Enhanced H2 Evolution on ZnIn2S4 Photocatalyst under Visible Light by Surface Modification with Metal Cyanoferrates

The surface modification with zinc or indium cyanoferrate species was revealed to significantly increase the rate of H2 evolution on Pt-loaded ZnIn2S4 photocatalyst under visible light in the presence of [Fe(CN)6]4− as an electron donor basically due to the stable redox behavior, in addition to the...

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Bibliographic Details
Published in:Chemistry letters 2018-07, Vol.47 (7), p.941-944
Format: Article
Language:English
Online Access:Get full text
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Summary:The surface modification with zinc or indium cyanoferrate species was revealed to significantly increase the rate of H2 evolution on Pt-loaded ZnIn2S4 photocatalyst under visible light in the presence of [Fe(CN)6]4− as an electron donor basically due to the stable redox behavior, in addition to the previously reported cadmium cyanoferrate species. A stepwise modification was found to enable the formation of thin layers of such cyanoferrate on the photocatalyst surface and thereby improve further the rate of H2 evolution.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.180369