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Issue 68, 2019, Issue in Progress
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The photogenerated charge characteristics in Ni@NiO/CdS hybrids for increased photocatalytic H2 generation

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Abstract

Solar-driven H2 generation from water splitting with semiconductor materials is considered an effective solution to solve the problems of energy shortage and environmental pollution at a low cost. In this study, a highly efficient photocatalyst Ni@NiO/CdS for H2 evolution was synthesised using a simple solvothermal method and calcination. The HRTEM results and elemental mapping tests confirmed that Ni@NiO was successfully loaded on the surface of CdS. For Ni@NiO loaded, Ni@NiO/CdS exhibited remarkable photocatalytic H2 evolution activity of 87.6 μmol h−1, which was about 104 times higher than that of pure CdS. The enhanced H2 evolution activity of Ni@NiO/CdS was ascribed to the prolonged lifetime of the photogenerated charges and the reduced surface overpotential for H2 evolution.

Graphical abstract: The photogenerated charge characteristics in Ni@NiO/CdS hybrids for increased photocatalytic H2 generation

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Supplementary files

Article information


Submitted
03 Aug 2019
Accepted
04 Nov 2019
First published
02 Dec 2019

This article is Open Access

RSC Adv., 2019,9, 39604-39610
Article type
Paper

The photogenerated charge characteristics in Ni@NiO/CdS hybrids for increased photocatalytic H2 generation

L. Zhang, X. Zhu, Y. Zhao, P. Zhang, J. Chen, J. Jiang and T. Xie, RSC Adv., 2019, 9, 39604
DOI: 10.1039/C9RA06034K

This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material and it is not used for commercial purposes.

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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