Preparation of CuInS2/TiO2 nanotube heterojunction arrays electrode and investigation of its photoelectrochemical properties

被引：16
作者：
Li, Tingting [1 ,2 ]
Li, Xinyong [1 ]
Zhao, Qidong [1 ]
Teng, Wei [1 ]
机构：
[1] Dalian Univ Technol, Sch Environm Sci & Technol, Key Lab Ind Ecol & Environm Engn, State Key Lab Fine Chem,Minist Educ, Dalian 116024, Liaoning, Peoples R China
[2] Liaoning Tech Univ, Coll Civil Engn & Architecture, Fuxin 123000, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2014年 / 59卷
基金：
国家高技术研究发展计划(863计划);
关键词：
Nanostructures; Chemical synthesis; X-ray diffraction; Electrochemical properties; PHOTOELECTROCATALYTIC PERFORMANCE; CDS NANOPARTICLES; TIO2; COMPOSITE; PHOTOCATALYST; OPTIMIZATION; DEGRADATION; FABRICATION; MORPHOLOGY; EFFICIENCY;
D O I：
10.1016/j.materresbull.2014.07.031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
CuInS2/TiO2 nanotube heterojunction arrays electrode was synthesized via a modified successive ionic layer adsorption and reaction (SILAR) method. The morphology, crystalline structure and chemical composition of the composite electrode were characterized with field-emission scanning electron microscopy (SEM), X-ray diffraction (XRD) and X-ray photoelectron spectra (XPS), respectively. The optical properties were investigated by UV vis diffusion reflection spectra (DRS) and photoluminescence (PL) spectra as well as the photoelectrochemical measurements. Significantly enhanced photoelectrochemical properties of CuInS2/TiO2 NTs electrode were observed under visible light irradiation, which could be attributed to the high absorption coefficient of CuInS2 in visible region and the heterostructure formed between CuInS2 and TiO2. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：227 / 233
页数：7
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