SrTi0.65Fe0.35O3 nanofibers for oxygen sensing

SrTi0.65Fe0.35O3 nanofibers for oxygen sensing Polycrystalline SrTi0.65Fe0.35O3 (STF35) nanofibers with a cubic perovskite structure, an average diameter of ~100nm and an average grain size ~20nm were prepared by electrospinning. The electrical properties of the STF35 nanofibers were investigated by impedance spectroscopy, the STF35 nanofibers showed high conductance with activation energies ranging from 0.31 to 0.44eV. The oxygen sensing properties of the STF35 nanofibers were studied in the temperature range of 700 to 780°C; the sensor based on STF35 nanofibers exhibited high sensitivity (response ~4.06 to 10%O2) and fast response (tres<2s to 0.1%O2) at 750°C due to the one-dimensional nanostructure. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Solid State Ionics Elsevier

SrTi0.65Fe0.35O3 nanofibers for oxygen sensing

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier B.V.
ISSN
0167-2738
eISSN
1872-7689
D.O.I.
10.1016/j.ssi.2015.05.009
Publisher site
See Article on Publisher Site

Abstract

Polycrystalline SrTi0.65Fe0.35O3 (STF35) nanofibers with a cubic perovskite structure, an average diameter of ~100nm and an average grain size ~20nm were prepared by electrospinning. The electrical properties of the STF35 nanofibers were investigated by impedance spectroscopy, the STF35 nanofibers showed high conductance with activation energies ranging from 0.31 to 0.44eV. The oxygen sensing properties of the STF35 nanofibers were studied in the temperature range of 700 to 780°C; the sensor based on STF35 nanofibers exhibited high sensitivity (response ~4.06 to 10%O2) and fast response (tres<2s to 0.1%O2) at 750°C due to the one-dimensional nanostructure.

Journal

Solid State IonicsElsevier

Published: Oct 1, 2015

References

  • Sensors Actuators B
    Zhang, Z.J.; Kaneti, Y.V.; Jiang, X.C.; Yu, A.B.
  • Sensors Actuators B
    Lim, S.K.; Hwang, S.H.; Chang, D.; Kim, S.
  • Sensors Actuators B
    Li, H.Y.; Yang, H.; Guo, X.

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