期刊
RSC ADVANCES
卷 7, 期 38, 页码 23478-23485出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra02593a
关键词
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资金
- National Natural Science Foundation of China [51205274]
- Higher school science and technology innovation project of Shanxi [2016137]
- Natural Science of Shanxi Province [2016011039]
- Talent project of Shanxi Province [201605D211036]
- Science and Technology Major Project of the Shan Xi Science and Technology Department [20121101004]
- Key Disciplines Construction in Colleges and Universities of Shanxi [[2012]45]
Flower-like pure and Mo-loaded In2O3 hierarchical microstructures were synthesized by a facile hydrothermal method. The morphology, crystal structures, and compositions of the samples were characterized by SEM, XRD, TEM, showing nanosheets with dimensions of 4 mm diameter and 25 nm thickness. Gas sensing experiments were conducted on the as-prepared MoO3/In2O3 gas sensors, and the results prove that Mo-loaded In2O3 gas sensors exhibit enhanced gas sensing properties at 185 degrees C. In particular, the 3 mol% Mo-loaded In2O3 provided a high response (7 to 100 ppm ethanol), fast response and recovery time (11 s and 94 s), low detection limit (50 ppb), good selectivity and stability for ethanol detection, which is promising for low concentration ethanol detection in practical applications.
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