Sensing properties of perovskite oxide La1-xSrxCo03-d obtained by pulsed laser deposition

Dam T.V. Anh, W. Olthuis, P. Bergveld

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    Abstract

    La1−xSrxCoO3−δ belongs to the group of perovskite oxides of the ABO3 structure, with a trivalent rare earth in the A position (La) and a trivalent metal ion in the B position (Co). Doping with divalent Sr-ions at the trivalent La-positions creates oxygen vacancies which give the oxide catalytic properties to H2O2. However, the conventional techniques which are used to prepare this oxide such as chemical methods are not suitable for making a thin film. In this paper, a thin layer of La1−xSrxCoO3−δ (x=0.5) perovskite oxide is deposited on a Pt electrode by using the pulsed laser deposition (PLD) technique. The catalytic properties of this perovskite oxide to hydrogen peroxide due to the presence of the oxygen vacancies will be discussed. The results show the possibility to use this perovskite oxide as a sensing material for potentiometric hydrogen peroxide sensors.
    Original languageEnglish
    Title of host publicationEurosensors XVII
    Subtitle of host publicationThe 17th European Conference on Solid-State Transducers September 21-24, 2003 Guimarães, Portugal: Book of Abstracs
    Place of PublicationBraga, Portugal
    PublisherBarbarosa & Xavier
    Pages366-367
    Number of pages2
    ISBN (Print)972-98603-1-9
    Publication statusPublished - 21 Sep 2003
    EventEurosensors XVII, European Conference on Solid-State Transducers - Guimaraes, Portugal
    Duration: 21 Sep 200324 Sep 2003

    Conference

    ConferenceEurosensors XVII, European Conference on Solid-State Transducers
    CountryPortugal
    CityGuimaraes
    Period21/09/0324/09/03

    Keywords

    • Perovskite oxide
    • La1-xSrxCoO3-δ
    • Hydrogen peroxide
    • Pulsed Laser Deposition (PLD)

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