期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 13, 期 2, 页码 1418-1422出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2013.5956
关键词
ZnO; Nanowire Clusters; Chrysanthemum-Like; Hydrothermal Method; Growth Mechanism
类别
资金
- National Natural Science Foundation of China [60976069]
- Natural Science Foundation of ShaanXi Province, China [2010JM6008]
- Xi'an Scientific and Technological Project, China [CXY1008]
- Innovative Experiment Program for Chinese Students [101069736]
With sodium hydroxide (NaOH), ammonia water (NH3 center dot H2O) and hexamethylenetetramine (HMT, C6H12N4) respectively as alkaline source material, a simple hydrothermal process was employed to prepare chrysanthemum-like ZnO nanowire clusters. The morphologies and crystalline structures of the as-prepared products were investigated by X-ray diffractometer (XRD), field emission environment scanning electron microscope (SEM), and high-resolution transmission electron microscopy (TEM). The experimental results indicate that the as-prepared products all have three-dimensional chrysanthemum-like structure in which the petal-like nanowires are ZnO single crystalline with hexagonal wurtzite structure, that the flower bud saturation degree F-d is slightly different under different alkaline source materials, and that the proposed growth mechanism of chrysanthemum-like ZnO nanowire clusters is reasonable.
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