期刊
RSC ADVANCES
卷 5, 期 97, 页码 79593-79599出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra15019a
关键词
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资金
- National Natural Science Foundation of China [61102006, 51172095]
- Natural Science Foundation of Shandong Province, China [ZR2015EM019, ZR2014EL006]
- Shandong Province Higher Educational Science and Technology Program [J15LA56]
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.
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