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

Journal Article · Thu Jan 15 00:00:00 EST 2015 · AIP Advances

DOI:https://doi.org/10.1063/1.4907049· OSTI ID:22454437

Harumoto, Takashi; Tamura, Yohei; Ishiguro, Takashi ^[1]

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1. Department of Materials Science and Technology, Tokyo University of Science, 6-3-1 Niijyuku, Katsushika-ku, Tokyo, 125-8585 (Japan)

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.

• OSTI ID: 22454437
• Journal Information: AIP Advances, Vol. 5, Issue 1; Other Information: (c) 2015 Author(s); Country of input: International Atomic Energy Agency (IAEA); ISSN 2158-3226
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINIUM
ALUMINIUM ALLOYS
ALUMINIUM OXIDES
CHELATING AGENTS
CITRIC ACID
FILMS
HOT WATER
HYDROXIDES
LIGAMENTS
PALLADIUM
PALLADIUM ALLOYS
PRECIPITATION
TRANSMISSION ELECTRON MICROSCOPY