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A Selective Ethanol Sensor: TiO2 and W/TiO2 by a Novel Sol-Gel Technique

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Transducers ’01 Eurosensors XV

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Summary

TiO2 and W/TiO2 thin films have been prepared by a chemically modified sol-gel technique. Oxide-polymer thin films were deposited by dip-coating. Annealing at 500°C results in nanosized structurally stable oxides films. The dopant concentration led to a final W/Ti ratio of 1/33, 5/33, 10/33. The morphological and structural characteristics of thin films were studied through microraman, GIXRD, SEM and TEM. A microstructural comparison between pure and doped TiO2 layers is reported. Ethanol and methanol sensing properties are tested. TiO2 and W/TiO2 structural features and sensing characteristics are compared.

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References

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Authors and Affiliations

  1. I.N.F.M. and Dept. of Chemistry and Physics for Engineering and Materials, University of Brescia, via Valotti 9, 25133, Brescia, Italy

    C. Garzella, E. Comini & G. Sberveglieri

  2. I.N.F.M. and Structural Chemistry Laboratory, University of Brescia, via Branze 38, 25133, Brescia, Italy

    E. Bontempi & L. E. Depero

  3. C.N.R.-MASPEC Institute, Parco Area delle Scienze 37/A, 43100, Parma, Italy

    C. Frigeri

Authors
  1. C. Garzella
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  2. E. Comini
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  3. E. Bontempi
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  4. L. E. Depero
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  5. C. Frigeri
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  6. G. Sberveglieri
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Editor information

Editors and Affiliations

  1. Department of Electrical Engineering & Computer Science Microsensor & Actuator Technology Secr.TIB 3.1, Berlin University of Technology, Gustav-Meyer-Allee 25, D-13355, Berlin, Germany

    Ernst Obermeier

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© 2001 Springer-Verlag Berlin Heidelberg

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Garzella, C., Comini, E., Bontempi, E., Depero, L.E., Frigeri, C., Sberveglieri, G. (2001). A Selective Ethanol Sensor: TiO2 and W/TiO2 by a Novel Sol-Gel Technique. In: Obermeier, E. (eds) Transducers ’01 Eurosensors XV. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-59497-7_405

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  • DOI: https://doi.org/10.1007/978-3-642-59497-7_405

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-42150-4

  • Online ISBN: 978-3-642-59497-7

  • eBook Packages: Springer Book Archive

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