Jx. Sheng et al., PLATINUM DOPED TITANIA FILM OXYGEN SENSOR INTEGRATED WITH TEMPERATURECOMPENSATING THERMISTOR, Sensors and actuators. B, Chemical, 41(1-3), 1997, pp. 131-136
A TiO2:Pt cermet film oxygen sensor for detecting excess air ratio lam
bda was prepared by tripole magnetron sputtering system. Fast response
and high sensitivity were observed in the neighborhood of a stoichiom
etric point mainly due to the dispersion of catalytically active plati
nium in atomic order. The a.c measurement shows that the influence of
the electrode contact is the origin of asymmetry in the Cole-Cole plot
in low frequency range. The TiO2:Pt film sensor integrated in series
with ZnCr2O4 or TiO2:V2O5 film thermistor yields a stable output regar
dless of temperature fluctuation in the temperature range of interest.
(C) 1997 Elsevier Science S.A.