterostructure that can explain the carrier separation and transfer processes in catalysis. The piezoelectric polarization field generated by the piezoelectric effect of both Bi0·5Na0·5TiO3 and ZnO coordinates perfectly with the photocatalysis, enabling the piezo-photocatalysis. Our research opens a promising avenue in alleviating charge carrier complexation through heterojunction construction and mechanical strain for future pollutants degradation via catalysis.
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Affiliation(s)
- Peng Wang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Wanqian Cai
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Fangyuan Yu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Ping Zhou
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Mei Lin
- College of Environment Science and Engineering, Fujian Normal University, Fuzhou, 350007, Fujian Province, China.
| | - Cong Lin
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Tengfei Lin
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Min Gao
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Chunlin Zhao
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Xiangqi Li
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Xiao Wu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China.
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19
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Meena S, Sethi M, Meena S, Saini P, Kumar K, Saini S, Shekhawat S, Meena ML, Dandia A, Lin SD, Parewa V. Dopant-driven recombination delay and ROS enhancement in nanoporous Cd 1-xCu xS heterogeneous photocatalyst for the degradation of DR-23 dye under visible light irradiation. ENVIRONMENTAL RESEARCH 2023; 231:116181. [PMID: 37207730 DOI: 10.1016/j.envres.2023.116181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 04/11/2023] [Accepted: 05/15/2023] [Indexed: 05/21/2023]
Abstract
Developing an efficient heterogeneous photocatalyst for environmental remediation and treatment strategies using visible light harvesting processes is promising but challenging. Herein, Cd1-xCuxS materials have been synthesized and characterized by precise analytical tools. Cd1-xCuxS materials exhibited excellent photocatalytic activity for direct Red 23 (DR-23) dye degradation in visible light irradiation. The operational parameters, like dopant concentration, photocatalyst dose, pH, and initial concentration of dye were investigated during the process. The photocatalytic degradation process follows pseudo-first-order kinetics. As compared to other tested materials, 5% Cu doped CdS material revealed superior photocatalytic performance for the degradation of DR-23 (k = 13.96 × 10-3 min-1). Transient absorption spectroscopy, EIS, PL, and transient photocurrent indicated that adding copper to the CdS matrix improved the separation of photo-generated charge carriers by lowering the recombination rate. Spin-trapping experiments recognized the photodegradation primarily based on secondary redox products, i.e., hydroxyl and superoxide radicals. According to by Mott-Schottky curves, photocatalytic mechanism and photo-generated charge carrier density were elucidated regarding dopant-induced valence and conduction bands shifting. Thermodynamic probability of radical formation in line with the altered redox potentials by Cu doping has been discussed in the mechanism. The identification of intermediates by mass spectrometry study also showed a plausible breakdown mechanism for DR-23. Moreover, samples treated with nanophotocatalyst displayed excellent results when tested for water quality metrics such as DO, TDS, BOD, and COD. Developed nanophotocatalyst shows high recyclability with superior heterogeneous nature. 5% Cu-doped CdS also exhibit strong photocatalytic activity for the degradation of colourless pollutant bisphenol A (BPA) under visible light (k = 8.45 × 10-3 min-1). The results of this study offer exciting opportunities to alter semiconductors' electronic band structures for visible-light-induced photocatalytic activity for wastewater treatment.
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Affiliation(s)
- Savita Meena
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan, Jaipur, India
| | - Mukul Sethi
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan, Jaipur, India
| | - Swati Meena
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan, Jaipur, India
| | - Pratibha Saini
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan, Jaipur, India; Friedrich Schiller Univ Jena, Inst Anorgan & Analyt Chem, Humboldt Str 8, D-07743, Jena, Germany
| | - Krishan Kumar
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan, Jaipur, India
| | - Surendra Saini
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan, Jaipur, India
| | - Sumita Shekhawat
- Department of Physics, Kanoria PG Mahila Mahavidyalaya, Jaipur, India
| | - Mohan Lal Meena
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, 10607, Taiwan
| | - Anshu Dandia
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan, Jaipur, India
| | - Shawn D Lin
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, 10607, Taiwan
| | - Vijay Parewa
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan, Jaipur, India.
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20
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Shen C, Wang X, Wei Y, Chen F, Zhuo Z, Cai M, Li M, Sun S. In Situ Growth Facilitating the Piezo-Photocatalytic Effect of Zn 1-xCd xS/ZnO Nanorods for Highly Efficient H 2 Production. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:7328-7336. [PMID: 37196195 DOI: 10.1021/acs.langmuir.3c00423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Photocatalytic H2 production holds promise for alleviating energy and environmental issues. The separation of photoinduced charge carriers plays vital roles in enhancing the activity of photocatalytic H2 production. The piezoelectric effect has been proposed to be effective in facilitating the separation of charge carriers. However, the piezoelectric effect is usually restricted by the noncompact contact between the polarized materials and semiconductors. In this study, Zn1-xCdxS/ZnO nanorod arrays on stainless steel for piezo-photocatalytic H2 production are fabricated by an in situ growth method, achieving an electronic-level contact between Zn1-xCdxS and ZnO. The separation and migration of photogenerated charge carriers in Zn1-xCdxS are significantly improved by the piezoelectric effect induced by ZnO under mechanical vibration. Consequently, under solar and ultrasonic irradiation, the H2 production rate of Zn1-xCdxS/ZnO nanorod arrays achieves 20.96 μmol h-1 cm-2, which is 4 times higher than that under solar irradiation. Such a performance can be attributed to the synergies of the piezoelectric field of bent ZnO nanorods and the built-in electric field of the Zn1-xCdxS/ZnO heterostructure, which efficiently separate the photoinduced charge carriers. This study provides a new strategy to couple polarized materials and semiconductors for highly efficient piezo-photocatalytic H2 production.
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Affiliation(s)
- Cheng Shen
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230601, China
| | - Xue Wang
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230601, China
| | - Yuxue Wei
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230601, China
| | - Fang Chen
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230601, China
| | - Zhenzhen Zhuo
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230601, China
| | - Mengdie Cai
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230601, China
| | - Mengmeng Li
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230601, China
| | - Song Sun
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230601, China
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21
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Liu D, Zhang J, Tan L, Jin C, Li M, Chen B, Zhang G, Zhang Y, Wang F. Enhanced piezocatalytic hydrogen evolution performance of bismuth vanadate by the synergistic effect of facet engineering and cocatalyst engineering. J Colloid Interface Sci 2023; 646:159-166. [PMID: 37187049 DOI: 10.1016/j.jcis.2023.05.040] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 05/02/2023] [Accepted: 05/05/2023] [Indexed: 05/17/2023]
Abstract
Developing piezocatalysts with excellent piezocatalytic hydrogen evolution reaction (HER) performance is highly desired but also challenging. Here, facet engineering and cocatalyst engineering are employed to synergistically improve the piezocatalytic HER efficiency of BiVO4 (BVO). Monoclinic BVO catalysts with distinct exposed facets are synthesized by adjusting pH of hydrothermal reaction. The BVO with highly exposed {110} facet exhibits a superior piezocatalytic HER performance (617.9 μmol g-1h-1) compared with that with {010} facet, owing to the strong piezoelectric property, high charge transfer efficiency, and excellent hydrogen adsorption/desorption capacity. The HER efficiency is enhanced by 44.7% by selectively depositing cocatalyst of Ag nanoparticles specifically on the reductive {010} facet of BVO, where the Ag-BVO interface provides the directional electron transport for high-efficiency charge separation. Under the collaboration between cocatalyst of CoOx on {110} facet and the hole sacrificial agent of methanol, the piezocatalytic HER efficiency is evidently enhanced by 2 times because CoOx and methanol can impede the water oxidation and improve the charge separation. This easy and simple strategy provides an alternative perspective on designing high-performance piezocatalysts.
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Affiliation(s)
- Daiming Liu
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao 266061, P. R. China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao university, Qingdao 266071, P. R. China
| | - Jintao Zhang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao 266061, P. R. China
| | - Lining Tan
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao 266061, P. R. China
| | - Chengchao Jin
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, P. R. China; Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China.
| | - Ming Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, P. R. China
| | - Bingbing Chen
- School of Energy Science and Engineering, Nanjing Tech University, Nanjing 211816, P. R. China
| | - Guodong Zhang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao 266061, P. R. China
| | - Yongtao Zhang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao 266061, P. R. China
| | - Fei Wang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao 266061, P. R. China.
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22
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Tran DD, Vuong HT, Nguyen DV, Ly PP, Minh Phan PD, Khoi VH, Mai PT, Hieu NH. Revisiting the roles of dopants in g-C 3N 4 nanostructures for piezo-photocatalytic production of H 2O 2: a case study of selenium and sulfur. NANOSCALE ADVANCES 2023; 5:2327-2340. [PMID: 37056618 PMCID: PMC10089114 DOI: 10.1039/d2na00909a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
The sustainable production of hydrogen peroxide (H2O2) from oxygen and water has become an exciting research hotspot in the scientific community due to the importance of this fine chemical in various fields. Besides, piezo-photocatalysis is an emerging star for generating H2O2 from these green reagents. For developing catalysts for this specific application, doping heteroatoms into carbon-based materials such as graphitic carbon nitrides (g-C3N4) is a growing fascination among worldwide scientists. However, systematic study on the effects of doping precursors on the catalytic results is still rare. Herein, we fabricated sulfur (S) and selenium (Se) doped g-C3N4 with various doping precursors to evaluate the effects of these agents on the production of H2O2 under light and ultrasound irradiation. Based on the results, Se-doped g-C3N4 gave an outstanding catalytic performance compared to S-doped g-C3N4, even in a significantly low quantity of Se. In order to fully understand the chemical, physical, optical, and electronic properties of pristine g-C3N4 and its derivatives, the as-prepared materials were thoroughly analyzed with various tools. Thus, this study would give more profound insights into doping techniques for carbon-based materials and encourage further research on the design and development of piezo-photocatalysts for practical applications.
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Affiliation(s)
- Dat Do Tran
- VNU-HCM, Key Laboratory of Chemical Engineering and Petroleum Processing (Key CEPP Lab), Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM) Linh Trung Ward, Thu Duc City Ho Chi Minh City Vietnam
| | - Hoai-Thanh Vuong
- VNU-HCM, Key Laboratory of Chemical Engineering and Petroleum Processing (Key CEPP Lab), Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM) Linh Trung Ward, Thu Duc City Ho Chi Minh City Vietnam
- Department of Chemistry and Biochemistry, University of California Santa Barbara (UCSB) Santa Barbara California 93106 USA
| | - Duc-Viet Nguyen
- VNU-HCM, Key Laboratory of Chemical Engineering and Petroleum Processing (Key CEPP Lab), Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM) Linh Trung Ward, Thu Duc City Ho Chi Minh City Vietnam
- School of Chemical Engineering, University of Ulsan Ulsan South Korea
| | - Pho Phuong Ly
- VNU-HCM, Key Laboratory of Chemical Engineering and Petroleum Processing (Key CEPP Lab), Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM) Linh Trung Ward, Thu Duc City Ho Chi Minh City Vietnam
| | - Pham Duc Minh Phan
- VNU-HCM, Key Laboratory of Chemical Engineering and Petroleum Processing (Key CEPP Lab), Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM) Linh Trung Ward, Thu Duc City Ho Chi Minh City Vietnam
| | - Vu Hoang Khoi
- VNU-HCM, Key Laboratory of Chemical Engineering and Petroleum Processing (Key CEPP Lab), Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM) Linh Trung Ward, Thu Duc City Ho Chi Minh City Vietnam
- School of Chemical Engineering, University of Ulsan Ulsan South Korea
| | - Phong Thanh Mai
- VNU-HCM, Key Laboratory of Chemical Engineering and Petroleum Processing (Key CEPP Lab), Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM) Linh Trung Ward, Thu Duc City Ho Chi Minh City Vietnam
| | - Nguyen Huu Hieu
- VNU-HCM, Key Laboratory of Chemical Engineering and Petroleum Processing (Key CEPP Lab), Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM) Linh Trung Ward, Thu Duc City Ho Chi Minh City Vietnam
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23
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Rahaman M, Ahmed MH, Sadman SM, Islam MR. Defect mediated visible light induced photocatalytic activity of Co 3O 4 nanoparticle decorated MoS 2 nanoflower: A combined experimental and theoretical study. Heliyon 2023; 9:e14536. [PMID: 36950618 PMCID: PMC10025921 DOI: 10.1016/j.heliyon.2023.e14536] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/08/2023] [Accepted: 03/09/2023] [Indexed: 03/14/2023] Open
Abstract
In this work, Co3O4 nanoparticle-decorated MoS2 (MoS2@Co3O4) hetero-nanoflowers were synthesized by a facile hydrothermal method, and the effect of Co3O4 on the morphological, structural, optical, electronic, and photocatalytic properties of MoS2 was analyzed. The surface morphology of MoS2 and MoS2@Co3O4 was studied via field emission electron microscopy (FE-SEM) and transmission electron microscopy (TEM), which revealed a strong interaction between the MoS2 nanoflower and the nanoparticles. The X-ray diffraction pattern showed a decrease in the crystallite sizes from 7.35 nm to 6.26 nm due to the incorporation of Co3O4. The UV-Vis spectroscopy of the analysis revealed that the indirect band gap of MoS2 was reduced from 1.89 eV to 1.65 eV with the incorporation of Co3O4 nanoparticles. Density functional theory (DFT) calculations were used to investigate the electronic properties of MoS2 and MoS2@Co3O4 hetero-nanoflowers, which also showed a reduction in the electronic band gap for the Co3O4 nanoparticles that were injected. The presence of defect states was also observed in the electronic property of MoS2@Co3O4. The photocatalytic activity of the prepared composite and nanoflower is studied using an aqueous solution of methylene blue (MB), and the efficiencies are found to be 27.96% for MoS2 and 78.89% for MoS2@Co3O4. The improved photocatalytic efficiency of MoS2@Co3O4 hetero-nanoflower can be attributed to narrowing the band gap together with the creation of defect states by the injection of nanoparticles that slows down electron-hole recombination rate by trapping charge carrier. The degradation analysis of the composite provides a new route for the purification of polluted water.
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Affiliation(s)
- Mizanur Rahaman
- Department of Physics, Bangladesh University of Engineering and Technology (BUET), Dhaka, Bangladesh
| | - Md Hasive Ahmed
- Department of Physics, Bangladesh University of Engineering and Technology (BUET), Dhaka, Bangladesh
| | | | - Muhammad Rakibul Islam
- Department of Physics, Bangladesh University of Engineering and Technology (BUET), Dhaka, Bangladesh
- Corresponding author.
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24
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Trung LG, Nguyen MK, Hang Nguyen TD, Tran VA, Gwag JS, Tran NT. Highly efficient degradation of reactive black KN-B dye by ultraviolet light responsive ZIF-8 photocatalysts with different morphologies. RSC Adv 2023; 13:5908-5924. [PMID: 36816065 PMCID: PMC9936357 DOI: 10.1039/d2ra08312d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 02/10/2023] [Indexed: 02/19/2023] Open
Abstract
Zeolitic imidazolate framework ZIF-8, a type of metal-organic framework, has diverse applications in multiple catalytic fields due to its outstanding properties. Herein, ZIF-8 photocatalysts with three different morphologies (dodecahedral, pitaya-like, and leaf-like) are successfully synthesized under ambient conditions from zinc salts by altering the volume ratio of methanol and water used as a solvent. The as-synthesized ZIFs have high crystallinity with distinct BET surface areas. The experiments indicate that the ZIFs have high photocatalytic efficiency, in which the leaf-like structure (ZIF-8-F3) is the most efficient in the degradation of reactive black KN-B dye (RB5) under 365 nm UV irradiation. This is due to the efficient inhibition of electron-hole recombination or the higher migration of charge carriers in ZIF-8-F3, thus producing more reactive oxygen species, resulting in greater photocatalytic efficiency. At pH = 11, more than 95% of RB5 is degraded within 2 hours when using 1.0 g L-1 of ZIF-8-F3. Besides, the photocatalytic and kinetic performances of ZIF-8-F3 are also investigated by optimizing the pH, initial RB5 concentration, and dosage of the used catalyst. These ZIF-8-F3 plates have been shown to be a promising material with high photostability and effective reusability, beneficial to various potential applications in environmental remediation issues.
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Affiliation(s)
- Le Gia Trung
- Department of Physics, Yeungnam University Gyeongsan Gyeongbuk 38541 Republic of Korea
| | - Minh Kim Nguyen
- College of Pharmacy, Chungnam National UniversityYuseongDaejeon 34134Republic of Korea
| | - Thi Dieu Hang Nguyen
- The University of Da Nang, University of Science and Technology (DUT)54 Nguyen Luong BangDa Nang550000Vietnam
| | - Vy Anh Tran
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh UniversityHo Chi Minh City 700000Vietnam,Faculty of Environmental and Food Engineering, Nguyen Tat Thanh UniversityHo Chi Minh City 700000Vietnam
| | - Jin Seog Gwag
- Department of Physics, Yeungnam University Gyeongsan Gyeongbuk 38541 Republic of Korea
| | - Nguyen Tien Tran
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University 03 Quang Trung Da Nang 550000 Vietnam .,Faculty of Natural Sciences, Duy Tan University 03 Quang Trung Da Nang 550000 Vietnam
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