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Zhang L, Jiang Z, Guo J, Zhang C, Xu X, Shi D, Shao Y, Ai Z, Wu Y, Hao X. Deep insight into regulation mechanism of band distribution in phase junction CdS for enhanced photocatalytic H 2 production. J Colloid Interface Sci 2024; 669:146-156. [PMID: 38713954 DOI: 10.1016/j.jcis.2024.04.213] [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: 02/16/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/09/2024]
Abstract
An in-depth understanding of structure-activity relationship between the phase constitution and solar-to-hydrogen (STH) conversion efficiency is conducive to guiding the optimization route of targeted photocatalyst candidates, further establishing advanced photocatalytic systems. Herein, based on the concept of phase engineering, we encompassed the crystalline phase of CdS and achieved precise regulation of phase proportion as well as phase boundary width in the phase junction for the first time. The above cooperative effect not only modifies energy band distribution for sufficient redox potentials, but also guarantees the reverse migration orientation of photogenerated carriers in phase junction, thereby endowing photocarriers with a prolonged lifetime. Compared to pure cubic or hexagonal phase (72.6 or 101.1 μmol h-1 g-1), this CdS system with optimized phase junction demonstrates an improved photocatalytic hydrogen evolution activity of 1.04 mmol h-1 g-1 and favorable stability without cocatalyst assistance, which mainly stems from an efficient protons reduction process interacting with long-lived photogenerated electrons. This research explores the mechanism behind phase regulation and its relationship with junction capability, providing a powerful strategy to manipulate crystal phase distribution and paving a feasible avenue for other phase-dependent photocatalysts towards rational design of heterostructures based on different phases in solar energy conversion field.
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Affiliation(s)
- Lei Zhang
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Zhiyuan Jiang
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Jingru Guo
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Chao Zhang
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Xiaolong Xu
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Dong Shi
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Yongliang Shao
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Zizheng Ai
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China.
| | - Yongzhong Wu
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Xiaopeng Hao
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China.
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Qu X, Li M, Mu H, Jin B, Song M, Zhang K, Wu Y, Li L, Yu Y. Facile Fabrication of Lilac-Like Multiple Self-Supporting WO 3 Nanoneedle Arrays with Cubic/Hexagonal Phase Junctions for Highly Sensitive Ethylene Glycol Gas Sensors. ACS Sens 2024; 9:3604-3615. [PMID: 39016238 DOI: 10.1021/acssensors.4c00600] [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] [Indexed: 07/18/2024]
Abstract
Metal oxides with nanoarray structures have been demonstrated to be prospective materials for the design of gas sensors with high sensitivity. In this work, the WO3 nanoneedle array structures were synthesized by a one-step hydrothermal method and subsequent calcination. It was demonstrated that the calcination of the sample at 400 °C facilitated the construction of lilac-like multiple self-supporting WO3 arrays, with appropriate c/h-WO3 heterophase junction and highly oriented nanoneedles. Sensors with this structure exhibited the highest sensitivity (2305) to 100 ppm ethylene glycol at 160 °C and outstanding selectivity. The enhanced ethylene glycol gas sensing can be attributed to the abundant transport channels and active sites provided by this unique structure. In addition, the more oxygen adsorption caused by the heterophase junction and the aggregation of reaction medium induced by tip effect are both in favor of the improvement on the gas sensing performance.
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Affiliation(s)
- Xiaohan Qu
- College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
| | - Mingchun Li
- College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
| | - Hanlin Mu
- College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
| | - Bingbing Jin
- College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
| | - Minggao Song
- College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
| | - Kunlong Zhang
- College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
| | - Yusheng Wu
- College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
| | - Laishi Li
- College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
| | - Yan Yu
- College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
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Qian X, Xu Y, Xu Y. Bacterial cellulose based TiO 2-CdS nanocomposite gel with enhanced photocatalytic activity for adsorptive degradation of cationic dye. Int J Biol Macromol 2024; 259:127873. [PMID: 37926309 DOI: 10.1016/j.ijbiomac.2023.127873] [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: 04/24/2023] [Revised: 09/07/2023] [Accepted: 11/01/2023] [Indexed: 11/07/2023]
Abstract
Dye released by industrial is one of the main known pollutants in wastewater, which is harmfully affected to the human health. Adsorptive method by absorbents and photocatalytic degradation technique are advanced technologies to remove dyes from wastewater. However, the single technique mentioned above has imperfections limiting its application. Herein, in order to integrate the two techniques and take both advantages, bacterial cellulose (BC) based titanium dioxide (TiO2)‑cadmium sulfide (CdS) nanocomposite gel was prepared by microwave-assisted solvothermal synthesis. The BC@TiO2-CdS nanocomposite gel was characterized by SEM, EDS, XRD, XPS, Raman spectral and TG, its photocatalytic mechanism was proved by PL. The results showed the TiO2-CdS nanophotocatalyst exhibited binary hierarchical structure and followed the Z-scheme type photocatalytic system. The Z-scheme heterojunction is advantageous for photo-generated charge separation and migration. The photocatalytic performance of BC@TiO2-CdS nanocomposite gel was evaluated by MB degradation under visible light irradiation. Due to synergistic effect of BC matrix and TiO2-CdS, the as-prepared BC@TiO2-CdS nanocomposite gel possesses enhanced photocatalytic activity with 94.47 % removal of methylene blue (MB) after 180 min visible light irradiation. Therefore, this work provides a facile route to fabricate bio-mass based efficient nanophotocatalytic material for pretreating the water pollution.
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Affiliation(s)
- Xin Qian
- Shaanxi University of Science and Technology, Xi'an 710021, Shaanxi, China; National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, China; Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, China.
| | - Yongjian Xu
- Shaanxi University of Science and Technology, Xi'an 710021, Shaanxi, China; Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, China; Key Laboratory of Paper Based Functional Materials, China National Light Industry, China.
| | - Yang Xu
- Shaanxi University of Science and Technology, Xi'an 710021, Shaanxi, China; National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, China
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Ke X, Tang C, Xiong R, Xiao Y, Cheng B, Lei S. Three-Dimensional Multihierarchical Hexagonal/Cubic ZnIn 2S 4 S-Scheme Heterophase Junction for Superior Photocatalysis. Inorg Chem 2024; 63:2157-2173. [PMID: 38206809 DOI: 10.1021/acs.inorgchem.3c04102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
It is an important strategy to design composite materials with a special microstructure and a tunable electronic structure through structural compatibility. In this work, a novel hexagonal/cubic ZnIn2S4 polymorphic heterophase junction with a three-dimensional multihierarchical structure is successfully constructed by in situ growth of hexagonal ZnIn2S4 nanosheets on the surface of cubic ZnIn2S4 flower-like microspheres prepared by topological chemical synthesis. On the one hand, the multihierarchical architecture provides large specific surface area, abundant active sites, and excellent light trapping capability. On the other hand, the construction of a direct S-scheme heterophase junction enables the formation of a special charge-transfer channel under the force of a built-in electric field, which not only improves the separation efficiency of carriers but also ensures the stronger reaction activity of charges. The prepared ZnIn2S4 heterophase junction composite photocatalyst exhibits greatly boosted photocatalytic efficiency in rhodamine B degradation, hexavalent chromium reduction, and water splitting for hydrogen production, which are 12.3, 6.5, and 3.1 times higher than that of pure hexagonal ZnIn2S4 and 8.1, 5.1, and 2.3 times higher than that of pure cubic ZnIn2S4, respectively, demonstrating its significant potential for applications in energy and environmental fields.
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Affiliation(s)
- Xiaoxue Ke
- School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Changcun Tang
- School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Renzhi Xiong
- School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Yanhe Xiao
- School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Baochang Cheng
- School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Shuijin Lei
- School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
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Kumar N, Kumari M, Ismael M, Tahir M, Sharma RK, Kumari K, Koduru JR, Singh P. Graphitic carbon nitride (g-C 3N 4)-assisted materials for the detection and remediation of hazardous gases and VOCs. ENVIRONMENTAL RESEARCH 2023; 231:116149. [PMID: 37209982 DOI: 10.1016/j.envres.2023.116149] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 03/22/2023] [Accepted: 05/13/2023] [Indexed: 05/22/2023]
Abstract
Graphitic carbon nitride (g-C3N4)-based materials are attracting attention for their unique properties, such as low-cost, chemical stability, facile synthesis, adjustable electronic structure, and optical properties. These facilitate the use of g-C3N4 to design better photocatalytic and sensing materials. Environmental pollution by hazardous gases and volatile organic compounds (VOCs) can be monitored and controlled using eco-friendly g-C3N4- photocatalysts. Firstly, this review introduces the structure, optical and electronic properties of C3N4 and C3N4 assisted materials, followed by various synthesis strategies. In continuation, binary and ternary nanocomposites of C3N4 with metal oxides, sulfides, noble metals, and graphene are elaborated. g-C3N4/metal oxide composites exhibited better charge separation that leads to enhancement in photocatalytic properties. g-C3N4/noble metal composites possess higher photocatalytic activities due to the surface plasmon effects of metals. Ternary composites by the presence of dual heterojunctions improve properties of g-C3N4 for enhanced photocatalytic application. In the later part, we have summarised the application of g-C3N4 and its assisted materials for sensing toxic gases and VOCs and decontaminating NOx and VOCs by photocatalysis. Composites of g-C3N4 with metal and metal oxide give comparatively better results. This review is expected to bring a new sketch for developing g-C3N4-based photocatalysts and sensors with practical applications.
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Affiliation(s)
- Naveen Kumar
- Department of Chemistry, Maharshi Dayanand University, Rohtak, 124001, India.
| | - Monika Kumari
- Department of Chemistry, Maharshi Dayanand University, Rohtak, 124001, India
| | - Mohammed Ismael
- Electrical energy storage system, Gottfried Wilhelm Leibniz Universität Hannover, Welfengarten 1, 30167, Hannover, Germany
| | - Muhammad Tahir
- Chemical and Petroleum Engineering Department, UAE University, P.O. Box 15551, Al Ain, United Arab Emirates
| | | | - Kavitha Kumari
- Baba Mastnath University, Asthal Bohar, Rohtak, 124001, India
| | - Janardhan Reddy Koduru
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, South Korea
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
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Yang Q, Lin W, Duan Z, Xu S, Chen J, Mai X. Bismuth-doped g-C 3N 4/ZIF-8 heterojunction photocatalysts with enhanced photocatalytic performance under visible light illumination. ENVIRONMENTAL TECHNOLOGY 2023; 44:1156-1168. [PMID: 34704540 DOI: 10.1080/09593330.2021.1996467] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 10/07/2021] [Indexed: 06/13/2023]
Abstract
In this work, g-C3N4/ZIF-8 heterojunction photocatalysts were synthesised by the process by which the metal-organic framework ZIF-8 nanoparticles were grown onto the g-C3N4 layer in situ. Bismuth element was doped into the as-prepared g-C3N4/ZIF-8 material and a new type of Bi@g-C3N4/ZIF-8 composite photocatalysts was manufactured, in which the doping element acts in adjusting the bandgap in the photocatalysts. The prepared photocatalysts were characterised by XRD, FESEM, TEM, FTIR, XPS, UV-VIS DRS, photoluminescence and photo-electrochemical experiments. The results show that the ZIF-8 nanoparticles grown in situ were well-formed onto the g-C3N4 layer, and bismuth was evenly doped into the gaps of the g-C3N4/ZIF-8 framework. The degradation rate of methylene blue by CNZ-1.5(Bi)-12, which was a photocatalyst composed of 12% Bi-doped with g-C3N4/ZIF-8 material (the mass ratio of g-C3N4: ZIF-8 = 1:1.5), reached 86.6% under visible light irradiation within 60 min. The free radical scavenging experiment and electron spin resonance spectroscopy showed that ∙OH was the main active substance. Bismuth doping into the photocatalytic system promotes the excitation of electrons from the valence band to the conduction band and provides a good channel for the transmission of photogenerated carriers as well. It is achieved that intensive visible light absorption, the enhanced separation efficiency of photogenerated carriers, and excellent thermal stability and high recyclability in the novel composite photocatalyst, owing to the synergistic effect of the introduced bismuth with the heterostructure of g-C3N4/ZIF-8. Therefore, the synthesised Bi@g-C3N4/ZIF-8 heterojunction photocatalysts may be used as a good photocatalyst for purifying and degrading organic matter in sewage.
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Affiliation(s)
- Qian Yang
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Wensong Lin
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Zhichang Duan
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Sen Xu
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Junnan Chen
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Xin Mai
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
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Zheng Z, Huang Y, Xiang C, Seo HJ. Improved photocatalytic performance of Nb4TeO12 particles by the surface depositing α-Bi2O3. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Jin H, You W, Tian K, Kong E, Ye X, Wang Y, Ye J. Construction of TiO 2(B)/Anatase Heterophase Junctions via a Water-Induced Phase Transformation Strategy for Enhanced Photocatalytic Hydrogen Production. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:15282-15293. [PMID: 36443246 DOI: 10.1021/acs.langmuir.2c02522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The development of facile and green solution-phase routes toward the fabrication of TiO2-based heterophase junctions with a delicate control of phase and structure is a challenging task. Herein, we report a simple and convenient method to controllably fabricate TiO2(B)/anatase heterophase junctions, which was successfully realized by utilizing the ideal great solvent of water to treat the presynthesized TiO2(B) nanosheet precursor at a low temperature of 80 °C. On the basis of phase structure transformation and morphology evolution data, the formation of these TiO2(B)/anatase heterophase junctions was reasonably explained by a novel water-induced TiO2(B) → anatase phase transformation mechanism. Benefiting from the desirable structural and photoelectronic advantages of more exposed active sites, enhanced light absorbance, and promoted separation of photogenerated electron-hole pairs, the thus-transformed TiO2(B)/anatase heterophase junctions exhibit fascinating photocatalytic performance in water splitting. Specifically, with the help of Pt as a cocatalyst and methanol as a sacrificial agent, the H2 production rate of optimized TiO2(B)/anatase heterophase junction reaches 6.92 mmol·g-1·h-1, which is almost 7.1 and 2.1 times higher than those of the pristine TiO2(B) nanosheets and the final anatase nanocrystals. More interestingly, the TiO2(B)/anatase heterophase junction also delivers prominent activity toward pure water splitting to simultaneously produce H2 and H2O2, with evolution rates of up to 1.10 and 0.55 mmol·g-1·h-1, respectively. Our work may advance the facile green solvent-mediated synthesis of metal oxide-based heterophase junctions for applications in energy- and environmental-related areas.
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Affiliation(s)
- Haoran Jin
- Department of Chemistry, College of Science, Huazhong Agricultural University, Wuhan430070, China
| | - Wuyang You
- Department of Chemistry, College of Science, Huazhong Agricultural University, Wuhan430070, China
| | - Kaidan Tian
- Department of Chemistry, College of Science, Huazhong Agricultural University, Wuhan430070, China
| | - Ershuai Kong
- Department of Chemistry, College of Science, Huazhong Agricultural University, Wuhan430070, China
| | - Xiaozhou Ye
- Department of Chemistry, College of Science, Huazhong Agricultural University, Wuhan430070, China
| | - Yun Wang
- Department of Chemistry, College of Science, Huazhong Agricultural University, Wuhan430070, China
| | - Jianfeng Ye
- Department of Chemistry, College of Science, Huazhong Agricultural University, Wuhan430070, China
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Du P, Niu P, Yang Y, Chen R, Yin LC, Fan F, Liu G. Constructing Anatase-Brookite TiO 2 Phase Junction by Thermal Topotactic Transition to Promote Charge Separation for Superior Photocatalytic H 2 Generation. J Phys Chem Lett 2022; 13:4244-4250. [PMID: 35522045 DOI: 10.1021/acs.jpclett.2c00964] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Phase junctions of photocatalysts can promote the separation of photogenerated charge carriers for efficient utilization of the carriers. Construction of phase junctions and establishing their structure-performance relationship are still required. Herein, polycrystalline TiO2 decahedral plates with different phases were synthesized by thermal treatment-induced topotactic transition of titanium oxalate crystals. The phase of TiO2 evolved from pure anatase to anatase-brookite, anatase-brookite-rutile, and then to anatase-rutile, while the morphology of the decahedral plates was well maintained. The biphase anatase-brookite was found to be most efficient in photocatalytic hydrogen generation. Specifically, the hydrogen generation rate of the biphase anatase-brookite TiO2 was nearly 2.4 times greater than that of the biphase anatase-rutile TiO2. The spatially resolved surface photovoltage measurements indicate the more efficient separation of photogenerated charge carriers and thus greater photocatalytic activity of the former. This work provides a strategy for developing efficient phase-junction photocatalysts.
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Affiliation(s)
- Peipei Du
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China
| | - Ping Niu
- School of Metallurgy, Northeastern University, 3-11 Wenhua Road, Shenyang 110819, China
| | - Yongqiang Yang
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China
| | - Ruotian Chen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Zhongshan Road 457, Dalian 116023, China
| | - Li-Chang Yin
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China
| | - Fengtao Fan
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Zhongshan Road 457, Dalian 116023, China
| | - Gang Liu
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, 72 Wenhua Road, Shenyang 110016, China
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Khosravi F, Gholinejad M, Sansano JM, Luque R. Low-amount palladium supported on Fe-Cu MOF: Synergetic effect between Pd, Cu and Fe in Sonogashira-Hagihara coupling reaction and reduction of organic dyes. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Photocatalytic Filtration of Zinc Oxide-Based Membrane with Enhanced Visible Light Responsiveness for Ibuprofen Removal. Catalysts 2022. [DOI: 10.3390/catal12020209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/10/2022] Open
Abstract
The growing interest in mixed matrix membranes (MMMs) for developing photocatalytic membranes has provided a new direction in the search for efficient methods to concurrently separate and degrade contaminants. In this study, a visible light-responsive photocatalyst was blended into a polyvinylidene fluoride (PVDF) membrane casting solution to prepare PVDF-ZnO/Ag2CO3/Ag2O MMMs using the wet phase inversion method. The potential of ZnO/Ag2CO3/Ag2O as a photocatalytic component that is incorporated into the membrane was explored in detail under various loadings (0.5–2.91 wt%). The membranes were tested under ibuprofen (IBF) aqueous solution to analyze the membrane behavior in the synergistic combination of membrane filtration and photodegradation. The resulting PVDF-ZnO/Ag2CO3/Ag2O membrane with a rougher membrane surface area and excellent light harvesting capability showed higher photocatalytic filtration activity in removing IBF under visible light irradiations. The MMM fluxes demonstrated higher IBF fluxes than their initial fluxes at certain durations. This indicates that the membrane actively responds to light irradiation. The increase in the positive flux could be attributed to the photoinduced hydrophilicity generated by the ZnO/Ag2CO3/Ag2O photocatalyst, resulting in easier water layer formation and rapid transport through membranes. The highest IBF removal was demonstrated by the PVDF‑ZAA2 membrane (1.96 wt% loading), with 49.96% of IBF removal within 180 min upon visible light irradiation. The reason for this lower IBF removal is that the UF membrane pores exceed the size of IBF molecules, thereby preventing the size exclusion mechanism. Thus, charge repulsion, hydrophobic adsorption, and photocatalytic activity were considered along with the IBF removal of the photocatalytic membranes. However, the recyclability of the PVDF‑ZAA2 photocatalytic membrane showed a great improvement, with 99.01% of IBF removal recovery after three cycles. These results highlight the potential of such hybrid membranes in mitigating membrane fouling by providing a platform for photocatalysts to continuously degrade pollutants present in such wastewaters. Therefore, the hybridization of a photocatalyst and membrane provides insight that could be utilized to improve and retrofit current water effluent treatment methods.
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Görmez Ö, Yakar E, Gözmen B, Kayan B, Khataee A. CoFe 2O 4 nanoparticles decorated onto graphene oxide and graphitic carbon nitride layers as a separable catalyst for ultrasound-assisted photocatalytic degradation of Bisphenol-A. CHEMOSPHERE 2022; 288:132663. [PMID: 34710453 DOI: 10.1016/j.chemosphere.2021.132663] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 10/18/2021] [Accepted: 10/23/2021] [Indexed: 06/13/2023]
Abstract
The advanced oxidation process (AOP) through ultrasound-assisted photocatalytic degradation has attracted much attention in removing emerging contaminants. Herein, CoFe2O4-GO and CoFe2O4-g-C3N4 nanocomposites were synthesized using the ultrasound-assisted co-precipitation method. TEM, XRD, XPS, EDS, SEM, and FT-IR techniques characterized the structural, morphological, and chemical properties of the synthesized nanocomposites. The analyses showed that CoFe2O4 structure was nano-sized and distributed more homogeneously in graphene oxide (GO) layers with oxygenated functional groups than graphitic carbon nitride (g-C3N4). While the efficiency of composite catalysts, as photocatalysts, for degradation of bisphenol-A (BPA) was low in the visible region in the presence of persulfate, their catalytic efficacy was higher with sonolytic activation. The addition of persulfate as an oxidant remarkably enhanced the target pollutant degradation and TOC removal of BPA solution. Both composite catalysts showed 100 % BPA removal with the synergistic effect of visible region photocatalytic oxidation and sonocatalytic oxidation in the presence of persulfate at pH 6.8. In ultrasound-assisted photocatalytic oxidation of BPA, the highest mineralization efficiencies were obtained at 2 h treatment time, pH 6.8, 16 mM PS, catalyst dosages of 0.1 g/L CoFe2O4-GO, and 0.4 g/L CoFe2O4-g-C3N4 as 62 % and 55 %, respectively. An effective catalyst was obtained by reducing e-/h+ recombination and charge transfer resistance by decorating the GO layers with CoFe2O4.
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Affiliation(s)
- Özkan Görmez
- Department of Chemistry, Arts and Science Faculty, Mersin University, 33343, Mersin, Turkey
| | - Ezgi Yakar
- Department of Chemistry, Arts and Science Faculty, Mersin University, 33343, Mersin, Turkey
| | - Belgin Gözmen
- Department of Chemistry, Arts and Science Faculty, Mersin University, 33343, Mersin, Turkey
| | - Berkant Kayan
- Department of Chemistry, Arts and Science Faculty, Aksaray University, 68100, Aksaray, Turkey
| | - Alireza Khataee
- Department of Environmental Engineering, Gebze Technical University, 41400, Gebze, Turkey; Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran.
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Computational modeling of green hydrogen generation from photocatalytic H2S splitting: Overview and perspectives. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C: PHOTOCHEMISTRY REVIEWS 2021. [DOI: 10.1016/j.jphotochemrev.2021.100456] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Chen J, Wang K, Tian J, Yu W, Chen Y, Li N, Qi Z, Wang C. Preparation of BiOCl/Bi 2WO 6 Photocatalyst for Efficient Fixation on Cotton Fabric: Applications in UV Shielding and Self-Cleaning Performances. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7002. [PMID: 34832402 PMCID: PMC8623855 DOI: 10.3390/ma14227002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/13/2021] [Accepted: 11/15/2021] [Indexed: 11/17/2022]
Abstract
In this work, a visible-light-driven BiOCl/Bi2WO6 photocatalyst was obtained via a facile hydrothermal method and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive spectrometry (EDS), X-ray photoelectron spectroscopy (XPS), ultraviolet/visible light diffuse reflection spectroscopy (UV/Vis), and photocurrent (PC). BiOCl/Bi2WO6 was modified with (3-chloro-2-hydroxypropyl) trimethyl ammonium chloride to obtain the cationized BiOCl/Bi2WO6. Cotton fabric was pretreated with sodium hydroxide (NaOH) and sodium chloroacetate solution to obtain carboxymethylated cotton fabric, which was further reacted with cationized BiOCl/Bi2WO6 to achieve finished cotton fabric. The cotton fabrics were characterized by Fourier-transform infrared spectroscopy (FT-IR), XRD, SEM, and EDS. The photocatalytic activity of the BiOCl/Bi2WO6 photocatalyst and cotton fabrics was assessed by photocatalytic degradation of MB (methylene blue) solution under simulated visible light. The self-cleaning property of cotton fabrics was evaluated by removing MB solution and red-wine stains. Results revealed that the coated cotton fabrics exhibited appreciable photocatalytic and self-cleaning performance. In addition, anti-UV studies showed that the finished cotton fabrics had remarkable UV blocking properties in the UVA and UVB regions. Therefore, the finished cotton fabric with BiOCl/Bi2WO6 can provide a framework for the development of multifunctional textiles.
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Affiliation(s)
- Jiayi Chen
- College of Textile and Clothing, Yancheng Institute of Technology, Yancheng 224051, China; (J.C.); (K.W.); (J.T.); (W.Y.); (Y.C.); (N.L.); (Z.Q.)
| | - Kuang Wang
- College of Textile and Clothing, Yancheng Institute of Technology, Yancheng 224051, China; (J.C.); (K.W.); (J.T.); (W.Y.); (Y.C.); (N.L.); (Z.Q.)
- School of Textile Science and Engineering, Jiangnan University, Wuxi 214122, China
| | - Jialong Tian
- College of Textile and Clothing, Yancheng Institute of Technology, Yancheng 224051, China; (J.C.); (K.W.); (J.T.); (W.Y.); (Y.C.); (N.L.); (Z.Q.)
| | - Wenhui Yu
- College of Textile and Clothing, Yancheng Institute of Technology, Yancheng 224051, China; (J.C.); (K.W.); (J.T.); (W.Y.); (Y.C.); (N.L.); (Z.Q.)
- School of Textile and Clothing, Nantong University, Nantong 226019, China
| | - Yujie Chen
- College of Textile and Clothing, Yancheng Institute of Technology, Yancheng 224051, China; (J.C.); (K.W.); (J.T.); (W.Y.); (Y.C.); (N.L.); (Z.Q.)
- School of Textile and Clothing, Nantong University, Nantong 226019, China
| | - Na Li
- College of Textile and Clothing, Yancheng Institute of Technology, Yancheng 224051, China; (J.C.); (K.W.); (J.T.); (W.Y.); (Y.C.); (N.L.); (Z.Q.)
| | - Zhenming Qi
- College of Textile and Clothing, Yancheng Institute of Technology, Yancheng 224051, China; (J.C.); (K.W.); (J.T.); (W.Y.); (Y.C.); (N.L.); (Z.Q.)
| | - Chunxia Wang
- College of Textile and Clothing, Yancheng Institute of Technology, Yancheng 224051, China; (J.C.); (K.W.); (J.T.); (W.Y.); (Y.C.); (N.L.); (Z.Q.)
- School of Textile and Clothing, Nantong University, Nantong 226019, China
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15
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Synthesis and Characterization of Sn/Ni Single Doped and Co–Doped Anatase/Rutile Mixed–Crystal Nanomaterials and Their Photocatalytic Performance under UV–Visible Light. Catalysts 2021. [DOI: 10.3390/catal11111341] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Pure and Sn/Ni co–doped TiO2 nanomaterials with anatase/rutile mixed crystal were prepared and characterized. The results show that pure TiO2 is a mixed crystal structure composed of a large amount of anatase and a small amount of rutile. Sn doping promotes the phase transformation from anatase to rutile, while Ni doping inhibits the transformation. Both single doping and co–doping are beneficial to the inhibition of photoinduced charge recombination. Sn doping shows the best inhibitory effect on photogenerated charge recombination, and increases the utilization of visible light, displaying the highest photocatalytic activity. The decolorization degree of methylene blue (MB) by Sn–TiO2 is 79.5% after 150 min. The reaction rate constant of Sn–TiO2 is 0.01022 min−1, which is 5.6 times higher than pure TiO2 (0.00181 min–1).
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16
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One-step hydrothermal synthesis of N-S-GQDs/Bi2S3 microrods with highly photocatalytic performance for Cr(VI) reduction. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127109] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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17
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Wang J, Lin W, Dong M, Xing Y, Zhang Q. Facile synthesize of CdS QDs decorated Bi 2MoO 6/Bi 2Mo 3O 12 heterojunction photocatalysts and enhanced performance of visible light removal of organic pollutants. ENVIRONMENTAL TECHNOLOGY 2021; 42:3581-3594. [PMID: 32216539 DOI: 10.1080/09593330.2020.1737243] [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: 11/25/2019] [Accepted: 02/20/2020] [Indexed: 06/10/2023]
Abstract
In this work, the CdS quantum dots (QDs) decorated Bi2MoO6/Bi2Mo3O12 (BMO) heterojunction photocatalyst (C/BMO) has been successfully synthesized using a facile two-step hydrothermal method. The as-prepared photocatalysts were characterized by XRD, FTIR, XPS, FESEM, TEM, UV-vis DRS, PL and photoelectrochemical measurements to investigate the effects of CdS(QDs) and BMO heterojunction on the structure, morphology, optical and charge carrier transmission characteristics of the photocatalysts. Narrow band gap and superior catalytic activities were found in C/BMO as compared with pure BMO. Moreover, the C/BMO photocatalyst containing twice CdS content (2-C/BMO) exhibits even higher photocatalytic activity and stability. After exposure to visible light for 30 min, the degradation rate of Rhodamine B (RhB), Methylene blue (MB) and Ofloxacin (OFX) by 2-C/BMO reached 95%, 92% and 76%, respectively. Radicals scavenging experiments and electron spin-resonance spectroscopy (ESR) investigations indicated that the superoxide radical anions (∙O2- ), hole (h+) and hydroxyl radicals (•OH) are the dominating active species in the photodegradation processes. ∙O2- and h+ are the key factors in the degradation of RhB and OFX solutions, and •OH is the major determinant in removal of MB. The process and photocatalytic mechanism on 2-C/BMO was discussed. Well absorption of visible light, effective separation of photoelectron-hole pairs and the transportation of photogenerated carriers at the interfaces of ternary semiconductor heterojunction are suggested as the key factors to enhance the photocatalytic performance of the photocatalysts.
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Affiliation(s)
- Jingling Wang
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Wensong Lin
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Manru Dong
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Yue Xing
- School of Materials Engineering, Nanjing University of Science and Technology, Nanjing, People's Republic of China
| | - Qicheng Zhang
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
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18
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Water-Active Titanium/Molybdenum/Mixed-Oxides: Removal Efficiency of Organic Water Pollutants by Adsorption and Photocatalysis and Toxicity Assessment. Catalysts 2021. [DOI: 10.3390/catal11091054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
A new titanium/molybdenum/mixed-oxides (TMO) contact-type heterojunction photocatalyst was prepared by a simple, low-cost, and environmentally-friendly mixing-calcination solid-state method. A microstructural investigation by scanning electron microscopy (SEM) showsirregularly shaped agglomerated morphology of TMO that consists of firmly connected globular TiO2 and rod-like MoO3 particles. The detailed structure and optical bandgap investigation by X-ray diffraction, Raman, and UV-Vis spectroscopy revealed the TMO’s composition of ~37 wt.% rutile TiO2, ~25 wt.% of anatase TiO2, and ~38 wt.% of molybdite MoO3 phase and an absorption threshold of around 380 nm, which implies more probability of desirable higher visible light absorption. The removal efficiency of pesticides quinmerac (QUI) and tembotrione (TEM), and pharmaceuticals metoprolol (MET), amitriptyline (AMI), ciprofloxacin (CIP),and ceftriaxone (CEF) from water in the presence of starting pure TiO2, MoO3, and prepared TMO were investigated under different pH values and UV irradiation/simulated sunlight (SS). Each starting metal-oxide precursors and prepared TMO showed a different affinity for adsorption of tested pesticides and pharmaceuticals, and, in general, better photocatalytic degradation efficiency under UV irradiation than under simulated sunlight. The highest photocatalytic degradation efficiency under UV irradiation was 81.6% for TEM using TMO; using TiO2 was 65.0% for AMI, and using MoO3 was 79.3% for CEF after 135 min. However, TMO showed a very high synergic adsorption/photocatalytic under-SS efficiency in the removal of CIP of almost 80% and under UV irradiation of 90% CIP removal after 75 min. The toxicity of catalysts, starting compounds, and their intermediates formed during the removal process was assessed using a rat hepatoma cell line (H-4-II-E). The highest hepatotoxic effects were obtained by using UV irradiated QUI and MET suspension with TMO for up to 60 min.
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19
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Wei L, Yu C, Yang K, Fan Q, Ji H. Recent advances in VOCs and CO removal via photothermal synergistic catalysis. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63721-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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20
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Ce2O3/BiVO4 Embedded in rGO as Photocatalyst for the Degradation of Methyl Orange under Visible Light Irradiation. J 2021. [DOI: 10.3390/j4020013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
A p–n heterojunction semiconductor structure composed of Ce3O4 and BiVO4 has been synthesized and then incorporated into reduced graphene oxide (rGO) by the hydrothermal method. The ternary composites were characterized by X-ray diffraction, transmission electron microscopy (TEM), scanning electron microscopy (SEM), electron diffraction spectroscopy (EDS), and UV–vis spectroscopy. The efficiency of the composites as photocatalysts was determined by studying the oxidative degradation of methyl orange in aqueous solution under visible light irradiation. The effect of parameters such as pH, catalyst loading, and concentration of the dye solution was examined in order to determine their influence on the photocatalytic activity of the composites. The composite incorporated into reduced graphene oxide presented the highest percentage (above 90%) in 2 h time, attributed to the effect of the increased surface area. The process of the enhanced photocatalytic activity has been discussed based on the energy band positions of the nanoparticles within the composite.
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21
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Chan SC, Cheng YL, Chang BK, Hong CW. The origins of charge separation in anisotropic facet photocatalysts investigated through first-principles calculations. RSC Adv 2021; 11:18500-18508. [PMID: 35480943 PMCID: PMC9033447 DOI: 10.1039/d1ra01711j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 05/13/2021] [Indexed: 11/21/2022] Open
Abstract
It was recently discovered that the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) can be completed on the {110} and {001} facets, respectively, of a 18-facet SrTiO3 mono-crystal. The effective charge separation is attributed to the facet junction at the interface between two arbitrary anisotropic crystal planes. Theoretical estimation of the built-in potential at the facet junction can greatly improve understanding of the mechanism. This work employs density functional theory (DFT) calculations to investigate such potential at the (110)/(100) facet junction in SrTiO3 crystals. The formation of the facet junction is verified by a calculated work function difference between the (110) and (100) planes, which form p-type and n-type segments of the junction, respectively. The built-in potential is estimated at about 2.9 V. As a result, with the ultra high built-in potential, electrons and holes can effectively transfer to different anisotropic planes to complete both photo-oxidative and photo-reductive reactions.
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Affiliation(s)
- Shun-Chiao Chan
- Department of Power Mechanical Engineering, National Tsing Hua University Hsinchu City 300 Taiwan
| | - Yu-Lin Cheng
- Department of Power Mechanical Engineering, National Tsing Hua University Hsinchu City 300 Taiwan
| | - Bor Kae Chang
- Department of Chemical & Materials Engineering, National Central University Taoyuan City 320 Taiwan
| | - Che-Wun Hong
- Department of Power Mechanical Engineering, National Tsing Hua University Hsinchu City 300 Taiwan
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22
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Liu Y, Zou X, Li L, Shen Z, Cao Y, Wang Y, Cui L, Cheng J, Wang Y, Li X. Engineering of anatase/rutile TiO 2 heterophase junction via in-situ phase transformation for enhanced photocatalytic hydrogen evolution. J Colloid Interface Sci 2021; 599:795-804. [PMID: 33989932 DOI: 10.1016/j.jcis.2021.04.127] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/22/2021] [Accepted: 04/25/2021] [Indexed: 11/15/2022]
Abstract
Constructing effective interphase boundary is one of the efficient approaches for improving photocatalytic performances of semiconductor materials. In this work, an anatase/rutile-TiO2 (AR-TiO2) heterophase junction with appropriate carbon content was successfully fabricated via an in-situ phase transformation process. The phase transformation started from the inner core of the nanoparticles and the area of phase interface between anatase and rutile was carefully controlled by regulating the activation temperature. The well-established type-II band alignment between two TiO2 phases with residual carbon as additional charge transfer intermediary which significantly improved the light-harvesting and photoinduced electron-hole pair separation. As a result, the optimal AR-TiO2-550 catalyst (without adding commonly used Pt as co-catalyst) remarkably enhanced photocatalytic H2 generation (201 μmol h-1 g-1), which was about 12-fold to that of P25. The AR-TiO2-550 heterophase junction also showed long-term stability under simulated solar light irradiation. This research provides a new phase engineering route for developing high-efficient photocatalysts.
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Affiliation(s)
- Yanan Liu
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Xuhui Zou
- Department of Environmental Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Lifen Li
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Zhangfeng Shen
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Yongyong Cao
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Yanqin Wang
- Lab for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, China
| | - Lifeng Cui
- Department of Environmental Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Jun Cheng
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
| | - Yangang Wang
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China.
| | - Xi Li
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China.
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23
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Shen JC, Zeng HY, Chen CR, Xu S. Novel plasmonic p-n heterojunction Ag-Ag2CO3/Bi2Sn2O7 photocatalyst for Cr(VI) reduction. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.02.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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24
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Zhang K, Zhou M, Yu C, Li X, Yang K, Yang S, Dai W, Huang W, Fan Q, Zhu L. High value-added fluorescence upconversion agents-assisted nano-semiconductors for efficient wide spectral response photocatalysis: Exerting energy transfer effect and applications. J RARE EARTH 2021. [DOI: 10.1016/j.jre.2020.03.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Yang X, Chen Z, Zhao W, Liu C, Qian X, Zhang M, Wei G, Khan E, Hau Ng Y, Sik Ok Y. Recent advances in photodegradation of antibiotic residues in water. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2021; 405:126806. [PMID: 32904764 PMCID: PMC7457966 DOI: 10.1016/j.cej.2020.126806] [Citation(s) in RCA: 107] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 08/11/2020] [Accepted: 08/24/2020] [Indexed: 05/21/2023]
Abstract
Antibiotics are widely present in the environment due to their extensive and long-term use in modern medicine. The presence and dispersal of these compounds in the environment lead to the dissemination of antibiotic residues, thereby seriously threatening human and ecosystem health. Thus, the effective management of antibiotic residues in water and the practical applications of the management methods are long-term matters of contention among academics. Particularly, photocatalysis has attracted extensive interest as it enables the treatment of antibiotic residues in an eco-friendly manner. Considerable progress has been achieved in the implementation of photocatalytic treatment of antibiotic residues in the past few years. Therefore, this review provides a comprehensive overview of the recent developments on this important topic. This review primarily focuses on the application of photocatalysis as a promising solution for the efficient decomposition of antibiotic residues in water. Particular emphasis was laid on improvement and modification strategies, such as augmented light harvesting, improved charge separation, and strengthened interface interaction, all of which enable the design of powerful photocatalysts to enhance the photocatalytic removal of antibiotics.
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Affiliation(s)
- Xiuru Yang
- College of Materials and Chemistry, China Jiliang University, 258 Xueyuan Street, Xiasha Higher Education Zone Hangzhou, 310018, China
| | - Zhi Chen
- College of Materials and Chemistry, China Jiliang University, 258 Xueyuan Street, Xiasha Higher Education Zone Hangzhou, 310018, China
| | - Wan Zhao
- College of Materials and Chemistry, China Jiliang University, 258 Xueyuan Street, Xiasha Higher Education Zone Hangzhou, 310018, China
| | - Chunxi Liu
- College of Materials and Chemistry, China Jiliang University, 258 Xueyuan Street, Xiasha Higher Education Zone Hangzhou, 310018, China
| | - Xiaoxiao Qian
- College of Materials and Chemistry, China Jiliang University, 258 Xueyuan Street, Xiasha Higher Education Zone Hangzhou, 310018, China
| | - Ming Zhang
- Department of Environmental Engineering, China Jiliang University, 258 Xueyuan Street, Xiasha Higher Education Zone Hangzhou, 310018, China
| | - Guoying Wei
- College of Materials and Chemistry, China Jiliang University, 258 Xueyuan Street, Xiasha Higher Education Zone Hangzhou, 310018, China
| | - Eakalak Khan
- Department of Civil and Environmental Engineering and Construction, University of Nevada, Las Vegas, NV 89154, USA
| | - Yun Hau Ng
- School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong Special Administrative Region, China
| | - Yong Sik Ok
- Korea Biochar Research Center, APRU Sustainable Waste Management & Division of Environmental Science and Ecological Engineering, Korea University, Seoul, South Korea
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26
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G BR, Dadigala R, Bandi R, Seku K, D K, Mangatayaru K G, Shalan AE. Microwave-assisted preparation of a silver nanoparticles/N-doped carbon dots nanocomposite and its application for catalytic reduction of rhodamine B, methyl red and 4-nitrophenol dyes. RSC Adv 2021; 11:5139-5148. [PMID: 35424440 PMCID: PMC8694692 DOI: 10.1039/d0ra10679h] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 01/20/2021] [Indexed: 12/19/2022] Open
Abstract
In the current work, a silver nanoparticles/nitrogen-doped carbon dots (AgNPs/NCDs) nanocomposite was prepared by a microwave-assisted method that does not require additional reducing or stabilizing agents. Multiple analytical techniques were used to characterize the prepared nanocomposite. The nanocomposite exhibited a surface plasmon resonance (SPR) absorption peak at 420 nm, indicating the development of AgNPs with NCDs. Further, HRTEM results confirmed the formation of the nanocomposite with the appearance of lattice fringes of both materials. Additionally, the nanocomposite did not show any precipitation even after two months of storage. The nanocomposite exhibited high catalytic activity towards the reduction of rhodamine B (RhB, 98.83%), methyl red (MR, 97.14%) and 4-nitrophenol (4-NP, 99.95%) at ambient temperature. Besides, the kinetic analysis revealed that the reduction reaction followed pseudo-first-order kinetics and the calculated rate constants (k) for rhodamine B (RhB), methyl red (MR) and 4-nitrophenol (4-NP) were found to be 0.0296 s-1, 0.0233 s-1 and 0.029 s-1, respectively. Moreover, it is a reusable and stable catalyst for reduction reactions up to five cycles without significant loss in catalytic activity. Finally, a plausible mechanism for the reduction of pollutants is also discussed in detail. As a whole, the prepared nanocomposite might display stunning behaviour for wastewater treatment applications.
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Affiliation(s)
- Bhagavanth Reddy G
- Department of Chemistry, Palamuru University Mahabub Nagar Telangana 509001 India
- Department of Chemistry, Osmania University Hyderabad Telangana 500007 India
| | | | - Rajkumar Bandi
- Department of Chemistry, Osmania University Hyderabad Telangana 500007 India
| | - Kondaiah Seku
- Departement of Engineering (Civil Section), University of Technology and Applied Sciences-Shinas Shinas 324 Sultanate of Oman
| | - Koteswararao D
- Department of Chemistry, Dr. B. R. Ambedkar Open University Hyderabad-500033 India
| | - Girija Mangatayaru K
- Department of Chemistry, Palamuru University Mahabub Nagar Telangana 509001 India
| | - Ahmed Esmail Shalan
- BCMaterials, Basque Center for Materials, Applications and Nanostructures Martina Casiano, UPV/EHU Science Park, Barrio Sarriena s/n Leioa 48940 Spain
- Central Metallurgical Research and Development Institute (CMRDI) P.O. Box 87 Helwan Cairo 11421 Egypt
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27
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Pan L, Jiao C, Liang Y, Xiong J, Wang S, Zhu H, Chen G, Song H. In situ construction of MoS 2@CoS 2 spherical hydrangea-shaped clusters for enhanced visible-light photocatalytic degradation of sulfamethoxazole. NEW J CHEM 2021. [DOI: 10.1039/d1nj00161b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This article explores the rich element cobalt, found in the earth's crust, to replace noble metals as co-catalysts that serve as electron traps to enhance the efficiency of electron transfer from molybdenum disulfide (MoS2) to cobalt sulfide (CoS2).
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Affiliation(s)
- Liushu Pan
- School of Resources
- Environment and Materials
- Guangxi University
- Nanning 530003
- China
| | - Chunlin Jiao
- School of Resources
- Environment and Materials
- Guangxi University
- Nanning 530003
- China
| | - Yinna Liang
- School of Resources
- Environment and Materials
- Guangxi University
- Nanning 530003
- China
| | - Jianhua Xiong
- School of Resources
- Environment and Materials
- Guangxi University
- Nanning 530003
- China
| | - Shuangfei Wang
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control
- Nanning 530004
- China
| | - Hongxiang Zhu
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control
- Nanning 530004
- China
| | - Guoning Chen
- Guangxi Bossco Environmental Protection Technology Co., Ltd
- Nanning 530007
- China
| | - Hainong Song
- Guangxi Bossco Environmental Protection Technology Co., Ltd
- Nanning 530007
- China
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28
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Ma L, Xu J, Zhang J, Liu Z, Liu X. Rare earth material CeO 2 modified CoS 2 nanospheres for efficient photocatalytic hydrogen evolution. NEW J CHEM 2021. [DOI: 10.1039/d1nj04196g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The construction of a heterojunction promoted the separation of electrons and holes, so that CeO2/CoS2 exhibited an excellent hydrogen evolution performance.
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Affiliation(s)
- Lijun Ma
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan 750021, P. R. China
| | - Jing Xu
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan 750021, P. R. China
- Key Laboratory of Chemical Engineering and Technology (North Minzu University), State Ethnic Affairs Commission, Yinchuan 750021, P. R. China
- Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University, Yinchuan 750021, P. R. China
| | - Juan Zhang
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan 750021, P. R. China
| | - Zhenlu Liu
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan 750021, P. R. China
| | - Xinyu Liu
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan 750021, P. R. China
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29
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Lian P, Qin A, Liao L, Zhang K. Progress on the nanoscale spherical TiO
2
photocatalysts: Mechanisms, synthesis and degradation applications. NANO SELECT 2020. [DOI: 10.1002/nano.202000091] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Peng Lian
- Key Lab New Processing Technology for Nonferrous Metals & Materials Ministry of Education College of Materials Science and Engineering Guilin University of Technology Guilin P. R. China
| | - Aimiao Qin
- Key Lab New Processing Technology for Nonferrous Metals & Materials Ministry of Education College of Materials Science and Engineering Guilin University of Technology Guilin P. R. China
| | - Lei Liao
- College of Environmental Science and Engineering Guilin University of Technology Guilin P. R. China
| | - Kaiyou Zhang
- Key Lab New Processing Technology for Nonferrous Metals & Materials Ministry of Education College of Materials Science and Engineering Guilin University of Technology Guilin P. R. China
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Sescu AM, Harja M, Favier L, Berthou LO, Gomez de Castro C, Pui A, Lutic D. Zn/La Mixed Oxides Prepared by Coprecipitation: Synthesis, Characterization and Photocatalytic Studies. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E4916. [PMID: 33142946 PMCID: PMC7663376 DOI: 10.3390/ma13214916] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 12/04/2022]
Abstract
Mixed oxides containing zinc and lanthanum were prepared by coprecipitation in alkaline medium, followed by calcination at 400 °C. The initial precipitation product and the calcined form were characterized by Brunauer-Emmett-Teller (BET) method adsorption of nitrogen at -196 °C, Scanning Electron Microscopy/Electron-Probe Microanalysis (SEM/EPM), Ultraviolet-Diffuse Reflectance Spectroscopy (UV-DRS) and Infrared (IR) spectroscopy. The band gap slightly changes from 3.23 eV to 3 eV by calcination. The photocatalytic performance of the solids were investigated in diluted aqueous medium, by using clofibric acid (CA), a stable and toxic molecule used as precursor in some pesticides and drugs, as test compound, possibly found in the wastewaters in low concentrations. The effects of the degradation extent, determined by high performance liquid chromatography (HPLC) and total organic carbon (TOC) measurements, were investigated at different initial concentrations of CA. Within about 60 min the CA degradation is almost total at low concentration values (3 ppm) and reaches over 80% in 180 min for an initial concentration of 50 ppm. Moreover, the CA removal performance of photocatalyst remains excellent after three cycles of use: the removal yield was practically total after 60 min in the first two cycles and reached 95% even in the third cycle.
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Affiliation(s)
- Amalia Maria Sescu
- Department of Chemical Engineering, Faculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iasi, 73, Prof.dr.doc. D. Mangeron Blvd., 700050 Iasi, Romania;
| | - Maria Harja
- Department of Chemical Engineering, Faculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iasi, 73, Prof.dr.doc. D. Mangeron Blvd., 700050 Iasi, Romania;
| | - Lidia Favier
- Ecole Nationale Supérieure de Chimie de Rennes, Univ Rennes, CNRS, ISCR—UMR6226, F-35000 Rennes, France;
| | - Laurence Oughebbi Berthou
- Ecole Nationale Supérieure de Chimie de Rennes, Univ Rennes, CNRS, ISCR—UMR6226, F-35000 Rennes, France;
| | - Consuelo Gomez de Castro
- Department of Materials and Chemical Engineering, Faculty of Chemical, Complutense University of Madrid, Av. Séneca, 2, 28040 Madrid, Spain;
| | - Aurel Pui
- Department of Chemistry, Faculty of Chemistry, “Alexandru Ioan Cuza” University of Iasi, Bvld. Carol I No 11, 700506 Iasi, Romania;
| | - Doina Lutic
- Department of Chemistry, Faculty of Chemistry, “Alexandru Ioan Cuza” University of Iasi, Bvld. Carol I No 11, 700506 Iasi, Romania;
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31
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Zhai H, Liu X, Wang Z, Liu Y, Zheng Z, Qin X, Zhang X, Wang P, Huang B. ZnO nanorod decorated by Au-Ag alloy with greatly increased activity for photocatalytic ethylene oxidation. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(19)63473-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Facile synthesis and photoelectrochemical properties of novel TiN/C3N4/CdS nanotube core/shell arrays. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(19)63512-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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33
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Sun D, Shi JW, Ma D, Zou Y, Sun G, Mao S, Sun L, Cheng Y. CdS/ZnS/ZnO ternary heterostructure nanofibers fabricated by electrospinning for excellent photocatalytic hydrogen evolution without co-catalyst. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(20)63576-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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34
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He Y, Li J, Li K, Sun M, Yuan C, Chen R, Sheng J, Leng G, Dong F. Bi quantum dots implanted 2D C-doped BiOCl nanosheets: Enhanced visible light photocatalysis efficiency and reaction pathway. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(20)63612-9] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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35
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Kaur G, Sharma S, Kaur K, Bansal P. Synthesis, characterization, and visible-light-induced photocatalytic activity of powdered semiconductor oxides of bismuth and zinc toward degradation of Alizarin Red S. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2020; 92:1376-1387. [PMID: 32221996 DOI: 10.1002/wer.1333] [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: 09/09/2019] [Revised: 03/06/2020] [Accepted: 03/11/2020] [Indexed: 06/10/2023]
Abstract
Semiconductor oxides of bismuth and zinc have been synthesized using modified sol-gel method and sol-combustion method, respectively. The synthesized catalysts were characterized by X-ray powder diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), and UV-vis spectroscopy. The photocatalytic activity of Bi2 O3 and ZnO was evaluated for the degradation of Alizarin Red S (ARS), as a model pollutant, at 20 mg/L level in water under visible light irradiation. The percentage of photocatalytic degradation was determined using UV-vis spectrophotometer. The photocatalytic results revealed that Bi2 O3 and ZnO could effectively degrade 73% and 53% of ARS, respectively, within 13 hr under visible light illumination, indicating that synthesized Bi2 O3 is a better photocatalyst than ZnO. Photodegradation of ARS with Bi2 O3 and ZnO is remarkably influenced by change in pH of the dye solution, and pH 8 was found to be the most favorable for maximum removal of ARS in case of both Bi2 O3 (75%) and ZnO (58%) photocatalyst. PRACTITIONER POINTS: Photocatalytic degradation of ARS dye depends on pH of the solution. Calcination temperature influences the crystallite size of prepared semiconductor oxides of bismuth and zinc. Bi2 O3 shows better photocatalytic degradation efficiency than ZnO under visible light illumination.
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Affiliation(s)
- Gurpreet Kaur
- Research Scholar of I.K. Gujral Punjab Technical University, Kapurthala, India
| | - Seema Sharma
- Department of Chemistry, Maharaja Ranjit Singh Punjab Technical University, Bathinda, India
| | - Kirandeep Kaur
- Department of Chemistry, Maharaja Ranjit Singh Punjab Technical University, Bathinda, India
| | - Priti Bansal
- Department of Applied Sciences, YCoE, Punjabi University Guru Kashi Campus, Bathinda, India
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36
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Fabrication and characterization of I doped Bi2MoO6 microspheres with distinct performance for removing antibiotics and Cr(VI) under visible light illumination. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116951] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Wang G, Fakhri A. Preparation of CuS/polyvinyl alcohol-chitosan nanocomposites with photocatalysis activity and antibacterial behavior against G+/G- bacteria. Int J Biol Macromol 2020; 155:36-41. [DOI: 10.1016/j.ijbiomac.2020.03.077] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 03/03/2020] [Accepted: 03/10/2020] [Indexed: 12/23/2022]
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38
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Ding L, Yang S, Liang Z, Qian X, Chen X, Cui H, Tian J. TiO2 nanobelts with anatase/rutile heterophase junctions for highly efficient photocatalytic overall water splitting. J Colloid Interface Sci 2020; 567:181-189. [DOI: 10.1016/j.jcis.2020.02.014] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/02/2020] [Accepted: 02/05/2020] [Indexed: 12/20/2022]
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39
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SrTiO3/BiOI heterostructure: Interfacial charge separation, enhanced photocatalytic activity, and reaction mechanism. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(19)63472-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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40
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Zhang X, Li C, Liang J, Wang J, Zhang J, Chen X, Wang F, Li R. Self‐templated Constructing of Heterophase Junction into Hierarchical Porous Structure of Semiconductors for Promoting Photogenerated Charge Separation. ChemCatChem 2020. [DOI: 10.1002/cctc.201901808] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xun Zhang
- College of Chemistry, Chemical Engineering and Environmental EngineeringLiaoning Shihua University Fushun 113001 Liaoning China
| | - Chun Li
- College of Chemistry, Chemical Engineering and Environmental EngineeringLiaoning Shihua University Fushun 113001 Liaoning China
| | - Junmei Liang
- College of Chemistry, Chemical Engineering and Environmental EngineeringLiaoning Shihua University Fushun 113001 Liaoning China
| | - Jiangfei Wang
- College of Chemistry, Chemical Engineering and Environmental EngineeringLiaoning Shihua University Fushun 113001 Liaoning China
| | - Jing Zhang
- College of Chemistry, Chemical Engineering and Environmental EngineeringLiaoning Shihua University Fushun 113001 Liaoning China
| | - Xuebing Chen
- College of Chemistry, Chemical Engineering and Environmental EngineeringLiaoning Shihua University Fushun 113001 Liaoning China
| | - Fangfang Wang
- College of Chemistry, Chemical Engineering and Environmental EngineeringLiaoning Shihua University Fushun 113001 Liaoning China
| | - Rengui Li
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy Dalian Institute of Chemical PhysicsChinese Academy of Sciences Zhongshan Road 457 Dalian 116023 China
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Sun K, Shen J, Liu Q, Tang H, Zhang M, Zulfiqar S, Lei C. Synergistic effect of Co(II)-hole and Pt-electron cocatalysts for enhanced photocatalytic hydrogen evolution performance of P-doped g-C3N4. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(19)63430-3] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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42
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Nie J, Hassan QU, Jia Y, Gao J, Peng J, Lu J, Zhang F, Zhu G, Wang Q. La-Doped ZnWO4 nanorods with enhanced photocatalytic activity for NO removal: effects of La doping and oxygen vacancies. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01152h] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
La3+-Doped ZnWO4 nanorods were prepared via a hydrothermal method for the photocatalytic NO removal under simulated solar light irradiation.
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Affiliation(s)
- Junli Nie
- School of Physics and Information Technology
- Shaanxi Normal University
- Xi'an 710062
- P.R. China
| | - Qadeer-Ul Hassan
- School of Physics and Information Technology
- Shaanxi Normal University
- Xi'an 710062
- P.R. China
| | - Yuefa Jia
- School of Environmental Science and Engineering
- Chang'an University
- Xi'an 710064
- P.R. China
| | - Jianzhi Gao
- School of Physics and Information Technology
- Shaanxi Normal University
- Xi'an 710062
- P.R. China
| | - Jianhong Peng
- School of Physics and Information Technology
- Shaanxi Normal University
- Xi'an 710062
- P.R. China
| | - Jiangbo Lu
- School of Physics and Information Technology
- Shaanxi Normal University
- Xi'an 710062
- P.R. China
| | - Fuchun Zhang
- College of Physics and Electronic Information
- Yan'an University
- Yan'an 716000
- P.R. China
| | - Gangqiang Zhu
- School of Physics and Information Technology
- Shaanxi Normal University
- Xi'an 710062
- P.R. China
| | - Qizhao Wang
- School of Environmental Science and Engineering
- Chang'an University
- Xi'an 710064
- P.R. China
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43
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Weng JH, Lee PC, Chen YS, Lin CB. Degradation of Abiotic Orange II Dye and Biotic E. coli by Highly Porous SiC-AgCl/Ag0 Photocatalyst. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01377-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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44
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Isac L, Cazan C, Enesca A, Andronic L. Copper Sulfide Based Heterojunctions as Photocatalysts for Dyes Photodegradation. Front Chem 2019; 7:694. [PMID: 31709227 PMCID: PMC6819509 DOI: 10.3389/fchem.2019.00694] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 10/07/2019] [Indexed: 11/13/2022] Open
Abstract
The presence of toxic, non-biodegradable and harmful organic pollutants in soils, wastewater, and atmosphere has become an indisputable, and global fact as a significant environmental problem. The heterogeneous photocatalysis, an advanced oxidation process (AOP) using semiconductor materials as catalysts, is a topic of great interest considering the possibility of the pollutants removal from water. The photocatalytic degradation of organic contaminants (i.e., dyes, pesticides, phenolic compounds) present in water using semiconductor materials depends on a number of parameters such as: the bandgap energy, phase composition, crystallinity, morphology and surface area of catalyst, electron-hole recombination rate, intensity of light, and adsorption capacity of the dye on the photocatalyst surface. One of the important constraints related to the catalyst photocatalytic efficiency is the fast recombination of the photogenerated electrons and holes. Therefore, various strategies have been involved in promoting the charge separation, including the development of heterojunction between two semiconductor materials, by tailoring the photocatalysts properties. This mini-review deals with the recent developments on dyes photodegradation using as catalysts various heterojunctions based on copper sulfide nanostructures, such as copper sulfide/metal oxide, copper sulfide/metal sulfide, copper sulfide/graphene, copper sulfide/organic semiconductors etc. The effects of different parameters, such as synthesis parameters, particle size, bandgap energy, surface area, and morphology on the photocatalytic activity of copper sulfide heterojunctions for dyes degradation is also highlighted.
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Affiliation(s)
- Luminita Isac
- Product Design, Mechatronics and Environmental Department, Transilvania University of Brasov, Braşov, Romania
| | - Cristina Cazan
- Product Design, Mechatronics and Environmental Department, Transilvania University of Brasov, Braşov, Romania
| | - Alexandru Enesca
- Product Design, Mechatronics and Environmental Department, Transilvania University of Brasov, Braşov, Romania
| | - Luminita Andronic
- Product Design, Mechatronics and Environmental Department, Transilvania University of Brasov, Braşov, Romania
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Li X, Yang K, Yu C, Zhang K, Yang S, Zhu L, Ji H, Dai W, Fan Q, Huang W. Broadband photocatalysis using a Z-scheme heterojunction of Au/NaYF4:Yb,Er/WO3·0.33H2O-W18O49via a synergetic strategy of upconversion function and plasmonic effect. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00823c] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Employing upconversion hosts and plasmonic Au, this work deals with the synthesis of a novel heterojunction via a hydrothermal followed by a photo-reduction method.
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Affiliation(s)
- Xiaoxiao Li
- School of Chemistry and Chemical Engineering
- Jiangxi University of Science and Technology
- Ganzhou 341000
- China
| | - Kai Yang
- School of Chemistry and Chemical Engineering
- Jiangxi University of Science and Technology
- Ganzhou 341000
- China
- Research Institute of Photocatalysis
| | - Changlin Yu
- School of Environmental Science and Engineering
- Guangdong Province Key Laboratory of Petrochemical Pollution Process and Control
- Guangdong University of Petrochemical Technology
- Maoming 525000
- China
| | - Kailian Zhang
- School of Chemistry and Chemical Engineering
- Jiangxi University of Science and Technology
- Ganzhou 341000
- China
| | - Shi Yang
- School of Chemistry and Chemical Engineering
- Jiangxi University of Science and Technology
- Ganzhou 341000
- China
| | - Lihua Zhu
- School of Chemistry and Chemical Engineering
- Jiangxi University of Science and Technology
- Ganzhou 341000
- China
| | - Hongbing Ji
- School of Chemical Engineering
- Guangdong University of Petrochemical Technology
- Maoming 525000
- China
| | - Wenxin Dai
- Research Institute of Photocatalysis
- State Key Laboratory of Photocatalysis on Energy and Environment
- Fuzhou University
- Fuzhou, 350002
- China
| | - Qizhe Fan
- School of Chemistry and Chemical Engineering
- Jiangxi University of Science and Technology
- Ganzhou 341000
- China
| | - Weiya Huang
- School of Chemistry and Chemical Engineering
- Jiangxi University of Science and Technology
- Ganzhou 341000
- China
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