Convenient hydrothermal decomposition process for preparation of nanocrystalline mineral Cu3BiS3 and Pb1-xBi2x/3S

被引：31
|
作者：
Hu, JQ
Deng, B
Wang, CR
Tang, KB
Qian, YT
机构：
[1] Univ Sci & Technol China, Struct Res Lab, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2003年 / 78卷 / 03期
关键词：
nanocrystalline; hydrothermal; Cu3BiS3; Pb1-xBi2x/3S;
D O I：
10.1016/S0254-0584(02)00219-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mineral nanocrystalline Cu3BiS3 and. Pb1-xBi2/3S (or Bi0.22Pb0.89S1.22) have been prepared at low synthetic temperature of 100-150degreesC by convenient hydrothermal decomposition process. X-ray powder diffraction, transmission electron microscopy, X-ray photoelectron spectra, and element analysis were used to characterize and measure the samples. The as-prepared Cu3BiS3 sample consisted of whisker-like particles with an average size of 50 x 10 nm(2) and the Pb1-xBi2/3S sample displayed aggregative particles with size in the range of 30-50 nm. Preliminary results showed that the prepared precursors, reaction temperature and time played a role in the formation of the final products. A possible reaction mechanism was also discussed briefly. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：650 / 654
页数：5
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