Efficient Proton Conductivity of Gas-Tight Nanomembranes of Silica-Based Double Oxides

Authors

  • Yoshitaka Aoki,

    1. Topochemical Design Laboratory, Frontier Research System Institute of Physical and Chemical Research (RIKEN) 2-1 Hirosawa, Wako 351-0198 (Japan)
    Search for more papers by this author
  • Emi Muto,

    1. Topochemical Design Laboratory, Frontier Research System Institute of Physical and Chemical Research (RIKEN) 2-1 Hirosawa, Wako 351-0198 (Japan)
    Search for more papers by this author
  • Aiko Nakao,

    1. Surafce Analysis Laboratory Institute of Physical and Chemical Research (RIKEN) 2-1 Hirosawa, Wako 351-0198 (Japan)
    Search for more papers by this author
  • Toyoki Kunitake

    Corresponding author
    1. Topochemical Design Laboratory, Frontier Research System Institute of Physical and Chemical Research (RIKEN) 2-1 Hirosawa, Wako 351-0198 (Japan)
    • Topochemical Design Laboratory, Frontier Research System Institute of Physical and Chemical Research (RIKEN) 2-1 Hirosawa, Wako 351-0198 (Japan).
    Search for more papers by this author

  • The authors are grateful to Prof. H. Habazaki of graduate school of engineering, Hokkaido University for technical support in GDOES measurements. Supporting Information is available online from Wiley InterScience or from the author.

Abstract

original image

Nanometer-thick membranes of a large variety of silica-based double oxides commonly show gas-tightness (H2 and O2) and efficient proton conduction at 100–400 °C under dry atmosphere.

Ancillary