Journal
THIN SOLID FILMS
Volume 519, Issue 16, Pages 5673-5678Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2011.02.070
Keywords
Zinc oxide; Photocatalysis; Porous; Nanostructures
Categories
Funding
- National Natural Science Foundation of China [20701033, 50972130, 10874153, 20901081]
- Qianjiang Talent Program of Zhejiang Province [QJD1002001]
- Chinese Academy of Sciences
- National 973 Program [2010CB933501]
- Beijing Natural Science Foundation [2112042]
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry
- Zhengjiang Top Academic Discipline of Applied Chemistry and Eco-Dyeing Finishing [YR2010004]
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Well-defined ZnO nanostructured films have been fabricated directly on Zn foil via hydrothermal synthesis. During the fabrication of the ZnO nanostructured films, the Zn foil serves as the Zn source and also the substrate. Porous nanosheet-based, nanotube-based and nanoflower-based ZnO films can all be easily prepared by adjusting the alkali type, reaction time and reaction temperature. The composition, morphology and structure of ZnO films are characterized by X-ray diffraction, scanning electron microscope and high-resolution transmission electron microscope. The porous ZnO nanosheet-based film exhibits enhanced photocatalytic activity in the degradation of Rhodamine B under UV light irradiation. This can be attributed to the high surface area of the ZnO nanosheet and the large percentage of the exposed [001] facet. Moreover, the self-supporting, recyclable and stable ZnO photocatalytic film can be readily recovered and potentially applied for pollution disposal. (C) 2011 Published by Elsevier B.V.
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