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2D/2D Phosphorus-Doped g-C(3)N(4)/Bi(2)WO(6) Direct Z-Scheme Heterojunction Photocatalytic System for Tetracycline Hydrochloride (TC-HCl) Degradation
Bi(2)WO(6)-based heterojunction photocatalyst for antibiotic degradation has been a research hotspot, but its photocatalytic performance needs to be further improved. Therefore, 2D/2D P-doped g-C(3)N(4)/Bi(2)WO(6) direct Z-scheme heterojunction photocatalysts with different composition ratios were p...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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MDPI
2022
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9691143/ https://www.ncbi.nlm.nih.gov/pubmed/36429655 http://dx.doi.org/10.3390/ijerph192214935 |
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author | Yin, Xudong Sun, Xiaojie Li, Dehao Xie, Wenyu Mao, Yufeng Liu, Zhenghui Liu, Zhisen |
author_facet | Yin, Xudong Sun, Xiaojie Li, Dehao Xie, Wenyu Mao, Yufeng Liu, Zhenghui Liu, Zhisen |
author_sort | Yin, Xudong |
collection | PubMed |
description | Bi(2)WO(6)-based heterojunction photocatalyst for antibiotic degradation has been a research hotspot, but its photocatalytic performance needs to be further improved. Therefore, 2D/2D P-doped g-C(3)N(4)/Bi(2)WO(6) direct Z-scheme heterojunction photocatalysts with different composition ratios were prepared through three strategies of phosphorus (P) element doping, morphology regulation, and heterojunction, and the efficiency of its degradation of tetracycline hydrochloride (TC-HCl) under visible light was studied. Their structural, optical, and electronic properties were evaluated, and their photocatalytic efficiency for TC-HCl degradation was explored with a detailed assessment of the active species, degradation pathways, and effects of humic acid, different anions and cations, and water sources. The 30% P-doped g-C(3)N(4)/Bi(2)WO(6) had the best photocatalytic performance for TC-HCl degradation. Its photocatalytic rate was 4.5-, 2.2-, and 1.9-times greater than that of g-C(3)N(4), P-doped g-C(3)N(4), and Bi(2)WO(6), respectively. The improved photocatalytic efficiency was attributed to the synergistic effect of P doping and 2D/2D direct Z-scheme heterojunction construction. The stability and reusability of the 30% P-doped C(3)N(4)/Bi(2)WO(6) were confirmed by cyclic degradation experiments. Radical scavenging experiments and electron spin resonance spectroscopy showed that the main active species were •O(2)(−) and h(+). This work provides a new strategy for the preparation of direct Z-scheme heterojunction catalysts with high catalytic performance. |
format | Online Article Text |
id | pubmed-9691143 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-96911432022-11-25 2D/2D Phosphorus-Doped g-C(3)N(4)/Bi(2)WO(6) Direct Z-Scheme Heterojunction Photocatalytic System for Tetracycline Hydrochloride (TC-HCl) Degradation Yin, Xudong Sun, Xiaojie Li, Dehao Xie, Wenyu Mao, Yufeng Liu, Zhenghui Liu, Zhisen Int J Environ Res Public Health Article Bi(2)WO(6)-based heterojunction photocatalyst for antibiotic degradation has been a research hotspot, but its photocatalytic performance needs to be further improved. Therefore, 2D/2D P-doped g-C(3)N(4)/Bi(2)WO(6) direct Z-scheme heterojunction photocatalysts with different composition ratios were prepared through three strategies of phosphorus (P) element doping, morphology regulation, and heterojunction, and the efficiency of its degradation of tetracycline hydrochloride (TC-HCl) under visible light was studied. Their structural, optical, and electronic properties were evaluated, and their photocatalytic efficiency for TC-HCl degradation was explored with a detailed assessment of the active species, degradation pathways, and effects of humic acid, different anions and cations, and water sources. The 30% P-doped g-C(3)N(4)/Bi(2)WO(6) had the best photocatalytic performance for TC-HCl degradation. Its photocatalytic rate was 4.5-, 2.2-, and 1.9-times greater than that of g-C(3)N(4), P-doped g-C(3)N(4), and Bi(2)WO(6), respectively. The improved photocatalytic efficiency was attributed to the synergistic effect of P doping and 2D/2D direct Z-scheme heterojunction construction. The stability and reusability of the 30% P-doped C(3)N(4)/Bi(2)WO(6) were confirmed by cyclic degradation experiments. Radical scavenging experiments and electron spin resonance spectroscopy showed that the main active species were •O(2)(−) and h(+). This work provides a new strategy for the preparation of direct Z-scheme heterojunction catalysts with high catalytic performance. MDPI 2022-11-13 /pmc/articles/PMC9691143/ /pubmed/36429655 http://dx.doi.org/10.3390/ijerph192214935 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Yin, Xudong Sun, Xiaojie Li, Dehao Xie, Wenyu Mao, Yufeng Liu, Zhenghui Liu, Zhisen 2D/2D Phosphorus-Doped g-C(3)N(4)/Bi(2)WO(6) Direct Z-Scheme Heterojunction Photocatalytic System for Tetracycline Hydrochloride (TC-HCl) Degradation |
title | 2D/2D Phosphorus-Doped g-C(3)N(4)/Bi(2)WO(6) Direct Z-Scheme Heterojunction Photocatalytic System for Tetracycline Hydrochloride (TC-HCl) Degradation |
title_full | 2D/2D Phosphorus-Doped g-C(3)N(4)/Bi(2)WO(6) Direct Z-Scheme Heterojunction Photocatalytic System for Tetracycline Hydrochloride (TC-HCl) Degradation |
title_fullStr | 2D/2D Phosphorus-Doped g-C(3)N(4)/Bi(2)WO(6) Direct Z-Scheme Heterojunction Photocatalytic System for Tetracycline Hydrochloride (TC-HCl) Degradation |
title_full_unstemmed | 2D/2D Phosphorus-Doped g-C(3)N(4)/Bi(2)WO(6) Direct Z-Scheme Heterojunction Photocatalytic System for Tetracycline Hydrochloride (TC-HCl) Degradation |
title_short | 2D/2D Phosphorus-Doped g-C(3)N(4)/Bi(2)WO(6) Direct Z-Scheme Heterojunction Photocatalytic System for Tetracycline Hydrochloride (TC-HCl) Degradation |
title_sort | 2d/2d phosphorus-doped g-c(3)n(4)/bi(2)wo(6) direct z-scheme heterojunction photocatalytic system for tetracycline hydrochloride (tc-hcl) degradation |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9691143/ https://www.ncbi.nlm.nih.gov/pubmed/36429655 http://dx.doi.org/10.3390/ijerph192214935 |
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