Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 40, Issue 22, Pages 7045-7051Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2015.04.005
Keywords
CdS; Hydrogen production; Photocatalysis; Reduced graphene oxide
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Funding
- National Natural Science Foundation of China [21103106]
- Shanghai Key Project for Fundamental Research [13JC1402800]
- Dawn Program of Shanghai Education Commission [11SG52]
- Science and Technology Commission of Shanghai Municipality [14DZ2261000]
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CdS were synthesised in situ on graphene oxide (GO) using a simple solvothermal method. GO in the prepared powders was then photoreduced into RGO to form the CdS/GO composites. The samples were characterised by using the X-ray diffraction spectra (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), fluorescence spectrum and Raman spectrum. The prepared CdS/RGO exhibited much higher activity for H-2 evolution than CdS or CdS mechanically loaded with GO under visible light irradiation (>420 nm). The improved photocatalyst performance of CdS/RGO was attributed to enhancement of the connection between CdS and RGO sheets, which accelerates the effect of the separation of photoinduced electrons and holes by transferring the photoinduced electron to RGO sheets.Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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