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A facile chemical conversion synthesis of Sb2S3 nanotubes and the visible light-driven photocatalytic activities

Xuemin Shuai12 and Wenzhong Shen12*

Author Affiliations

1 Laboratory of Condensed Matter Spectroscopy and Opto-Electronic Physics, Department of Physics, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai 200240, China

2 Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), Department of Physic, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai 200240, China

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Nanoscale Research Letters 2012, 7:199  doi:10.1186/1556-276X-7-199

Published: 26 March 2012


We report a simple chemical conversion and cation exchange technique to realize the synthesis of Sb2S3 nanotubes at a low temperature of 90°C. The successful chemical conversion from ZnS nanotubes to Sb2S3 ones benefits from the large difference in solubility between ZnS and Sb2S3. The as-grown Sb2S3 nanotubes have been transformed from a weak crystallization to a polycrystalline structure via successive annealing. In addition to the detailed structural, morphological, and optical investigation of the yielded Sb2S3 nanotubes before and after annealing, we have shown high photocatalytic activities of Sb2S3 nanotubes for methyl orange degradation under visible light irradiation. This approach offers an effective control of the composition and structure of Sb2S3 nanomaterials, facilitates the production at a relatively low reaction temperature without the need of organics, templates, or crystal seeds, and can be extended to the synthesis of hollow structures with various compositions and shapes for unique properties.

Nanotubes; Chemical transformation; Cation exchange; Growth mechanism; Optical and photocatalytic properties