Effect of calcination temperature on the structural properties and photocatalytic activities of solvothermal synthesized TiO2 hollow nanoparticles

被引：46
作者：
He, Fei [1 ]
Ma, Fang [1 ]
Li, Jinlin [3 ,4 ]
Li, Tao [1 ,2 ]
Li, Guangxing [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Minist Educ, Key Lab Large Format Battery Mat & Syst, Wuhan 430074, Peoples R China
[3] South Cent Univ Nationalities, State Ethn Affairs Commiss, Key Lab Catalysis & Mat Sci, Wuhan 430074, Peoples R China
[4] South Cent Univ Nationalities, Minist Educ, Wuhan 430074, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2014年 / 40卷 / 05期
基金：
中国国家自然科学基金;
关键词：
TiO2 hollow nanoparticles; Calcination temperature; Photocatalytic activity; Hydroxyl groups; HYDROTHERMAL SYNTHESIS; TITANATE NANOTUBES; MESOPOROUS TITANIA; THIN-FILMS; COMPOSITE; MICROSTRUCTURES; NANOCOMPOSITE; MICROSPHERES; DEGRADATION; PERFORMANCE;
D O I：
10.1016/j.ceramint.2013.11.094
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：
TiO2 hollow nanoparticles were prepared by the solvothermal method, calcined at different temperatures and characterized by XRD, BET, SEM, PL and FT-IR. The effects of morphology, size and calcination temperature on the photocatalytic activity of the prepared materials were discussed in detail. It was found that the calcination temperature altered the crystallinity, morphology, surface area, and the porous structure. The photocatalytic activity of the TiO2 powders evaluated through photocatalytic degradation of gaseous acetone under UV-light irradiation, showed TiO2 calcined at 250 degrees C to exhibit a higher photocatalytic activity than commercial powders (Degussa P25). (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：6441 / 6446
页数：6
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