期刊
SUPERLATTICES AND MICROSTRUCTURES
卷 51, 期 1, 页码 128-134出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.spmi.2011.11.006
关键词
Chemical synthesis; ZnO; Hierarchical microspheres; Superhydrophobicity; Stearic acid
资金
- National Natural Science Foundation of China [21001003]
- Natural Science Foundation of Anhui Province of China [10040606Q15]
- Natural Science Research for Colleges and Universities of Anhui Province of China [KJ2010A101]
Flower-like hierarchical ZnO microspheres were successfully synthesized by a simple, template-free, and low-temperature aqueous solution route. The morphology and microstructure of the ZnO microspheres were examined by X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The bionic films with hydrophobicity were fabricated by the hierarchical ZnO microspheres modified by stearic acid. It was found that the hydrophobicity of the thin films was very sensitive to the added amount of stearic acid. The thin films modified with 8% stearic acid took on strong superhydrophobicity with a water contact angle (CA) almost to be 178 degrees and weak adhersion. The remarkable superhydrophobicity could be attributed to the synergistic effect of micro/nano hierarchical structure of ZnO and low surface energy of stearic acid. (C) 2011 Elsevier Ltd. All rights reserved.
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