Hydrothermal preparation and characterization of rod-like ultrafine powders of bismuth sulfide

被引：54
|
作者：
Yu, SH
Yang, J
Wu, YS
Han, ZH
Xie, Y
Qian, YT [1 ]
机构：
[1] Univ Sci & Technol China, Struct Res Lab, Anhua 230026, Peoples R China
[2] Univ Sci & Technol China, Dept Chem, Anhua 230026, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 1998年 / 33卷 / 11期
关键词：
inorganic compounds; semiconductors; chemical synthesis; X-ray diffraction;
D O I：
10.1016/S0025-5408(98)00161-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Uniform rod-like ultrafine powders of Bi2S3 with a diameter of 40 nm and a length of up to 150 nm have been successfully prepared by the hydrothermal treatment of an alkaline sol (pH = 8.0-10.0) from BiCl3 and Na2S . 9H(2)O with EDTA as complexing agent at relatively low temperature. Powder X-ray diffraction (XRD) pattern indicated that the product was pure orthorhombic Bi2S3 phase with cell constants a = 11.138, b = 11.290, and c = 3.980 Angstrom. The optimum condition for crystallization of amorphous Bi2S3 is hydrothermal treatment at 100-150 degrees C for 6 to 12 h. The X-ray photoelectron spectra and infrared (IR) spectra confirmed that the product was of high purity, (C) 1998 Elsevier Science Ltd.
引用
收藏
页码：1661 / 1666
页数：6
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