Enhanced photocatalytic H2 evolution over CdS/Au/g-C3N4 composite photocatalyst under visible-light irradiation | Zendy

Xiaoling Ding | Zendy; Yingxuan Li | Zendy; Jie Zhao | Zendy; Yunqing Zhu | Zendy; Yan Li | Zendy; Wenye Deng | Zendy; Chuanyi Wang | Zendy

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Enhanced photocatalytic H₂ evolution over CdS/Au/g-C₃N₄ composite photocatalyst under visible-light irradiation

Author(s) -

Xiaoling Ding,

Yingxuan Li,

Jie Zhao,

Yunqing Zhu,

Yan Li,

Wenye Deng,

Chuanyi Wang

Publication year - 2015

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4926935

Subject(s) - photocatalysis , materials science , visible spectrum , heterojunction , irradiation , composite number , reagent , hydrogen production , photochemistry , chemical engineering , hydrogen , catalysis , optoelectronics , composite material , chemistry , biochemistry , physics , organic chemistry , nuclear physics , engineering

A novel heterojunction structured composite photocatalyst CdS/Au/g-C3N4 has been developed by depositing CdS/Au with a core (Au)-shell (CdS) structure on the surface of g-C3N4. The photocatalytic hydrogen production activity of the developed photocatalyst was evaluated under visible-light irradiation (λ > 420 nm) using methanol as a sacrificial reagent. As a result, its activity is about 125.8 times higher than that of g-C3N4 and is even much higher than that of Pt/g-C3N4. The enhancement in photocatalytic activity is attributed to efficient separation of the photoexcited charges due to the anisotropic junction in the CdS/Au/g-C3N4 system

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