期刊
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
卷 30, 期 6, 页码 839-846出版社
ELSEVIER
DOI: 10.1016/j.msec.2010.03.020
关键词
Mesoporous titania; Photocatalysis; Degradation of dyes; Biotemplate; Plant skins
资金
- National Basic Research Program of China [2008CB617514]
- National Natural Science Foundation of China [20863009]
- National Natural Science Foundation of Yunnan Province [2007B018M]
- Specialized Research Fund for the Doctoral Program of Higher Education
- Education Department Foundation of Yunnan Province [07211110]
- State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University [K-081031]
Anatase mesoporous titania with novel morphologies were synthesized by using the skins of tomatoes, bulb onions, grapes, and garlic bulbs, respectively, as templates and used for the photodegradation of Gentian violet, methyl violet, xylenol orange, and Rhodamine B under UV light. The samples were characterized by a combination of various physicochemical techniques, such as X-ray diffraction, SEM, HRTEM, N-2 adsorption/desorption. diffuse reflectance UV-Vis, and FT-IR. It was found that all of the synthesized mesoporous titania samples exhibited similar morphologies to those of the original templates. The photoactivity of P25 TiO2 for the four dyes is nearly the same while the mesoporous titania samples synthesized by using the four skins as templates exhibited varied photoactivities for the four dyes. (C) 2010 Elsevier B.V. All rights reserved.
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