Microwave-assisted hydrothermal synthesis of Bi2S3 nanorods in flower-shaped bundles

被引：36
作者：
Thongtem, Titipun [1 ]
Pilapong, Chalermchai [1 ]
Kavinchan, Jutarat [1 ]
Phuruangrat, Anukorn [2 ]
Thongtem, Somchai [2 ]
机构：
[1] Chiang Mai Univ, Fac Sci, Dept Chem, Chiang Mai 50200, Thailand
[2] Chiang Mai Univ, Fac Sci, Dept Phys & Mat Sci, Chiang Mai 50200, Thailand
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 500卷 / 02期
关键词：
Semiconductors; Chemical synthesis; Luminescence; Scanning electron microscopy; Transmission electron microscopy; X-ray diffraction; MORPHOLOGY-CONTROLLED SYNTHESIS; CONTROLLABLE SYNTHESIS; SINGLE-SOURCE; NANOCRYSTALS; TEMPERATURE; NANOWIRES; SB2S3;
D O I：
10.1016/j.jallcom.2010.03.240
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Bi2S3 nanorods in flower-shaped bundles were successfully synthesized from the decomposition of Bi-thiourea complexes under the microwave-assisted hydrothermal process. X-ray powder diffraction (XRD) patterns and field emission scanning electron microscopy (FE-SEM) show that Bi2S3 has the orthorhombic phase and appears as nanorods in flower-shaped bundles. A transmission electron microscopic (TEM) study reveals the independent single Bi2S3 nanorods with their growth along the [0 0 1] direction. A possible formation mechanism of Bi2S3 nanorods in flower-shaped bundles is also proposed and discussed. Their UV-vis spectrum shows the absorbance at 596 nm, with its direct energy band gap of 1.82 eV. (C) 2010 Elsevier B.V. All rights reserved.
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收藏
页码：195 / 199
页数：5
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