Niobium-Doped Titania Photocatalyst Film Prepared via a Nonaqueous Sol-Gel Method

被引：26
|
作者：
Joshi, Bhavana N. [1 ]
Yoon, Hyun [1 ]
van Hest, Maikel F. A. M. [2 ]
Yoon, Sam S. [1 ]
机构：
[1] Korea Univ Anamdong, Sch Mech Eng, Seoul 136713, South Korea
[2] Natl Renewable Energy Lab, Golden, CO 80407 USA
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2013年 / 96卷 / 08期
关键词：
TIO2; THIN-FILMS; POLYCRYSTALLINE FILMS; ANATASE TIO2; NANOPARTICLES; DEPOSITION;
D O I：
10.1111/jace.12336
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Niobium-doped Titanium dioxide (Nb:TiO2) transparent films were successfully deposited on glass substrates using a non-aqueous sol-gel spin coating technique. The effect of Nb concentration on the structural and photocatalytic properties of Nb:TiO2 films was studied using X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), and UV visible spectroscopy. The films with 12at.% (atomic percent) Nb doped TiO2 showed excellent photocatalytic activity through 97.3% degradation of methylene blue (MB) after 2h of UV irradiation.
引用
收藏
页码：2623 / 2627
页数：5
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