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Issue 8, 2019
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Loading Co3N nanoparticles as efficient cocatalysts over Zn0.5Cd0.5S for enhanced H2 evolution under visible light

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Abstract

Exploiting high performance and noble-metal-free catalysts is of great interest in photocatalytic water splitting. In this study, Co3N nanoparticles were successfully decorated on Cd0.5Zn0.5S as highly efficient co-catalysts via a facile method. The Co3N(2 wt%)/Cd0.5Zn0.5S composite sample showed the highest photocatalytic H2 evolution activity. A corresponding H2 evolution rate of 160.7 mmol h−1 g−1 was achieved in 0.35 M Na2S/0.25 M Na2SO3, which was about 25 times higher than that of a pure Cd0.5Zn0.5S sample. The H2 production rate of Co3N(2 wt%)/Cd0.5Zn0.5S reached 218.8 mmol h−1 g−1 in 1.05 M Na2S/0.75 M Na2SO3 under visible light irradiation (λ > 420 nm) and the apparent quantum yield (AQY) was 30.2% at 420 nm.

Graphical abstract: Loading Co3N nanoparticles as efficient cocatalysts over Zn0.5Cd0.5S for enhanced H2 evolution under visible light

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Publication details

The article was received on 24 Dec 2018, accepted on 23 Jan 2019 and first published on 23 Jan 2019


Article type: Paper
DOI: 10.1039/C8DT05087B
Citation: Dalton Trans., 2019,48, 2676-2682

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    Loading Co3N nanoparticles as efficient cocatalysts over Zn0.5Cd0.5S for enhanced H2 evolution under visible light

    Z. Jin, T. Wei, Lixue Li, F. Li, R. Tao and L. Xu, Dalton Trans., 2019, 48, 2676
    DOI: 10.1039/C8DT05087B

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