Ultrafine nanoporous palladium-aluminum film fabricated by citric acid-assisted hot-water-treatment of aluminum-palladium alloy film | Zendy

Takashi Harumoto | Zendy; Yohei Tamura | Zendy; Takashi Ishiguro | Zendy

Open Access

Ultrafine nanoporous palladium-aluminum film fabricated by citric acid-assisted hot-water-treatment of aluminum-palladium alloy film

Author(s) -

Takashi Harumoto,

Yohei Tamura,

Takashi Ishiguro

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4907049

Subject(s) - nanoporous , palladium , materials science , alloy , aluminium , citric acid , boehmite , transmission electron microscopy , chemical engineering , metallurgy , nanotechnology , catalysis , chemistry , organic chemistry , engineering

Hot-water-treatment has been adapted to fabricate ultrafine nanoporous palladium-aluminum film from aluminum-palladium alloy film. Using citric acid as a chelating agent, a precipitation of boehmite (aluminum oxide hydroxide, AlOOH) on the nanoporous palladium-aluminum film was suppressed. According to cross-sectional scanning transmission electron microscopy observations, the ligament/pore sizes of the prepared nanoporous film were considerably small (on the order of 10 nm). Since this fabrication method only requires aluminum alloy film and hot-water with chelating agent, the ultrafine nanoporous film can be prepared simply and environmentally friendly

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