journal article·2013-08

Deposition of Highly Porous Nanocrystalline Platinum on Functionalized Substrates Through Fluorine‐Induced Decomposition of Pt(PF3)4 Adsorbates

Steven J. Randolph, Aurelien Botman, Milos Toth

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Abstract

Nanocrystalline platinum is synthesized at room temperature by co-injecting Pt(PF3)4 and XeF2 vapors onto solid supports in vacuum. The Pt nucleation time scales with chemisorbed fluorine coverage, which is controlled by pre-dosing supports with XeF2, and by optional electron or ion beam irradiation under flowing XeF2. The latter is used to increase the chemisorbed fluorine coverage and localize the Pt growth process.
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Research context

OpenAlex topics: Semiconductor materials and devices · Catalytic Processes in Materials Science · Ion-surface interactions and analysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

FEI Company 5350 NE Dawson Creek Drive Hillsboro OR 97214–5793 USA

School of Physics and Advanced Materials University of Technology, Sydney P.O. Box 123 Broadway New South Wales 2007 Australia

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