Effect of dispersion of nanosize platinum particles on electrical conduction properties of proton-conducting oxide SrZr0.9Y 0.1O3-α

Hiroshige Matsumoto, Yoshihisa Furya, Sachio Okada, Takayoshi Tanji, Tatsumi Ishihara

    研究成果: Contribution to journalArticle査読

    18 被引用数 (Scopus)

    抄録

    Nanosize effects have gradually become emphasized in the description of ion conduction properties of solids. The authors demonstrate a nanoionics effect that occurs in a proton-conducting perovskite upon dispersing fine platinum particles in the oxide. Both the ionic and hole conductivities are lost when the volume fraction of dispersed platinum exceeds a threshold value, resulting in an enormous reduction in both conductivities. These experimental results are discussed in accordance with a percolation model: the boundary layer, where charge carriers are suppressed by a space charge layer effect, blocks the bulk conduction of both protonic and electron-hole charge carriers.

    本文言語英語
    ジャーナルElectrochemical and Solid-State Letters
    10
    4
    DOI
    出版ステータス出版済み - 2 19 2007

    All Science Journal Classification (ASJC) codes

    • 化学工学(全般)
    • 材料科学(全般)
    • 物理化学および理論化学
    • 電気化学
    • 電子工学および電気工学

    フィンガープリント

    「Effect of dispersion of nanosize platinum particles on electrical conduction properties of proton-conducting oxide SrZr<sub>0.9</sub>Y <sub>0.1</sub>O<sub>3-α</sub>」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

    引用スタイル