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

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

doi:10.1021/ja312653y

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 journal › Article › peer-review

259 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 language	English
Pages (from-to)	3733-3735
Number of pages	3
Journal	Journal of the American Chemical Society
Volume	135
Issue number	10
DOIs	https://doi.org/10.1021/ja312653y
Publication status	Published - 2013 Mar 13
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja312653y

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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.",

author = "Makoto Moriya and Tsutomu Minegishi and Hiromu Kumagai and Masao Katayama and Jun Kubota and Kazunari Domen",

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AU - Moriya, Makoto

AU - Minegishi, Tsutomu

AU - Kumagai, Hiromu

AU - Katayama, Masao

AU - Kubota, Jun

AU - Domen, Kazunari

PY - 2013/3/13

Y1 - 2013/3/13

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AB - 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.

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

Abstract

ASJC Scopus subject areas

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