Concepedia

La<sub>5</sub>Ti<sub>2</sub>Cu<sub>1−x</sub>Ag<sub>x</sub>S<sub>5</sub>O<sub>7</sub>photocathodes operating at positive potentials during photoelectrochemical hydrogen evolution under irradiation of up to 710 nm

Takashi Hisatomi, S. Okamura, Jingyuan Liu, Yuki Shinohara, Koichiro Ueda, Tomohiro Higashi, Masao Katayama, Tsutomu Minegishi, Kazunari Domen

Energy & Environmental Science · 2015 · 64 citations · 45 references

DOIFull text

Open access

Concepts

Abstract

Photoelectrodes of Al-doped La<sub>5</sub>Ti<sub>2</sub>Cu<sub>1−x</sub>Ag<sub>x</sub>S<sub>5</sub>O<sub>7</sub>powder generate a photocathodic current attributable to the hydrogen evolution reaction at +0.7 V<italic>vs.</italic>RHE.

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