The synthesis, characterization, photocatalytic evaluation and deactivation behavior of sheet-like nano titania

被引:1
作者
Cai Guofa [1 ]
Liao Jing [1 ]
Zhang Hongjian [1 ]
Gu Shaoxuan [2 ]
Liu Baoshun [1 ,2 ]
Zhao Xiujian [1 ]
机构
[1] Wuhan Univ Technol, State Key Lab Silicate Mat & Architectures, Wuhan 430070, Peoples R China
[2] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China
来源
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2012年 / 27卷 / 05期
基金
中国国家自然科学基金;
关键词
photocatalysis; titania; deactivation; absorption; crystal violet; NANOCRYSTALLINE TIO2; DOPED TIO2; DEGRADATION; FILMS; FABRICATION; DISPLAYS; TOLUENE; SOLS;
D O I
10.1007/s11595-012-0562-8
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The sheet-like nano TiO2 particles were prepared by using hydrothermal method, and were characterized by X-ray diffraction(XRD), infrared spectroscopy(IR), and transmission electron microscopy (TEM). It is found that the nanoparticle sizes and crystallinity increase with the increase of hydrothermal temperature from 150 A degrees C to 160 A degrees C, and then to 180 A degrees C. With the increase of particle sizes, the absorption capacities and photocatalytic abilities of as-prepared TiO2 particles for crystal violet become better and better. The nano TiO2 with big particles is more stable than that with small particles, although its initial photocatalytic activity is relatively lower compared with that of the small particle samples.
引用
收藏
页码:857 / 860
页数:4
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