Controlled Electroless Deposition of Noble Metal Nanoparticle Films on Germanium Surfaces

Thin noble metal films have been prepared as a result of the immersion of germanium substrates into dilute, aqueous solutions of AuCl4 -, PdCl4 2-, or PtCl4 2-, respectively. Deposition proceeds via galvanic displacement in the absence of fluoride, pH adjusters, complexing agents, or external reduci...

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Bibliographic Details
Published in:Nano letters 2002-10, Vol.2 (10), p.1067-1071
Main Authors: Porter, Lon A, Choi, Hee Cheul, Ribbe, Alexander E, Buriak, Jillian M
Format: Article
Language:English
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Summary:Thin noble metal films have been prepared as a result of the immersion of germanium substrates into dilute, aqueous solutions of AuCl4 -, PdCl4 2-, or PtCl4 2-, respectively. Deposition proceeds via galvanic displacement in the absence of fluoride, pH adjusters, complexing agents, or external reducing agents. This manner of metal deposition serves as a cost-effective, high-throughput methodology with control over surface morphology and deposition rate by modulation of plating parameters such as concentration, temperature, and immersion time.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl025677u