Fabrication of Bimetallic Nanostructures via Aerosol-Assisted Electroless Silver Deposition for Catalytic CO Conversion

Title
Fabrication of Bimetallic Nanostructures via Aerosol-Assisted Electroless Silver Deposition for Catalytic CO Conversion
Author(s)
변정훈김장우[김장우]
Keywords
COPPER DEPOSITION; CARBON-FIBERS; PD; FILM; NANOPARTICLES; AG
Issue Date
201403
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED MATERIALS & INTERFACES, v.6, no.5, pp.3105 - 3110
Abstract
Bimetallic nanostructures were fabricated via aerosol-assisted electroless silver deposition for catalytic CO conversion. An ambient spark discharge was employed to produce nanocatalysts, and the particles were directly deposited on a polytetrafluoroethylene substrate for initiating silver deposition to form Pd-Ag, Pt-Ag, Au-Ag bimetallic nanostructures as well as a pure Ag nanostructure. Kinetics and morphological evolutions in the silver deposition with different nanocatalysts were comparatively studied. The Pt catalyst displayed the highest catalytic activity for electroless silver deposition, followed by the order Pd > Au > Ag. Another catalytic activity of the fabricated bimetallic structures in the carbon monoxide conversion was further evaluated at low-temperature conditions. The bimetallic systems showed significantly higher catalytic activity than that from a pure Ag system.
URI
http://hdl.handle.net/YU.REPOSITORY/32824http://dx.doi.org/10.1021/am500047n
ISSN
1944-8244
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공과대학 > 기계공학부 > Articles
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