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Solvothermal Synthesis of Ternary Sulfides of Sb2 − xBixS3 (x = 0.4, 1) with 3D Flower-Like Architectures

Sun, Jiquan and Shen, Xiaoping and Guo, Lijun and Wang, Guoxiu and Park, Jinsoo and Wang, Kun (2009) Solvothermal Synthesis of Ternary Sulfides of Sb2 − xBixS3 (x = 0.4, 1) with 3D Flower-Like Architectures. Nanoscale Research Letters, 5 (2). pp. 364-369.

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Official URL: http://www.springerlink.com/content/l844p80xm60700...

Abstract

Flower-like nanostructures of Sb2 − x Bi x S3 (x = 0.4, 1.0) were successfully prepared using both antimony diethyldithiocarbamate [Sb(DDTC)3] and bismuth diethyldithiocarbamate [Bi(DDTC)3] as precursors under solvothermal conditions at 180 °C. The prepared Sb2 − x Bi x S3 with flower-like 3D architectures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDS), high-resolution transmission electron microscopy (HRTEM), and selected area electron diffraction (SAED). The flower-like architectures, with an average diameter of ~4 μm, were composed of single-crystalline nanorods with orthorhombic structures. The optical absorption properties of the Sb2 − x Bi x S3 nanostructures were investigated by UV–Visible spectroscopy, and the results indicate that the Sb2 − x Bi x S3 compounds are semiconducting with direct band gaps of 1.32 and 1.30 eV for x = 0.4 and 1.0, respectively. On the basis of the experimental results, a possible growth mechanism for the flower-like Sb2 − x Bi x S3 nanostructures is suggested.

Item Type:Article
Uncontrolled Keywords:Nanostructures - Semiconductor - Ternary sulfide - Solvothermal - Optical properties
Subjects:Material Science > Functional and hybrid materials
Technology > Nanotechnology and energy applications
Physical Science > Nanoelectronics
ID Code:8155
Deposited By:Lesley Tobin
Deposited On:12 Feb 2010 14:42
Last Modified:12 Feb 2010 14:42

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