Biomolecule-assisted hydrothermal synthesis of In2S3 porous films and enhanced photocatalytic properties

Weiming Qiu; Mingsheng Xu; Xi Yang; Fei Chen; Yaxiong Nan; Jinglin Zhang; Hideo Iwai; Hongzheng Chen

doi:10.1039/C1JM11616A

Biomolecule-assisted hydrothermal synthesis of In₂S₃ porous films and enhanced photocatalytic properties†

Weiming Qiu,^a Mingsheng Xu,^a Xi Yang,^a Fei Chen,^b Yaxiong Nan,^a Jinglin Zhang,^a Hideo Iwai^c and Hongzheng Chen*^a

Author affiliations

* Corresponding authors

^a State Key Lab of Silicon Materials, MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, P. R. China
E-mail: hzchen@zju.edu.cn
Fax: +86-571-87952557
Tel: +86-571-87952557

^b Laboratory of Polymer Materials and Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo, P. R. China

^c Materials Analysis Station, Department of Materials Infrastructure, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki, Japan

Abstract

We report the synthesis and formation mechanism of In₂S₃ porous films composed of ultrathin curved nanoflakes by a simple and environment-friendly biomolecule-assisted hydrothermal process. We find that concentrations of the pH conditioner and the biomolecule glutathione significantly affect the morphology and structure of In₂S₃ films. The as-synthesized In₂S₃ porous films exhibit strong absorption in the ultraviolet region and the early visible region of the UV-Vis spectrum, with the absorption threshold around 501 nm. As compared with its dense film, the In₂S₃ porous film shows enhanced photocatalytic properties for the degradation of methyl orange due to its porous and curved nanostructures.

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Article information

DOI: https://doi.org/10.1039/C1JM11616A
Article type: Paper
Submitted: 15 Apr 2011
Accepted: 10 Jun 2011
First published: 03 Aug 2011

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J. Mater. Chem., 2011,21, 13327-13333

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Biomolecule-assisted hydrothermal synthesis of In₂S₃ porous films and enhanced photocatalytic properties

W. Qiu, M. Xu, X. Yang, F. Chen, Y. Nan, J. Zhang, H. Iwai and H. Chen, J. Mater. Chem., 2011, 21, 13327 DOI: 10.1039/C1JM11616A

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Journal of Materials Chemistry