Study on photoelectric properties of surface TiO2 nanoparticles doped with Sn4+ ion

被引：0
|
作者：
Xu J. [1 ]
Xu H. [2 ]
机构：
[1] School of Physics and Electronics, Henan University, Kaifeng
[2] Department of Automatic Control, Henan Institute of Technology, Xinxiang
来源：
Xu, Haigang (hndxflamezl@163.com) | 2018年 / Italian Association of Chemical Engineering - AIDIC卷 / 66期
基金：
中国国家自然科学基金;
关键词：
Photoelectricity - Surface properties - Sol-gel process - TiO2 nanoparticles - Ions - Sol-gels;
D O I：
10.3303/CET1866225
中图分类号：
学科分类号：
摘要：
This paper prepares pure TiO2 nanoparticles and TiO2 nanoparticles doped with different tin contents using sol-gel method, characterizes the structure of the samples using XRD, UV-Vis and surface photovoltage spectroscopy (SPS), analyzes the effects of annealing temperature and Sn4+ doping amount on the surface photoelectric properties of TiO2 nanoparticles, and discusses the mechanism of the effect of Sn4+ doping on the surface photoelectric properties of TiO2 nanoparticles. The experimental results show that the tin ion doping can significantly increase the surface photovoltage of the TiO2 nanoparticles, while 3 mol% is the optimal doping concentration for tin ion. Copyright © 2018, AIDIC Servizi S.r.l.
引用
收藏
页码：1345 / 1350
页数：5
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