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Sensors and Microsystems pp 87–91Cite as

Room Temperature Hydrogen Sensor Based on Pt/TiO2/MWCNT Composites

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 91))

Abstract

Pt-doped TiO2/MWCNT composites have been prepared by the sol–gel route and tested in resistive devices for the low temperature monitoring of hydrogen. A morphological and microstructural investigation by SEM, TEM, XRD and micro-Raman spectroscopy of the composites was carried out. Results indicated that, regardless the nominal C/Ti molar ratio, only the anatase phase of titania is formed. Thin films of the Pt-doped composites, deposited on interdigitated ceramic substrates, showed promising hydrogen sensing at low temperatures. On the basis of the results obtained, some hypotheses on the sensing mechanisms operating on these nanostructured hybrid materials have been formulated.

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References

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Author information

Authors and Affiliations

  1. Department of Mechanics and Materials, University “Mediterranea” of Reggio Calabria, Reggio Calabria, Italy

    L. De Luca, A. Donato, G. Apa, S. Santangelo, G. Faggio & G. Messina

  2. Department of Matter Physics and Electronic Engineering, University of Messina, Messina, Italy

    N. Donato

  3. Department of Industrial Chemistry and Materials Engineering, University of Messina, Messina, Italy

    A. Bonavita & G. Neri

Authors
  1. L. De Luca
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  2. A. Donato
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  3. G. Apa
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  4. S. Santangelo
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  5. G. Faggio
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  6. G. Messina
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  7. N. Donato
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  8. A. Bonavita
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  9. G. Neri
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Corresponding author

Correspondence to N. Donato .

Editor information

Editors and Affiliations

  1. , Dept. of Industrial Chemistry and Materi, University of Messina, Faculty of Engine, Contrada Di Dio, Messina, 98166, Italy

    Giovanni Neri

  2. , Dept. of Matter Physiscs and Electronic, University of Messina, Faculty of Engine, Contrada Di Dio, Messina, 98166, Italy

    Nicola Donato

  3. Dipto. Ingegneria Elettronica, Università di Roma, Tor Vergata, Via del Politecnico 1, Roma, 00133, Italy

    Arnaldo d'Amico

  4. , Dept. of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, Roma, 00133, Italy

    Corrado Di Natale

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© 2011 Springer Science+Business Media B.V.

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De Luca, L. et al. (2011). Room Temperature Hydrogen Sensor Based on Pt/TiO2/MWCNT Composites. In: Neri, G., Donato, N., d'Amico, A., Di Natale, C. (eds) Sensors and Microsystems. Lecture Notes in Electrical Engineering, vol 91. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1324-6_12

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  • DOI: https://doi.org/10.1007/978-94-007-1324-6_12

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-007-1323-9

  • Online ISBN: 978-94-007-1324-6

  • eBook Packages: EngineeringEngineering (R0)

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