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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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Supplementary files

Article information


Submitted
24 Dec 2018
Accepted
23 Jan 2019
First published
23 Jan 2019

Dalton Trans., 2019,48, 2676-2682
Article type
Paper

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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