期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 481, 期 1-2, 页码 91-95出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2009.03.001
关键词
Nanostructure; Chemical synthesis; Crystal structure and symmetry
资金
- National Basic Research Program of China [2007CB607502]
- National Natural Science Foundation of China [50821004, 50702069]
Bi2Te3 nanosheets and nanotubes have been prepared via a microwave-assisted method using ethylene glycol as solvent and reducing agent at 180 degrees C, 190 degrees C and 195 degrees C. X-ray diffraction, transmission electron microscopy, electron diffraction, X-ray energy dispersive spectrometry and high-resolution transmission electron microscopy were employed to characterize the products. It is found that both the nanosheets and nanotubes are well-crystallized single crystals and morphologies of the products are greatly affected by the reaction temperature. A possible formation mechanism related to layer structure rolling was also proposed. (C) 2009 Elsevier B.V. All rights reserved.
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