Silver Deposition on a Polymer Substrate Catalyzed by Singly Charged Monodisperse Copper Nanoparticles

Title
Silver Deposition on a Polymer Substrate Catalyzed by Singly Charged Monodisperse Copper Nanoparticles
Author(s)
변정훈Jeffrey T. Roberts[Jeffrey T. Roberts]
Keywords
ELECTROLESS DEPOSITION; AEROSOL NANOPARTICLES; FABRICATION; METAL; PARTICLES; OXIDATION; FILMS
Issue Date
201205
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED MATERIALS & INTERFACES, v.4, no.5, pp.2515 - 2520
Abstract
Aerosol deposition of singly charged monodisperse copper nanoparticles was used to catalytically activate a polymer substrate for electroless silver deposition. An ambient spark discharge was used to produce aerosol copper nanoparticles, and the particles were electrostatically classified at an equivalent mobility diameter of 10 nm, using a nanodifferential mobility analyzer. Deposition of the copper particles onto the surface of the substrate was enhanced by thermophoresis. The copper-deposited substrate was then immersed in a Ag(I) solution, resulting in the electroless deposition of silver (similar to 17 mu m line width) on the previously deposited copper (similar to 12 mu m line width, using a shadow mask with a 100 mu m in width patterned stripe). The arithmetic mean roughness and electrical resistivity of the silver pattern were 44.7 nm and 7.9 mu Omega cm, respectively, which showed an enhancement compared to those from the nonclassified copper particles (roughness = 162.2 nm, resistivity = 13.3 mu Omega cm), because of a more-uniform copper deposition.
URI
http://hdl.handle.net/YU.REPOSITORY/28378http://dx.doi.org/10.1021/am300217o
ISSN
1944-8244
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공과대학 > 기계공학부 > Articles
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