CuS, NiS as co-catalyst for enhanced photocatalytic hydrogen evolution over TiO2

被引：121
|
作者：
Wang, Qizhao [1 ]
Yun, Guoxia [1 ]
Bai, Yan [2 ]
An, Ning [1 ]
Chen, Yutao [1 ]
Wang, Rongfang [1 ]
Lei, Ziqiang [1 ]
Shangguan, Wenfeng [3 ]
机构：
[1] Northwest Normal Univ, Coll Chem & Chem Engn, Key Lab Ecoenvironm Related Polymer Mat, Minist Educ China,Key Lab Gansu Polymer Mat, Lanzhou 730070, Peoples R China
[2] Northwest Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Peoples R China
[3] Shanghai Jiao Tong Univ, Res Ctr Combust & Environm Technol, Shanghai 200240, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 25期
基金：
中国国家自然科学基金;
关键词：
Water splitting; Titanium dioxide; Dual co-catalysts; Photocatalytic; Hydrogen evolution; H-2; EVOLUTION; AQUEOUS-SOLUTION; CDS; GENERATION; GRAPHENE; SULFIDE; WATER; MOS2; DYES;
D O I：
10.1016/j.ijhydene.2014.04.020
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
TiO2 photocatalysts loaded CuS and NiS as co-catalyst were prepared by hydrothermal approach and characterized by XRD, UV-visible DRS, BET, XPS, SEM and TEM. When TiO2 was loaded MS as co-catalyst, it showed higher photocatalytic activities for splitting water into hydrogen in methanol aqueous solution under 500 W Xe lamp. Among the photocatalysts with various compositions, the maximum evolution of H-2 obtained from 5 wt% CuS-5 wt% NiS-TiO2 sample was about 800 mu mol h(-1), which was increased up to about twenty-eight times than that of TiO2 alone. It was proven that CuS, NiS can act as effective dual co-catalysts to enhance the photocatalytic H-2 production activity of TiO2. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：13421 / 13428
页数：8
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