期刊
JOURNAL OF CRYSTAL GROWTH
卷 434, 期 -, 页码 1-6出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcrysgro.2015.10.028
关键词
Crystal structure; Hydrothermal crystal growth; Nanomaterials; Semiconducting ternary compounds
资金
- Natural Science Foundation for Distinguished Young Scholars of Xinjiang [2013711007]
- National Natural Science Foundation of China [51472052, 51372027, 10864004, 11164026]
Bi-2(Te1-xSex)(3) ternary nanosheets have been successfully synthesized through a facile solvothermal technique using diethylenetriamine as solvent, where x can vary from 0 to 1. X-ray diffraction (XRD) and Scanning electron microscopy (SEM) indicate that the as-synthesized Bi-2(Te1-xSex)(3) samples are nanosheets with rhombohedral structure, and the thickness of the nanosheets can be as thin as several nanometers. High resolution transmission electron microscopy (HRTEM) and selected area electron diffraction (SAED) reveal that the nanosheets are single crystalline with a rhombohedral structure. Energy disperse spectroscopy (EDS) and XRD analysis by Vegard's law confirm that the ternary Bi-2(Te1-xSex)(3) nanosheets have been obtained here. The growth of the nanosheets is discussed based on an amine-based molecular template mechanism that has been employed to synthesize some other metal chalcogenides. (C) 2015 Elsevier B.V. All rights reserved.
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