Issue 16, 2017
From the journal:

New Journal of Chemistry

Facile synthesis of nanoparticle packed In2O3 nanospheres for highly sensitive NO2 sensing

Bingxin Xiao,†a   Qi Zhao,†a   Dongxue Wang,a   Guangsi Mab  and  Mingzhe Zhang ORCID logo *a  

* Corresponding authors

a State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, People's Republic of China
E-mail: zhangmz@jlu.edu.cn

b School of Science, Changchun University of Science and Technology, Changchun 130012, People's Republic of China

Abstract

Nanoparticle packed In2O3 nanospheres are successfully synthesized via a facile one-step solvothermal method followed by annealing. The structure and morphology of the as-synthesized samples are characterized via X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM). Moreover, the NO2 gas sensing properties of the nanoparticle packed In2O3 nanospheres are further investigated. The sensor shows excellent selectivity, high response (217.5 to 500 ppb), superior stability and repeatability at the optimum operating temperature of 120 °C with a limit of detection lower than 10 ppb. Thus, this type of material is promising for low concentration NO2 gas-sensing.

Graphical abstract: Facile synthesis of nanoparticle packed In2O3 nanospheres for highly sensitive NO2 sensing

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Article information

DOI
https://doi.org/10.1039/C7NJ00647K
Article type
Paper
Submitted
23 Feb 2017
Accepted
03 Jul 2017
First published
04 Jul 2017

New J. Chem., 2017,41, 8530-8535

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Facile synthesis of nanoparticle packed In2O3 nanospheres for highly sensitive NO2 sensing

B. Xiao, Q. Zhao, D. Wang, G. Ma and M. Zhang, New J. Chem., 2017, 41, 8530 DOI: 10.1039/C7NJ00647K

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