期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 44, 期 10, 页码 4754-4763出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2019.01.002
关键词
CdWO4; 4-mercaptobenzoic acid; Surface modification; Photocatalytic hydrogen evolution; Built-in electric field
资金
- National Natural Science Foundation of China [21333006, 21573135, U1832145, 11374190, 51321091]
- Taishan Scholar Foundation of Shandong Province, China
- Young Scholars Program [2016WLJH16]
In this work, a polar molecule 4-mercaptobenzoic acid (4-MBA) is anchored on the surface of CdWO4 by forming Cd-S and W-S bond. Photocatalytic hydrogen evolution is significantly enhanced (about 3.41 times) after the modification. The reason is due to the modification of 4-MBA, which results in a polar surface and built-in electric field. The polar surface is confirmed by the steady state and time-resolved PL spectra, V-oc and SHG results. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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