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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 11
BKCSDE 33(11)
November 20, 2012

Title	Fabrication and Manipulation of Gold 1D Chain Assemblies Using Magnetically Controllable Gold Nanoparticles
Author	Lily Nari Kim, Eun-Geun Kim, Junhoi Kim, Sung-Eun Choi, Wook Park, Sunghoon Kwon*
Keywords	Magnetic core/gold nanoshell, Gold nanoparticle, Self-assembly, Magnetic manipulation
Abstract	We have developed magnetically controllable gold nanoparticles by synthesizing superparamagnetic Fe3O4 core/gold shell nanoparticles. The core/shell particles have the capability of forming gold 1D chains in the presence of an external magnetic field. Here we demonstrate dynamic and reversible self-assembly of the gold 1D chain structures in an aqueous solution without any templates or physical or chemical attachment. The spatial configuration of gold chains can be arbitrarily manipulated by controlling the direction of a magnetic field. This technique can provide arbitrary manipulation of gold 1D chains for fabrication purpose. To demonstrate this capability, we present a technique for immobilization of the gold particle chains on a glass substrate.
Page	3735 - 3739
Full Text	PDF / Supporting Information

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