Solar Water Splitting Utilizing a SiC Photocathode, a BiVO4 Photoanode, and a Perovskite Solar Cell

We have successfully demonstrated solar water splitting using a newly fabricated photoelectrochemical system with a Pt‐loaded SiC photocathode, a CoOx‐loaded BiVO4 photoanode, and a perovskite solar cell. Detection of the evolved H2 and O2 with a 100 % Faradaic efficiency indicates that the observed...

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Bibliographic Details
Published in:ChemSusChem 2017-11, Vol.10 (22), p.4420-4423
Main Authors: Iwase, Akihide, Kudo, Akihiko, Numata, Youhei, Ikegami, Masashi, Miyasaka, Tsutomu, Ichikawa, Naoto, Kato, Masashi, Hashimoto, Hideki, Inoue, Haruo, Ishitani, Osamu, Tamiaki, Hitoshi
Format: Article
Language:English
Subjects:
bismuth vanadate
Photoanodes
photocatalysis
Photoelectric effect
Photoelectric emission
Photovoltaic cells
silicon carbide
sustainable chemistry
Water splitting
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Summary:We have successfully demonstrated solar water splitting using a newly fabricated photoelectrochemical system with a Pt‐loaded SiC photocathode, a CoOx‐loaded BiVO4 photoanode, and a perovskite solar cell. Detection of the evolved H2 and O2 with a 100 % Faradaic efficiency indicates that the observed photocurrent was used for water splitting. The solar‐to‐hydrogen (STH) efficiency was 0.55 % under no additional bias conditions. Don′t take my sunshine away: Solar water splitting was successfully demonstrated in a wide range of sunlight using Pt‐loaded SiC photocathode upon combining it with a CoOx‐loaded BiVO4 photoanode, and a perovskite solar cell. The solar‐to‐hydrogen (STH) efficiency reached 0.55 % under no‐additional bias conditions.
ISSN:1864-5631
1864-564X
DOI:10.1002/cssc.201701663