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Issue 97, 2015
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Dispersed SnO2 nanoparticles on MoS2 nanosheets for superior gas-sensing performances to ethanol

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Abstract

The unique properties of MoS2 nanosheets make them a promising supporting substrate for preventing the interparticle aggregation of metal–oxide–semiconductor nanomaterials. Novel composites were successfully obtained by a two-step low temperature hydrothermal method for the synthesis of SnO2 nanoparticles dispersing on the surfaces of MoS2 nanosheets. The morphology and structure of the as-prepared samples were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FESEM), and transmission electron microscopy (TEM). Owing to the supporting substrate of specific two-dimensional MoS2 nanosheets and the superior gas-sensing performance offered by ultrasmall SnO2 nanoparticles, the sensor based on SnO2@MoS2 composites exhibits high response and good selectivity to ethanol gas.

Graphical abstract: Dispersed SnO2 nanoparticles on MoS2 nanosheets for superior gas-sensing performances to ethanol

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Publication details

The article was received on 29 Jul 2015, accepted on 14 Sep 2015 and first published on 14 Sep 2015


Article type: Paper
DOI: 10.1039/C5RA15019A
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RSC Adv., 2015,5, 79593-79599

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    Dispersed SnO2 nanoparticles on MoS2 nanosheets for superior gas-sensing performances to ethanol

    H. Yan, P. Song, S. Zhang, Z. Yang and Q. Wang, RSC Adv., 2015, 5, 79593
    DOI: 10.1039/C5RA15019A

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