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Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography

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Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography

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Title: Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography
Author: Liusman, Cipto; Li, Shuzhou; Chen, Xiaodong; Wei, Wei; Zhang, Hua; Schatz, George C.; Boey, Freddy Yin Chiang; Mirkin, Chad A.
Copyright year: 2010
Abstract: This paper describes a new strategy for synthesizing free-standing bimetallic nanorings and nanoring arrays based upon on-wire lithography and a galvanic replacement reaction. The strategy allows one to tune the diameter, length, and therefore aspect ratio of the nanorings. In addition, it can be used to produce arrays of nanorings in high yield with control over number and spacing. Spectroscopic studies and discrete dipole approximation calculations show that nanoring dimers exhibit greater surface enhanced Raman scattering than the analogous nanodisk dimers.
Subject: DRNTU::Engineering::Materials.
Type: Journal Article
Series/ Journal Title: ACS nano
School: School of Materials Science and Engineering
Rights: © 2010 American Chemical Society.

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