Chin. J. Semicond. > 2007, Volume 28 > Issue 4 > 610-613

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Study of Micro-Structure Ethanol Gas Sensor Based on La0.7Sr0.3FeO3

Liu Li, Zhang Tong, Qi Qi, Chen Weiyou and Xu Baokun

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Abstract: This paper presents a novel micro-structure ethanol gas sensor.The heater electrodes and signal electrodes were designed on the same plane in order to reduce cross-talk and make the fabrication easier.The whole design has been simulated using a 3D electro-thermo-mechanical finite element model through Ansys.The nano complex oxide La0.7Sr0.3FeO3 is employed to act as sensitive material coated on the surface of the substrate. Experimental results show that the sensitivity of this novel sensor is 8.0 when the concentration of the ethanol is 500ppm, the power consumption is approximately two thirds of that of commercial sintering gas sensors, the response time is about 1.5s, and the recovery time is about 2.5s.

Key words: La0.7Sr0.3FeO3nano materialmicro-structurelow power consumptionethanolgas sensor

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    Received: 18 August 2015 Revised: 30 October 2006 Online: Published: 01 April 2007

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      Liu Li, Zhang Tong, Qi Qi, Chen Weiyou, Xu Baokun. Study of Micro-Structure Ethanol Gas Sensor Based on La0.7Sr0.3FeO3[J]. Journal of Semiconductors, 2007, 28(4): 610-613. ****Liu L, Zhang T, Qi Q, Chen W Y, Xu B K. Study of Micro-Structure Ethanol Gas Sensor Based on La0.7Sr0.3FeO3[J]. Chin. J. Semicond., 2007, 28(4): 610.
      Citation:
      Liu Li, Zhang Tong, Qi Qi, Chen Weiyou, Xu Baokun. Study of Micro-Structure Ethanol Gas Sensor Based on La0.7Sr0.3FeO3[J]. Journal of Semiconductors, 2007, 28(4): 610-613. ****
      Liu L, Zhang T, Qi Q, Chen W Y, Xu B K. Study of Micro-Structure Ethanol Gas Sensor Based on La0.7Sr0.3FeO3[J]. Chin. J. Semicond., 2007, 28(4): 610.

      Study of Micro-Structure Ethanol Gas Sensor Based on La0.7Sr0.3FeO3

      • Received Date: 2015-08-18
      • Accepted Date: 2006-09-25
      • Revised Date: 2006-10-30
      • Published Date: 2007-04-09

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