Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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The development of new oxide materials and modified mixed potential sensing method for highly sensitive NOx sensor

자동차 배기가스용 NOx센서의 감도향상를 위한 새로운 산화물 감지물질과 변형된 혼합전위 센서의 개발

  • 박진수 (한국과학기술원 신소재공학과) ;
  • 윤병영 (한국과학기술원 신소재공학과) ;
  • 박종욱 (한국과학기술원 신소재공학과)
  • Published : 2008.01.31
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Abstract

The sensing characteristics of new oxide sensing materials, NiO, NiO-YSZ and CuO, were evaluated at the temperature of $700^{\circ}C$ in 10 % $O_2$containing atmosphere. Through simultaneous response to $NO_2$ and NO, the sensing mechanism of oxide electrode was studied and the relation of EMF and NO/$NO_2$ concentrations was elucidated. Moreover, for highly sensitive NOx sensor, modified mixed potential sensor which has at least two oxide electrodes was proposed.

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References

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