期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 14, 期 5, 页码 3969-3975出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2014.8273
关键词
TiO2; Photocatalysis; Microstructure; Facet
类别
资金
- National Natural Science Foundation of China [21103054, 21003055]
- National Basic Research Programs of China 973 program [2012CB932504]
- Natural Science Foundation of Fujian Province of China [2012105024]
- Huaqiao University [11BS103]
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.
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