Preparation and photocatalytic activity of graphene-modified Ag2S composite

被引：17
|
作者：
Hu, Wenda [1 ]
Zhao, Leihong [1 ]
Zhang, Yuting [1 ]
Zhang, Xin [1 ]
Dong, Lvzhuo [1 ]
Wang, Sisi [1 ]
He, Yiming [2 ]
机构：
[1] Zhejiang Normal Univ, Inst Phys Chem, Jinhua 321004, Peoples R China
[2] Zhejiang Normal Univ, Dept Mat Phys, Jinhua 321004, Peoples R China
来源：
JOURNAL OF EXPERIMENTAL NANOSCIENCE | 2016年 / 11卷 / 06期
关键词：
photocatalysis; Ag2S; nanocomposites; graphene; VISIBLE-LIGHT; DEGRADATION; HETEROSTRUCTURES; REDUCTION; EFFICIENT; FACILE; DYES;
D O I：
10.1080/17458080.2015.1077533
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This paper presents a novel visible-light photocatalyst, graphene-modified Ag2S (GR/Ag2S), prepared by a facile and effective hydrothermal method with AgNO3, thioacetamide and graphene oxide (GO) as the precursor. The catalytic activities of the GR/Ag2S hybrids with different GR content (2%, 4%, 6%) were evaluated by photocatalytic decolourisation of rhodamine B (RhB) solution under visible-light irradiation. The improved photocatalytic activity of GR/Ag2S composites compared with pure Ag2S is observed and attributed to the enhanced absorption of organic dyes and increased separation efficiency of photogenerated electron-hole pairs. The 4% GR/Ag2S sample exhibits the best photocatalytic activity than the others.
引用
收藏
页码：433 / 444
页数：12
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