期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 212, 期 -, 页码 80-88出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2017.04.049
关键词
Dual-channel; Z-scheme; Facet; Visible light photocatalysis
资金
- National Natural Science Foundation of China [21473031, 21273035, 21673041, 21173046]
- National Basic Research Program of China (973 Program) [2013CB632405]
- National Key Technologies R & D Program of China [2014BAC13B03]
- Science & Technology Plan Project of Fujian Province [2014Y2003]
A ternary all-solid-state visible-light Z-scheme photocatalytic system BiVO4/Au@CdS is prepared by means of a two-step route, which is selectively built on the {010} facet of BiVO4 crystals in this system. Vectorial migration of photogenerated charge carriers through two order transmission channels in Z-scheme photocatalytic system further prolongs the mean free path of electrons, realizing effective separation of photogenerated charge carriers and possesses high redox ability. As expected, such BiVO4/Au@CdS Z-scheme photocatalytic system exhibits highly efficient photocatalytic performance. Our current work is expected to offer new insight into construction of dual separation channels for rational design and compound of photocatalyst with high performance. (C) 2017 Published by Elsevier B.V.
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