Gas sensing characteristics of pitch-based activated carbon fibers used for gas-sensor electrodes
- Gas sensing characteristics of pitch-based activated carbon fibers used for gas-sensor electrodes
- 김진훈; 김도영; 이성호; 이영석
- Pitch; Gas sensor; carbon fiber; Activation
- Issue Date
- The development of a pore structure through chemical activation allowed the efficient adsorption of NO because of the enlarged specific surface area and pore volume, resulting in a highly sensitive gas sensor. The application of heat treatments and the addition of MWCNTs enhanced the electrical conductivity, effectively reducing the response time of the sensor. In summary, the ability to sense NO significantly improved because of the combined effects of improved porosity and electrical conductivity.
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