期刊
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
卷 26, 期 -, 页码 225-230出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2014.04.023
关键词
ZnO; Cd-doping; Photocatalytic
类别
资金
- National Natural Science Foundation of China [61204065, 61205193, 61307045]
- Research Fund for the Doctoral Program of Higher Education of China [20112216120005]
- Developing Project of Science and Technology of Jilin Province [20121816, 201201116, 20140520107JH, 20140204025GX]
- National Key Laboratory of High Power Semiconductor Lasers Foundation [9140C310101120C031115]
- Research Start Fund of Jilin Agriculture University [201238]
Zinc oxide (ZnO) nanoflowers doped with cadmium ions was prepared by a hydrothermal method and the photocatalytic activities of the as-prepared samples for the rhodamine B (RhB) photo-degradation were investigated. The results we got are the crystal quality of the samples which are much weakened on increasing doping concentration from 5 to 20 at%. The absorption edge and the UV emission peak of the Cd-doped ZnO nanoflowers shifted to longer wavelength. It was also found that the band gap decreased from 3.24 eV to 3.06 eV. Especially, the 5% Cd-doped ZnO nanoflowers reached the highest photocatalytic activity which increased the rate of photocatalytic degradation of rhodamine B (RhB) up to 98% after 3 h of irradiation. And the photocatalytic activities of the 5% Cd-doped ZnO nanoflowers are higher than other samples. (C) 2014 Elsevier Ltd. All rights reserved.
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