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Issue 18, 2018
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The facile synthesis of MoO3 microsheets and their excellent gas-sensing performance toward triethylamine: high selectivity, excellent stability and superior repeatability

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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, and TEM. Gas sensors based on MoO3 were fabricated and their gas sensing properties were tested. These results revealed that they exhibited excellent sensing performance towards triethylamine (TEA) with high selectivity, good repeatability, relatively high response and short response time (<3 s). In particular, the fabricated sensor displayed excellent long-term stability and superior selectivity, making it a promising triethylamine gas sensor. The possible reasons related to these characteristics of MoO3 microsheets are further discussed.

Graphical abstract: The facile synthesis of MoO3 microsheets and their excellent gas-sensing performance toward triethylamine: high selectivity, excellent stability and superior repeatability

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Publication details

The article was received on 16 Jul 2018, accepted on 02 Aug 2018 and first published on 06 Aug 2018


Article type: Paper
DOI: 10.1039/C8NJ03539C
Citation: New J. Chem., 2018,42, 15111-15120
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    The facile synthesis of MoO3 microsheets and their 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, 42, 15111
    DOI: 10.1039/C8NJ03539C

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