Studies on facile synthesis and properties of mesoporous CdS/TiO2 composite for photocatalysis applications

被引：78
作者：
Zhou, Panpan [1 ,2 ]
Le, Zhanggao [1 ]
Xie, Yu [1 ,2 ]
Fang, Jing [2 ]
Xu, Jiangwei [2 ]
机构：
[1] East China Univ Technol, Dept Appl Chem, Nanchang 330013, Peoples R China
[2] Nanchang Hangkong Univ, Dept Chem Mat, Nanchang 330063, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 692卷
基金：
中国国家自然科学基金;
关键词：
Mesoporous; Photocatalyst; CdS/TiO2; Nanocomposites; Photocatalysis; ENHANCED CO2 PHOTOREDUCTION; TIO2; DEGRADATION; ANATASE; LIGHT; PHOTOACTIVITY; DECOMPOSITION; CATALYST; FILM;
D O I：
10.1016/j.jallcom.2016.09.039
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/TiO2 composites in different ratios were prepared by a simple two-step sol gel route. The morphology, structure and composition of the composite were characterized with various techniques, such as X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), electron microscopy, UV visible diffuse reflectance spectroscopy (UV-Vis), Raman spectra and nitrogen adsorption-desorption tests. The results show that the product is in a mesoporous structure with uniformly dispersed particles. In particular, 2% CdS/TiO2 possesses the largest specific surface area of 18.980 m(2)/g, with a total pore volume of 0.3176 cm(3)/g and an average pore diameter of 15.51 nm. This sample also delivers the highest photocatalytic degradation efficiency of Methyl Orange (MO). Photocurrent measurements reveal the excellent photoelectrochemical properties of the 2% CdS/TiO2 composite. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：170 / 177
页数：8
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