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The facile synthesis of MoO3 microsheet and its excellent gas-sensing performance toward triethylamine: high selectivity, excellent stability and superior repeatability

Abstract

In this work, MoO3 microsheets were successfully prepared by thermally oxidizing the MoO2 nanospheres synthesized by a hydrothermal method. The crystal structures and morphologies of precursor MoO2 and the final product were characterized by XRD, FESEM, TEM. Gas sensors based on MoO3 was fabricated and its gas sensing properties was tested. These results revealed that they exhibited excellent sensing performance to triethylamine (TEA) with high selectivity, good repeatability, relatively high response and short response time (< 3 s). Particularly, the fabricated sensor displayed excellent long-term stability and superior selectivity, making it a promising triethylamine gas sensor. The possible reasons related with these characteristics of MoO3 microsheets were further discussed.

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Publication details

The article was accepted on 02 Aug 2018 and first published on 06 Aug 2018


Article type: Paper
DOI: 10.1039/C8NJ03539C
Citation: New J. Chem., 2018, Accepted Manuscript
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    The facile synthesis of MoO3 microsheet and its excellent gas-sensing performance toward triethylamine: high selectivity, excellent stability and superior repeatability

    W. Jiang, D. Wei, S. Zhang, X. Chuai, P. sun, F. Liu, Y. Xu, Y. Gao, X. Liang and G. Lu, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ03539C

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