期刊
JOURNAL OF ELECTRONIC MATERIALS
卷 50, 期 11, 页码 6060-6072出版社
SPRINGER
DOI: 10.1007/s11664-021-09174-2
关键词
Gas sensors; humidity sensing; bismuth oxide; bismuth ferrite
The development of highly sensitive, stable, and reliable eco-friendly gas sensors requires a variety of related materials, with bismuth-based compounds playing an important role. This review focuses on the detailed gas sensing attributes for different gases and humidity levels, as well as the effects of catalytic doping on gas sensing in various bismuth-based composites. The future prospects in the commercialization of such gas sensors are also discussed.
Development of highly sensitive, stable and reliable eco-friendly gas sensors is still an open-ended research domain and thus demands many related materials. Bismuth-based compounds form an important material platform in such developments; however, they are so far not reviewed. This review highlights the detailed gas sensing attributes for a range of gases and humidity for n-type and p-type as well as mixed composite materials and influences of catalytic doping on gas sensing in different bismuth-based composites. The future scope in the development of such gas sensors leading to commercialization is also discussed.
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