期刊
FRONTIERS IN CHEMISTRY
卷 8, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fchem.2020.00076
关键词
metal oxides nanostructures; gas sensors; gas sensing mechanism; gas sensing performance; modification methods
资金
- China Postdoctoral Science Foundation [2019M652948]
- Science and Technology Planning Project of Guangdong Province [2017A050506032]
- Science and Technology Planning Project of Guangzhou [201804010204]
- South China Institute of Environmental Sciences Central Public-Interest Scientific Institution Basal Research Fund [PM-zx703-201904-135, PM-zx703-201904-101]
Gas sensors have been wildly used in various fields related to people's lives. Gas sensor materials were the core factors that affected the performances of various gas sensors, and these have attracted much attention from scientific researchers due their high sensitivity, high selectivity, adjustable reliability, low cost, and other advantages. The preparation of nanostructures with a highly specific surface area was a useful method to improve the gas-sensing performance of a metal oxide semiconductor. Meanwhile, lots of research has focused on preparing nanostructures with a highly specific surface area. This paper has explored some fabricated sensors with high sensitivity, good selectivity, and long-term stability, which has also made them promising candidates for toxic gas detection. Besides, this paper has reviewed the development status of metal oxides used as gas sensors.
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