CdS/Bi12O17Cl2 Heterostructure Promotes Visible-Light-Driven Photocatalytic CH4 Generation and Phenol Conversion

We report a heterojunction photocatalyst by coupling CdS with Bi12O17Cl2 via a facile thermal annealing process. Such heterostructure can promote the charge separation between CdS and Bi12O17Cl2, thereby leading to a considerable improvement on the performance for CO2 reduction into valuable CH4 and...

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Main Authors: Dandan Hu, Yumin Cui, Xiaoyan Cao, Yan Han, Huiquan Li, Hui Miao, Yuying Wu, Huidan Yang, Wei Zhao, Chaonan Xu, Yupeng Yuan
Format: Article
Language:English
Published: Wiley 2022-01-01
Series:International Journal of Photoenergy
Online Access:http://dx.doi.org/10.1155/2022/3059385
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author Dandan Hu
Yumin Cui
Xiaoyan Cao
Yan Han
Huiquan Li
Hui Miao
Yuying Wu
Huidan Yang
Wei Zhao
Chaonan Xu
Yupeng Yuan
author_facet Dandan Hu
Yumin Cui
Xiaoyan Cao
Yan Han
Huiquan Li
Hui Miao
Yuying Wu
Huidan Yang
Wei Zhao
Chaonan Xu
Yupeng Yuan
author_sort Dandan Hu
collection DOAJ
description We report a heterojunction photocatalyst by coupling CdS with Bi12O17Cl2 via a facile thermal annealing process. Such heterostructure can promote the charge separation between CdS and Bi12O17Cl2, thereby leading to a considerable improvement on the performance for CO2 reduction into valuable CH4 and phenol conversion under visible light exposure. The CdS/Bi12O17Cl2 heterojunction with mass ratio of 1 : 1 (50% CdS/Bi12O17Cl2) shows the highest CH4 production rate (1.28 μmol·h-1·g-1), which is as 9.8 and 5.8 times as the CH4 generation rate of pure Bi12O17Cl2 and CdS (0.13 and 0.22 μmol·h-1·g-1), respectively. Also, the 50% CdS/Bi12O17Cl2 sample shows the highest activity of phenol conversion with a conversion ratio of 92%, which is as 2.2 times and 1.9 times as the conversion ratio of pristine Bi12O17Cl2 (41%) and CdS (48%), respectively. The present study demonstrates the great potential of the CdS/Bi12O17Cl2 heterojunction for efficient charge separation towards increased photocatalytic CH4 production and phenol conversion.
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institution Kabale University
issn 1687-529X
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publishDate 2022-01-01
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series International Journal of Photoenergy
spelling doaj-art-efb9e5e587cd47e684b410d93f1ad4952025-02-03T06:11:18ZengWileyInternational Journal of Photoenergy1687-529X2022-01-01202210.1155/2022/3059385CdS/Bi12O17Cl2 Heterostructure Promotes Visible-Light-Driven Photocatalytic CH4 Generation and Phenol ConversionDandan Hu0Yumin Cui1Xiaoyan Cao2Yan Han3Huiquan Li4Hui Miao5Yuying Wu6Huidan Yang7Wei Zhao8Chaonan Xu9Yupeng Yuan10Anhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentAnhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentAnhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentAnhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentAnhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentAnhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentAnhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentAnhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentAnhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentAnhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the EnvironmentSchool of Chemistry and Chemical EngineeringWe report a heterojunction photocatalyst by coupling CdS with Bi12O17Cl2 via a facile thermal annealing process. Such heterostructure can promote the charge separation between CdS and Bi12O17Cl2, thereby leading to a considerable improvement on the performance for CO2 reduction into valuable CH4 and phenol conversion under visible light exposure. The CdS/Bi12O17Cl2 heterojunction with mass ratio of 1 : 1 (50% CdS/Bi12O17Cl2) shows the highest CH4 production rate (1.28 μmol·h-1·g-1), which is as 9.8 and 5.8 times as the CH4 generation rate of pure Bi12O17Cl2 and CdS (0.13 and 0.22 μmol·h-1·g-1), respectively. Also, the 50% CdS/Bi12O17Cl2 sample shows the highest activity of phenol conversion with a conversion ratio of 92%, which is as 2.2 times and 1.9 times as the conversion ratio of pristine Bi12O17Cl2 (41%) and CdS (48%), respectively. The present study demonstrates the great potential of the CdS/Bi12O17Cl2 heterojunction for efficient charge separation towards increased photocatalytic CH4 production and phenol conversion.http://dx.doi.org/10.1155/2022/3059385
spellingShingle Dandan Hu
Yumin Cui
Xiaoyan Cao
Yan Han
Huiquan Li
Hui Miao
Yuying Wu
Huidan Yang
Wei Zhao
Chaonan Xu
Yupeng Yuan
CdS/Bi12O17Cl2 Heterostructure Promotes Visible-Light-Driven Photocatalytic CH4 Generation and Phenol Conversion
International Journal of Photoenergy
title CdS/Bi12O17Cl2 Heterostructure Promotes Visible-Light-Driven Photocatalytic CH4 Generation and Phenol Conversion
title_full CdS/Bi12O17Cl2 Heterostructure Promotes Visible-Light-Driven Photocatalytic CH4 Generation and Phenol Conversion
title_fullStr CdS/Bi12O17Cl2 Heterostructure Promotes Visible-Light-Driven Photocatalytic CH4 Generation and Phenol Conversion
title_full_unstemmed CdS/Bi12O17Cl2 Heterostructure Promotes Visible-Light-Driven Photocatalytic CH4 Generation and Phenol Conversion
title_short CdS/Bi12O17Cl2 Heterostructure Promotes Visible-Light-Driven Photocatalytic CH4 Generation and Phenol Conversion
title_sort cds bi12o17cl2 heterostructure promotes visible light driven photocatalytic ch4 generation and phenol conversion
url http://dx.doi.org/10.1155/2022/3059385
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