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In this paper, we study a novel chemical gas sensor based on polymer-carbon black composites for NO2 gas-sensing
application. The polymer which is made of polyhexylthiophene mixed with carbon black is employed as the sensing
material which is immobilized on the interdigitated microelectrode pair. The electric resistance changes of the sensor to
NO2 at different concentrations have been examined. Also the effect of the humidity to the sensor was examined. The
results show that the resistance of the sensor decreases with the NO2 concentration rising, and it's not sensitive to the
humidity.
Chaoqun Zhou,Guangzhong Xie, andXiaosong Du
"A gas sensor based on polyhexylthiophene-carbon black for NO2
detection", Proc. SPIE 7508, 2009 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications, 75081B (23 November 2009); https://doi.org/10.1117/12.838135
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Chaoqun Zhou, Guangzhong Xie, Xiaosong Du, "A gas sensor based on polyhexylthiophene-carbon black for NO2 detection," Proc. SPIE 7508, 2009 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications, 75081B (23 November 2009); https://doi.org/10.1117/12.838135