Stable hydrogen evolution from cds-modified CuGaSe2 photoelectrode under visible-light irradiation

Makoto Moriya, Tsutomu Minegishi, Hiromu Kumagai, Masao Katayama, Jun Kubota, Kazunari Domen

Research output: Contribution to journalArticlepeer-review

221 Citations (Scopus)

Abstract

The photoelectrochemical properties of CuGaSe2 modified by deposition of a thin CdS layer were investigated. The CdS layer formed a p-n junction on the surface of the electrode, improving its photoelectrochemical properties. There was an optimal CdS thickness because of the balance between the charge separation effect and light absorption by CdS. CdS-deposited CuGaSe2 showed high stability under the observed reaction conditions and evolved hydrogen continuously for more than 10 days.

Original languageEnglish
Pages (from-to)3733-3735
Number of pages3
JournalJournal of the American Chemical Society
Volume135
Issue number10
DOIs
Publication statusPublished - 2013 Mar 13
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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