Preparation of Bi2S3 nanowhiskers and their morphologies

被引：60
|
作者：
He, R [1 ]
Qian, XF [1 ]
Yin, J [1 ]
Zhu, ZK [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Natl Lab Composite Mat, Sch Chem & Chem Technol, Shanghai 200240, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2003年 / 252卷 / 04期
关键词：
crystal morphology; nanostructures; solvents; sulfides; semiconductor materials;
D O I：
10.1016/S0022-0248(03)00968-0
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Bismuth sulfide (Bi2S3) nanowhiskers were prepared via a microwave-assisted route in organic solvent through the reaction of thiourea and bismuth nitrate in the presence of poly (N-vinyl-2-pyrrolidone). The detailed reaction progress was followed by powder X-ray diffraction (XRD) and transmission electron microscopy (TEM). The morphology of the as-prepared Bi2S3 nanowhiskers was filaments extending radially from a nucleation site. The formation of the nanowhiskers was similar to the VLS crystal growth mechanism. The influence of PVP and sulfur sources on the morphology of the prepared Bi2S3 was also investigated. (C) 2003 Elsevier Science B.V. All rights reserved.
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收藏
页码：505 / 510
页数：6
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