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High Proton Conductivity in Anodic ZrO 2 /WO 3 Nanofilms
Author(s) -
Kowalski Damian,
Aoki Yoshitaka,
Habazaki Hiroki
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200903598
Subject(s) - schematic , oxide , electrolyte , amorphous solid , materials science , conductivity , proton , electrical resistivity and conductivity , anode , deposition (geology) , alloy , physical vapor deposition , chemical engineering , nanotechnology , metallurgy , thin film , chemistry , electrical engineering , physics , crystallography , electrode , geology , engineering , nuclear physics , paleontology , sediment
Amorphous double‐oxide nanofilm (ZrO 2 /WO 3 ) is a new class of proton‐conducting electrolyte that can be simply fabricated by physical vapor deposition (PVD) and anodic oxidation of Zr/W alloy film (see schematic). The practical area‐specific resistivity of 0.2 Ω cm 2 is reached at a temperature as low as 100 °C for a 60 nm thick oxide film.
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