Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 836, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2020.155428
Keywords
Photocatalysis; Hydrogen; Water splitting; TiO2; BiYO3
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Funding
- National Natural Science Foundation of China [21968007, 21425627, 21938001]
- Guangxi Natural Science Foundation [2016GXNSFFA380015, 2019GXNSFAA245006]
- Scientific Research Foundation for High-level Personnel from Guangxi University
- Special funding for 'Guangxi Bagui Scholars'
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Photocatalytic water splitting into hydrogen was regarded as one of the key solutions to the energy crisis and environmental pollution. In this work, TiO2/BiYO3 photocatalysts were synthesized by an improved Sol-Gel method and their photocatalytic activity for hydrogen evolution from water splitting was investigated. The photocatalytic hydrogen evolution rate of the optimized TiO2/BiYO3 composite exhibited 10 times higher than that of TiO2 and 57 times higher than that of BiYO3, respectively. Such enhanced photocatalytic performance was due to the Type I heterostructure between the TiO2 and BiYO3, which promoted the transfer of photoinduced electrons and the separation of photogenerated charge carriers. This work demonstrates that the TiO2/BiYO3 composites are promising photocatalysts for photocatalytic hydrogen production from water. (C) 2020 Elsevier B.V. All rights reserved.
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