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WXy/g-C3N4 (WXy=W2C, WS2, or W2N) Composites for Highly Efficient Photocatalytic Water Splitting
Mengmeng Shao1; Wenzhou Chen1; Shengjie Ding2; Kin Ho Lo2; XiongweiZhong1,3; Linmin Yao4; WengFai Ip5; Baomin Xu3; Xuesen Wang6; Hui Pan1,5
2019-05-09
Source PublicationChemSusChem
ISSN1864-5631
Volume12Issue:14Pages:3355-3362
Abstract

The development of earth-abundant, economical, and efficient photocatalysts to boost water splitting is a key challenge for the practical large-scale application of hydrogen energy. In this study, g-CN loaded with different tungsten compounds (WC, WS, and WN) is found to exhibit enhanced photocatalytic activities. WC/g-CN displays the highest activity for the photocatalytic reaction with a H evolution rate of up to 98 μmol h, as well as remarkable recycling stability. The excellent photocatalytic activity of WC/g-CN is attributed to the suitable band alignment in WC/g-CN and high HER activity of the WC cocatalyst, which promotes the separation and transfer of carriers and hydrogen evolution at the surface. These findings demonstrate that the tungsten carbide cocatalyst is more active for the photocatalytic reaction than the sulfide or nitride, paving a way for the design of novel and efficient carbides as cocatalysts for photocatalysis.

KeywordCarbides Carbon Nitride Hydrogen Evolution Photocatalysis Tungsten
DOI10.1002/cssc.201900844
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Science & Technology - Other Topics
WOS SubjectChemistry, Multidisciplinary ; Green & Sustainable Science & Technology
WOS IDWOS:000478633900017
Scopus ID2-s2.0-85067519131
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Citation statistics
Cited Times [WOS]:54   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorHui Pan
Affiliation1.Joint Key Laboratory of the Ministry of Education,Institute of Applied Physics and Materials Engineering,University of Macau,999078,Macao
2.Department of Electromechanical Engineering,Faculty of Science and Technology,University of Macau,999078,Macao
3.Department of Materials Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
4.School of Physics and Electronic Engineering,Guangzhou University,Guangzhou,510006,China
5.Department of Physics and Chemistry,Faculty of Science and Technology,University of Macau,999078,Macao
6.Department of Physics,National University of Singapore,Singapore,119077,Singapore
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING;  Faculty of Science and Technology
Recommended Citation
GB/T 7714
Mengmeng Shao,Wenzhou Chen,Shengjie Ding,et al. WXy/g-C3N4 (WXy=W2C, WS2, or W2N) Composites for Highly Efficient Photocatalytic Water Splitting[J]. ChemSusChem,2019,12(14):3355-3362.
APA Mengmeng Shao,Wenzhou Chen,Shengjie Ding,Kin Ho Lo,XiongweiZhong,Linmin Yao,WengFai Ip,Baomin Xu,Xuesen Wang,&Hui Pan.(2019).WXy/g-C3N4 (WXy=W2C, WS2, or W2N) Composites for Highly Efficient Photocatalytic Water Splitting.ChemSusChem,12(14),3355-3362.
MLA Mengmeng Shao,et al."WXy/g-C3N4 (WXy=W2C, WS2, or W2N) Composites for Highly Efficient Photocatalytic Water Splitting".ChemSusChem 12.14(2019):3355-3362.
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