The Challenges and Opportunities for TiO 2 Nanostructures in Gas Sensing
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Abstract
Chemiresistive gas sensors based on metal oxides have been widely applied in industrial monitoring, medical diagnosis, environmental pollutant detection, and food safety. To further enhance the gas sensing performance, researchers have worked to modify the structure and function of the material so that it can adapt to different gas types and environmental conditions. Among the numerous gas-sensitive materials, n-type TiO2 semiconductors are a focus of attention for their high stability, excellent biosafety, controllable carrier concentration, and low manufacturing cost. This Perspective first introduces the sensing mechanism of TiO2 nanostructures and composite TiO2-based nanomaterials and then analyzes the…
Citation impact
137
total citations
- FWCI
- 26.49
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- 100%
- References
- 121
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Authors
6Topics & keywords
Topics
Keywords
- Nanotechnology
- Context (archaeology)
- Nanomaterials
- Heterojunction
- Computer science
- Materials science
- Biochemical engineering
- Systems engineering
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