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

被引：15
|
作者：
Matsuoka, Hikaru [1 ]
Higashi, Masanobu [1 ]
Nakada, Akinobu [1 ]
Tomita, Osamu [1 ]
Abe, Ryu [1 ,2 ]
机构：
[1] Kyoto Univ, Grad Sch Engn, Nishikyo Ku, Kyoto 6158510, Japan
[2] JST CREST, Chiyoda Ku, 5 Sanbancho, Tokyo 1020075, Japan
来源：
CHEMISTRY LETTERS | 2018年 / 47卷 / 07期
关键词：
Photocatalyst; Water splitting; Metal sulfide; HYDROGEN-PRODUCTION; WATER; SULFIDE; IRRADIATION; MEDIATOR;
D O I：
10.1246/cl.180369
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The surface modification with zinc or indium cyanoferrate species was revealed to significantly increase the rate of H-2 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 H-2 evolution.
引用
收藏
页码：941 / 944
页数：4
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