Enhanced gas-sensing response by gamma ray irradiation: Ag/Ag2SnO3 nanoparticle-based sensor to ethanol, nitromethane and acetic acid

Kui Yin; Fan Liao; Yan Zhu; Aimin Gao; Tao Wang; Mingwang Shao

doi:10.1039/C4TC01604A

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Enhanced gas-sensing response by gamma ray irradiation: Ag/Ag₂SnO₃ nanoparticle-based sensor to ethanol, nitromethane and acetic acid†

Kui Yin,^a Fan Liao,^a Yan Zhu,^a Aimin Gao,*^b Tao Wang

^a and Mingwang Shao*^a

Author affiliations

* Corresponding authors

^a Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, P. R. China
E-mail: mwshao@suda.edu.cn
Fax: +86 512 65882846
Tel: +86 512 65880953

^b Radiation Technology Research Institute, Suzhou CNNC Huadong Radiation Co., Ltd, Soochow University, Suzhou, Jiangsu 215123, P. R. China
E-mail: gamwj@163.com

Abstract

Ag/Ag₂SnO₃ nanoparticles were synthesized by irradiating Ag₂SnO₃ with different doses of gamma rays ranging from 0 to 500 kGy. The irradiated products were employed to detect two reducing gases (ethanol and nitromethane) and one oxidizing gas (acetic acid). The response was found to be dependent on irradiation dose, which influenced the content of Ag. The results showed that the best gas-sensing performance was achieved at the dose of 400 kGy: the responses were enhanced 9, 6.3 and 10.6 fold compared with the unirradiated Ag₂SnO₃ for ethanol, nitromethane and acetic acid, respectively.

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Article information

DOI: https://doi.org/10.1039/C4TC01604A
Article type: Paper
Submitted: 22 Jul 2014
Accepted: 07 Oct 2014
First published: 10 Oct 2014

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J. Mater. Chem. C, 2014,2, 10082-10086

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Enhanced gas-sensing response by gamma ray irradiation: Ag/Ag₂SnO₃ nanoparticle-based sensor to ethanol, nitromethane and acetic acid

K. Yin, F. Liao, Y. Zhu, A. Gao, T. Wang and M. Shao, J. Mater. Chem. C, 2014, 2, 10082 DOI: 10.1039/C4TC01604A

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Journal of Materials Chemistry C