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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.55  No.7 (2014)  >  pp.1094-1096

MATERIALS TRANSACTIONS
<<Previous article Vol.55  No.7 (2014)   pp.1094 - 1096 Next article>>

The NO2 Response of Solid Electrolyte Sensors Made Using ZnFe2O4 Electrodes

Qi Wang1), Yue Tu2), Danyu Jiang1), Tao Feng1)
1) Shanghai Institute of Ceramics, Chinese Academy of Sciences 2) East China Normal University

A mixed potential sensor based on yttria-stabilized zirconia (YSZ) and a spinel-type oxide sensing electrode (SE) ZnFe2O4 is fabricated and examined for NO2 detection at high temperatures. The devices give a linear correlation between EMF and the logarithm of NO2 concentration from 100 to 1000 ppm in the temperature 450 and 500°C. The mechanism of the sensor has been discussed on the basis of the particle size of sensing electrode-ZnFe2O4.


Keyword:
NO2 sensors, ZnFe2O4, yttria-stabilized zirconia (YSZ), mixed potential

Received: November 12, 2013
Accepted: April 09, 2014 , Published online: June 25, 2014
Copyright © 2014 The Japan Institute of Metals and Materials

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