期刊
JOURNAL OF MATERIALS RESEARCH
卷 33, 期 18, 页码 2661-2670出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/jmr.2018.176
关键词
amorphous; thin film; porosity
资金
- funding scheme of the European Commission, Marie Curie Actions-Initial Training Networks (ITN) [607080 FP7-PEOPLE-2013-ITN]
In this study, Au-based nanoglasses in the form of thin films deposited by magnetron sputtering are comparatively dealloyed. The films have either nanograined or nanocolumnar microstructure, depending on the working pressure of Ar in the sputtering chamber. Nanocolumnar thin films exhibit much higher dealloying rate reducing effectively the dealloying time with respect to nanograined and homogenous thin films. Electrocatalysis experiments indicate that the resulting nanoporous films are active for the methanol electrooxidation, with promising results in term of stability especially for the dealloyed nanocolumnar film.
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