期刊
MATERIALS LETTERS
卷 113, 期 -, 页码 30-33出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.09.064
关键词
Luminescence; Nanocrystalline materials; Optical materials and properties
资金
- National Science Council of the Republic of China, Taiwan [NSC 99-2112-M-259-006-MY3]
Bismuth oxychloride (Bi12O17Cl2) nanowires, for the first time, were successfully synthesized by chlorination of alpha-Bi2O3 nanowires at 350-400 degrees C. The as-grown sample consists of nanowires with diameters 200-400 nm and lengths of 10-15 mu m. XRD results show that the obtained nanowires are tetragonal structure. Both EDS and XPS confirm the composition and stoichiometry of Bi12O17Cl2 nanowires. The optical band gap of Bi12O17Cl2 nanowires was estimated to be 2.28 eV by absorption measurement. The Bi12O17Cl2 nanowires exhibit intense green (568 nm) and red (746 nm) emissions at room temperature. The obtained Bi12O17Cl2 nanowires may be potentially useful as photocatalysts and visible-light luminescent materials. (C) 2013 Elsevier B.V. All rights reserved.
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