Photocatalytic H2 evolution under visible light irradiation on AgIn5S8 photocatalyst

被引：81
|
作者：
Chen, Di [1 ]
Ye, Jinhua [1 ]
机构：
[1] Natl Inst Mat Sci, Photo Catalyt Mat Ctr, Tsukuba, Ibaraki 3050047, Japan
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2007年 / 68卷 / 12期
关键词：
chalcogenides; metals; chemical synthesis; X-ray diffraction;
D O I：
10.1016/j.jpcs.2007.07.059
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new visible-light-driven photocatalyst AgIn5S8 was prepared by a simple two-step process, which involves the first co-precipitation process at room temperature and subsequently heat-treatment process at 750 degrees C under pure argon flow protection. The obtained AgIn5S8 sample showed high activity for the evolution of hydrogen under visible light irradiation 420 nm) from aqueous solution containing S2- and SO32 ions as sacrificial electron donors. It was found that several experimental parameters, such as the concentration of sacrificial reagents and the loading of Pt co-catalyst, play important roles on the evolution rate of H-2 under visible light irradiation. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2317 / 2320
页数：4
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