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Title: Synthesis of open-ended, cylindrical Au−Ag alloy nanostructures on a Si/SiOx surface
Authors: Mirkin, Chad A.
Zhang, Hua
Jin, Rongchao
Keywords: DRNTU::Engineering::Materials
Issue Date: 2004
Source: Zhang, H., Jin, R., & Mirkin, C. A. (2004). Synthesis of Open-Ended, Cylindrical Au−Ag Alloy Nanostructures on a Si/SiOx Surface. Nano Letters, 4(8), 1493-1495.
Series/Report no.: Nano letters
Abstract: Dip-pen nanolithography (DPN) in conjunction with wet chemical etching was used to synthesize a new class of open-ended, cylindrical Au−Ag alloy nanostructures on a Si/SiOx surface. Ag nanostructures were prepared by depositing dot MHA features on Ag-coated Si/SiOx, followed by etching with ferri/ferrocyanide solution. When these Ag nanostructures are reacted with HAuCl4, electroless plating of Au occurs on the sidewalls of the silver features along with concomitant oxidation of the Ag. This results in the formation of novel open-ended, cylindrical Au−Ag alloy nanostructures. Insight into the mechanism for this process is provided.
ISSN: 1530-6984
DOI: 10.1021/nl0492281
Rights: © 2004 American Chemical Society.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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