Facile Synthesis of TiO2 Microspheres with Reactive (001) Facets for Improved Photocatalytic Performance

被引：6
|
作者：
Gao, Bifen [1 ]
Luo, Xiuzhen [2 ]
Fu, Hao [1 ]
Chen, Yilin [1 ]
Lin, Bizhou [1 ]
Gu, Zhanjun [3 ]
机构：
[1] Huaqiao Univ, Dept Appl Chem, Coll Mat Sci & Engn, Xiamen 361021, Peoples R China
[2] Zhangzhou Hlth Vocat Coll, Zhangzhou 363000, Peoples R China
[3] Chinese Acad Sci, Inst High Energy Phys, Key Lab Biomed Effects Nanomat & Nanosafety, Beijing 100049, Peoples R China
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2014年 / 14卷 / 05期
基金：
中国国家自然科学基金;
关键词：
TiO2; Photocatalysis; Microstructure; Facet; NANOCRYSTALS; PERCENTAGE; NANOTUBES;
D O I：
10.1166/jnn.2014.8273
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Anatase TiO2 microspheres with a high percentage of exposed (001) facets were synthesized by a template-free hydrothermal method without using concentrated hydrofluoric acid. The influence of various experiment conditions, such as hydrothermal temperature, acid condition, reaction time, etc., on the morphology of the final products was investigated in detail. The formation mechanism of the microspheres was deduced according to the XRD, SEM, TEM, and HRTEM characterizations. The as-obtained microspheres exhibited superior photocatalytic activity in the degradation of Acid Red 88 compared to TiO2 without exposed (001) facet.
引用
收藏
页码：3969 / 3975
页数：7
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