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Khiar H, Janani FZ, Sadiq M, Mansouri S, Puga A, Barka N. Effect of indium (III) doping on Ag 3PO 4 catalyst stabilization and its visible light photocatalytic activity toward toxic dyes in water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:100785-100798. [PMID: 37640975 DOI: 10.1007/s11356-023-29429-1] [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: 06/02/2023] [Accepted: 08/17/2023] [Indexed: 08/31/2023]
Abstract
Indium(III)-doped Ag3PO4 (In-AgP) catalysts at different weight percentages were elaborated by co-precipitation and subjected to XRD, SEM, UV-vis DRS, and FTIR characterization. The prepared catalysts were of spherical morphology and their diameters depends on doping dosage. The whole materials crystallize in a centered cubic system with a slight dissimilation in the positions of the characteristic peaks as a function of indium dosage. The photocatalytic performance of the catalysts under visible light was investigated in the photocatalytic degradation of anionic dye (methyl orange (MO)) and cationic dye (auramine O (AO)) in moderate acid, neutral, and basic pH conditions. Results showed more selectivity to MO than AO. Furthermore, indium-doped samples are more active in the acidic medium than the pure Ag3PO4 (AgP), and 10%In-AgP catalyst presents the highest activity. The degradation efficiency reached 99 % in 60 min for MO and in 180 min for AO. In addition, a high recycling stability was achieved and the catalyst retains its degradation capacity above 99 % after five cycles.
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Affiliation(s)
- Habiba Khiar
- Sultan Moulay Slimane University of Beni Mellal, Multidisciplinary Research and Innovation Laboratory, FP Khouribga, 145, 2500, Khouribga, BP, Morocco
| | - Fatima Zahra Janani
- Sultan Moulay Slimane University of Beni Mellal, Multidisciplinary Research and Innovation Laboratory, FP Khouribga, 145, 2500, Khouribga, BP, Morocco
| | - M'hamed Sadiq
- Sultan Moulay Slimane University of Beni Mellal, Multidisciplinary Research and Innovation Laboratory, FP Khouribga, 145, 2500, Khouribga, BP, Morocco
| | - Said Mansouri
- Materials Science Energy and Nanoengineering Department (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660-Hay Moulay Rachid, 43150, Benguerir, Morocco
| | - Alberto Puga
- Departament d'Enginyeria Química, Universitat Rovira i Virgili, Avinguda dels Països Catalans, 26, 43007, Tarragona, Spain
| | - Noureddine Barka
- Sultan Moulay Slimane University of Beni Mellal, Multidisciplinary Research and Innovation Laboratory, FP Khouribga, 145, 2500, Khouribga, BP, Morocco.
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Trench AB, Machado TR, Gouveia AF, Foggi CC, Teodoro V, Sánchez-Montes I, Teixeira MM, da Trindade L, Jacomaci N, Perrin A, Perrin C, Aquino JM, Andrés J, Longo E. Rational Design of W-Doped Ag 3PO 4 as an Efficient Antibacterial Agent and Photocatalyst for Organic Pollutant Degradation. ACS OMEGA 2020; 5:23808-23821. [PMID: 32984701 PMCID: PMC7513369 DOI: 10.1021/acsomega.0c03019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 08/26/2020] [Indexed: 06/11/2023]
Abstract
Bacterial and organic pollutants are major problems with potential adverse impacts on human health and the environment. A promising strategy to alleviate these impacts consists in designing innovative photocatalysts with a wider spectrum of application. In this paper, we report the improved photocatalytic and antibacterial activities of chemically precipitated Ag3PO4 microcrystals by the incorporation of W at doping levels 0.5, 1, and 2 mol %. The presence of W directly influences the crystallization of Ag3PO4, affecting the morphology, particle size, and surface area of the microcrystals. Also, the characterization via experimental and theoretical approaches evidenced a high density of disordered [AgO4], [PO4], and [WO4] structural clusters due to the substitution of P5+ by W6+ into the Ag3PO4 lattice. This leads to new defect-related energy states, which decreases the band gap energy of the materials (from 2.27 to 2.04 eV) and delays the recombination of e'-h• pairs, leading to an enhanced degradation process. As a result of such behaviors, W-doped Ag3PO4 (Ag3PO4:W) is a better visible-light photocatalyst than Ag3PO4, demonstrated here by the photodegradation of potential environmental pollutants. The degradation of rhodamine B dye was 100% in 4 min for Ag3PO4:W 1%, and for Ag3PO4, the obtained result was 90% of degradation in 15 min of reaction. Ag3PO4:W 1% allowed the total degradation of cephalexin antibiotic in only 4 min, whereas pure Ag3PO4 took 20 min to achieve the same result. For the degradation of imidacloprid insecticide, Ag3PO4:W 1% allowed 90% of degradation, whereas Ag3PO4 allowed 40%, both in 20 min of reaction. Moreover, the presence of W-dopant results in a 16-fold improvement of bactericidal performance against methicillin-resistant Staphylococcus aureus. The outstanding results using the Ag3PO4:W material demonstrated its potential multifunctionality for the control of organic pollutants and bacteria in environmental applications.
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Affiliation(s)
- Aline B. Trench
- CDMF—Department
of Chemistry, Federal University of São
Carlos, 13565-905 São Carlos, SP, Brazil
| | - Thales R. Machado
- CDMF—Department
of Chemistry, Federal University of São
Carlos, 13565-905 São Carlos, SP, Brazil
| | - Amanda F. Gouveia
- Institute
of Chemistry, State University of Campinas, 13083-970 Campinas, SP, Brazil
| | - Camila C. Foggi
- CDMF—Department
of Chemistry, Federal University of São
Carlos, 13565-905 São Carlos, SP, Brazil
| | - Vinícius Teodoro
- CDMF—Department
of Chemistry, Federal University of São
Carlos, 13565-905 São Carlos, SP, Brazil
| | - Isaac Sánchez-Montes
- Department
of Chemistry, Federal University of São
Carlos, 13565-905 São Carlos, SP, Brazil
| | - Mayara M. Teixeira
- CDMF—Department
of Chemistry, Federal University of São
Carlos, 13565-905 São Carlos, SP, Brazil
| | | | - Natalia Jacomaci
- Chemistry
Institute, São Paulo State University, 14800-060 Araraquara, SP, Brazil
| | - Andre Perrin
- University
of Rennes 1, Campus de
Beaulieu, F-35042 Rennes-Cedex, France
| | - Christiane Perrin
- University
of Rennes 1, Campus de
Beaulieu, F-35042 Rennes-Cedex, France
| | - Jose M. Aquino
- Department
of Chemistry, Federal University of São
Carlos, 13565-905 São Carlos, SP, Brazil
| | - Juan Andrés
- Department
of Analytical and Physical Chemistry, University
Jaume I, 12071 Castellón, Spain
| | - Elson Longo
- CDMF—Department
of Chemistry, Federal University of São
Carlos, 13565-905 São Carlos, SP, Brazil
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Panthi G, Gyawali KR, Park M. Towards the Enhancement in Photocatalytic Performance of Ag 3PO 4 Nanoparticles through Sulfate Doping and Anchoring on Electrospun Nanofibers. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E929. [PMID: 32403366 PMCID: PMC7279221 DOI: 10.3390/nano10050929] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 02/06/2023]
Abstract
Present work reports the enhancement in photocatalytic performance of Ag3PO4 nanoparticles through sulfate doping and anchoring on Polyacrylonitrile (PAN)-electrospun nanofibers (SO42--Ag3PO4/PAN-electrospun nanofibers) via electrospinning followed by ion-exchange reaction. Morphology, structure, chemical composition, and optical properties of the prepared sample were characterized using XRD, FESEM, FTIR, XPS, and DRS. The anchoring of SO42--Ag3PO4 nanoparticles on the surface of PAN-electrospun nanofibers was evidenced by the change in color of the PAN nanofibers mat from white to yellow after ion-exchange reaction. FESEM analysis revealed the existence of numerous SO42--Ag3PO4 nanoparticles on the surface of PAN nanofibers. Photocatalytic activity and stability of the prepared sample was tested for the degradation of Methylene blue (MB) and Rhodamine B (RhB) dyes under visible light irradiation for three continuous cycles. Experimental results showed enhanced photodegradation activity of SO42--Ag3PO4/PAN-electrospun nanofibers compared to that of sulfate undoped sample (Ag3PO4/PAN-electrospun nanofibers). Doping of SO42- into Ag3PO4 crystal lattice could increase the photogenerated electron-hole separation capability, and PAN nanofibers served as support for nanoparticles to prevent from agglomeration.
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Affiliation(s)
- Gopal Panthi
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University, Jeonju 54907, Korea;
| | - Kapil Raj Gyawali
- Department of Chemistry, Birendra Multiple Campus, Tribhuvan University, Bharatpur 442000, Chitwan, Nepal;
| | - Mira Park
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University, Jeonju 54907, Korea;
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Enhanced Antibacterial Property of Sulfate-Doped Ag 3PO 4 Nanoparticles Supported on PAN Electrospun Nanofibers. Molecules 2020; 25:molecules25061411. [PMID: 32204541 PMCID: PMC7144394 DOI: 10.3390/molecules25061411] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 03/12/2020] [Accepted: 03/13/2020] [Indexed: 11/16/2022] Open
Abstract
Heterojunction nanofibers of PAN decorated with sulfate doped Ag3PO4 nanoparticles (SO42−-Ag3PO4/PAN electrospun nanofibers) were successfully fabricated by combining simple and versatile electrospinning technique with ion exchange reaction. The novel material possessing good flexibility could exhibit superior antibacterial property over sulfate undoped species (Ag3PO4/PAN electrospun nanofibers). FESEM, XRD, FTIR, XPS and DRS were applied to characterize the morphology, phase structure, bonding configuration, elemental composition, and optical properties of the as fabricated samples. FESEM characterization confirmed the successful incorporation of SO42−-Ag3PO4 nanoparticles on PAN electrospun nanofibers. The doping of SO42− ions into Ag3PO4 crystal lattice by replacing PO43− ions can provide sufficient electron-hole separation capability to the SO42−-Ag3PO4/PAN heterojunction to generate reactive oxygen species (ROS) under visible light irradiation and enhances its antibacterial performance. Finally, we hope this work may offer a new paradigm to design and fabricate other types of flexible self-supporting negative-ions-doped heterojunction nanofibers using electrospinning technique for bactericidal applications.
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Weng B, Qi MY, Han C, Tang ZR, Xu YJ. Photocorrosion Inhibition of Semiconductor-Based Photocatalysts: Basic Principle, Current Development, and Future Perspective. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00313] [Citation(s) in RCA: 291] [Impact Index Per Article: 58.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Bo Weng
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
- College of Chemistry, New Campus, Fuzhou University, Fuzhou 350116, P. R. China
| | - Ming-Yu Qi
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
- College of Chemistry, New Campus, Fuzhou University, Fuzhou 350116, P. R. China
| | - Chuang Han
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
- College of Chemistry, New Campus, Fuzhou University, Fuzhou 350116, P. R. China
| | - Zi-Rong Tang
- College of Chemistry, New Campus, Fuzhou University, Fuzhou 350116, P. R. China
| | - Yi-Jun Xu
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
- College of Chemistry, New Campus, Fuzhou University, Fuzhou 350116, P. R. China
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Lv C, Lan X, Wang L, Yu Q, Zhang M, Sun H, Shi J. Alkaline-earth-metal-doped TiO2 for enhanced photodegradation and H2 evolution: insights into the mechanisms. Catal Sci Technol 2019. [DOI: 10.1039/c9cy01687b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The doping strategy of TiO2 with an AM (alkali earth metal) for photocatalysis applications has been reported in several literature reports.
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Affiliation(s)
- Chao Lv
- Qingdao Agricultural University
- Department of Chemistry and Pharmaceutical Science
- Qingdao
- China
| | - Xuefang Lan
- Qingdao Agricultural University
- Department of Chemistry and Pharmaceutical Science
- Qingdao
- China
| | - Lili Wang
- Qingdao Agricultural University
- Department of Chemistry and Pharmaceutical Science
- Qingdao
- China
| | - Qi Yu
- Qingdao Agricultural University
- Department of Chemistry and Pharmaceutical Science
- Qingdao
- China
| | - Minghui Zhang
- Qingdao Agricultural University
- Department of Chemistry and Pharmaceutical Science
- Qingdao
- China
| | - Hualong Sun
- Qingdao Agricultural University
- Department of Chemistry and Pharmaceutical Science
- Qingdao
- China
| | - Jinsheng Shi
- Qingdao Agricultural University
- Department of Chemistry and Pharmaceutical Science
- Qingdao
- China
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Visible photocatalytic performance of nanostructured molybdenum-doped Ag3PO4: Doping approach. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.01.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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