期刊
CERAMICS INTERNATIONAL
卷 39, 期 3, 页码 2803-2810出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2012.09.049
关键词
Mulberry-like ZnO particles; Microwave hydrothermal method; Formation mechanism; Antibacterial property
资金
- International Science and Technology Cooperation Program of China [2011DFA43490]
- National Natural Science Foundation of China [51073091, 21006061]
- Fok Ying-Tong Education Foundation [131108]
- Graduate Innovation Fund of Shaanxi University of Science and Technology
Large-scale uniform mulberry-like ZnO particles were successfully synthesized via a fast and simple microwave hydrothermal method. The formation mechanism of mulberry-like ZnO particles was investigated by adding different types of alkalis and different amounts of triethanolamine (TEA). Transmission electron microscopy (TEM), scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to observe the morphology and crystal structure of the obtained ZnO. The results revealed that the as-prepared ZnO products had an average diameter of about 150 nm and polycrystalline wurtzite structure. The existence of TEA was vital for the formation of nanoparticle-assembled mulberry-like ZnO particles. These mulberry-like ZnO particles exhibited stronger antibacterial effects on Candida albicans than did sheet-like and flower-like ZnO. (c) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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