Journal
MATERIALS LETTERS
Volume 236, Issue -, Pages 394-397Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.10.096
Keywords
Silver bromide; Bismuth vanadate; Heterojunction; Photocatalytic fuel cell; Dual-photoelectrode configuration
Funding
- Shenzhen Knowledge Innovation Program [JCYJ20160428154632404]
- CityU Strategic Research Grants [7004689, 7004923]
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Silver bromide/bismuth vanadate (AgBr/BiVO4) composite was found to have excellent photosensitive properties. In comparison with bare BiVO4 counterpart, the AgBr/BiVO4 photoanode is more favorable to visible-light activation under AM1.5G illumination to achieve higher generation of electron-hole pairs. The AgBr/BiVO4 composite can also retard recombination of the charges by means of heterojunction electron transport. As a result, the photogenerated electrons and holes have high reduction and oxidation capabilities, respectively. For the first time, AgBr/BiVO4 photoanode was employed to construct a dual-photoelectrode photocatalytic fuel cell (PFC). The experimental analysis conducted revealed that the AgBr/BiVO4 composite successfully enhanced the PFC to achieve excellent photoelectrochemical activities. (C) 2018 Published by Elsevier B.V.
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