期刊
CERAMICS INTERNATIONAL
卷 45, 期 17, 页码 22981-22986出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2019.07.342
关键词
SnO2/MoS2 nanocomposites; Microstructure; CH4 sensor
资金
- National Key R&D Program of China [2017YFB0903801]
- Special Key R&D Project in Chongqing Municipality [cstc2017zdcy-zdyfx0006]
- National 111 Project of the Ministry of Education of China [B08036]
- Fundamental Research Funds for the Central Universities [2019CDJGFCL001, 2019CDYGYBO11]
In this paper, we present the synthesis of novel three-dimensional SnO2/MoS2 nanocomposites via electrospinning combined with a hydrothermal method and their application to CH4 gas detection. Morphological characterization proved that the flower-like MoS2 structures were successfully connected to the surface of porous SnO2 nanofibers. The CH4 gas-sensing test results indicated that the gas-sensing properties of SnO2/MoS2 nanocomposites were better than those of pure MoS2; the SnO2/MoS2 nanocomposites exhibited lower optimal operation temperature and higher gas response. Such excellent performance is mainly attributable to the special hierarchical structure and the existence of n-n junctions between SnO2 and MoS2.
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