期刊
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
卷 69, 期 2, 页码 370-377出版社
SPRINGER
DOI: 10.1007/s10971-013-3229-9
关键词
ZnO; Porous structure; Etching; Gas sensitivity; Photocatalysis
资金
- National Natural Science Foundation of China [21171045, 21101046]
- Natural Science Foundation of Heilongjiang Province of China [ZD201214, B201206]
- Program for Scientific and Technological Innovation team Construction in Universities of Heilongjiang province [2011TD010]
- Research Fund for the Doctoral Program of Higher Education of China [20102329110002]
- Pre-research Found for Technological Development of Harbin Normal University [12XYG-11]
Monodispersed porous ZnO nanospheres with diameters about 400-600 nm were successfully fabricated by a facile and effective cationic surfactant assisted selective etching strategy. The as-synthesized ZnO materials were characterized by X-ray diffraction, scanning electron microscope, transmission electron microscope and N-2 adsorption-desorption. These samples were used as the gas sensor, showing the high, stable and fast response to acetone, revealing the potential application as gas sensor to detect acetone. In addition, the photocatalytic degradation property of the porous ZnO nanospheres for methyl orange (MO) under UV irradiation was investigated. The degradation efficiency of MO reaches 96 % of the porous ZnO samples after 50 min of UV-light irradiation.
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