PREPARATION OF SiO2-Pt-CdS COMPOSITE PROTOCATALYST AND ITS PHOTOCATALYTIC ACTIVITY FOR HYDROGEN EVOLUTION UNDER VISIBLE LIGHT

被引：13
|
作者：
Peng, Shaoqin [1 ]
Xie, Dan [1 ]
Li, Yuexiang [1 ]
Lu, Gongxuan [2 ]
Li, Shuben [2 ]
机构：
[1] Nanchang Univ, Dept Chem, Nanchang 330031, Peoples R China
[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China
来源：
REACTION KINETICS AND CATALYSIS LETTERS | 2008年 / 95卷 / 01期
基金：
高等学校博士学科点专项科研基金;
关键词：
SiO2-CdS; composite; hydrogen evolution; visible light;
D O I：
10.1007/s11144-008-5230-9
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：
CdS nanoparticles were prepared by the precipitation method. Pt was loaded on CdS by photodeposition. SiO2-Pt-CdS was synthesized via hydrolysis of tetraethylorthosilicate in the presence of Pt-CdS. The samples were characterized by XRD, BET, PL and UV-Vis techniques. The photocatalytic activity of the samples for hydrogen evolution was investigated under visible light irradiation (lambda >= 420 nm). The stability and activity of CdS was improved by coating SiO2.
引用
收藏
页码：185 / 192
页数：8
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