Synthesis and characterization of single-crystal Sb2S3 nanotubes via an EDTA-assisted hydrothermal route

被引：41

作者：

Chen, Guang-Yi ^{[2
]}

Zhang, Wan-Xi ^{[2
]}

Xu, An-Wu ^{[1
]}

机构：

[1] Univ Sci & Technol China, Div Nanomat & Chem, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China

[2] Dalian Univ Technol, Sch Automot Engn, Dalian 116024, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2010年 / 123卷 / 01期

基金：

安徽省自然科学基金; 中国国家自然科学基金;

关键词：

Nanostructures; Chalcogenides; Crystal growth; Optical properties; INORGANIC NANOTUBES; LARGE-SCALE; M2S3; M; GROWTH; NANOWIRES; NANORODS; NANORIBBONS; BI; SB;

D O I：

10.1016/j.matchemphys.2010.04.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single-crystalline Sb2S3 nanotubes have been successfully prepared by a simple hydrothermal method. It was found that ethylenediaminetetraacetic acid (EDTA) plays a key role in the formation of Sb2S3 nanotubes. Without EDTA, only irregular particles with a size of several micrometers were produced. The morphology and structure of the obtained Sb2S3 nanotubes were characterized by XRD, SEM, TEM, and EDS analysis in detail. UV-vis-NIR spectroscopy was further employed to estimate the band gap energy of the obtained products. The measurement of the optical properties revealed that the obtained nanotubes have a band gap of 1.55 eV. The obtained Sb2S3 nanotubes may find potential applications in photoelectronic and solar energy because the experimental band gap is close to the optimum value for photovoltaic conversion. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：236 / 240

页数：5

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