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A self-assembly method is demonstrated to link nanoparticles into nanostructure of nanochain or nanosphere. Gold nanoparticles were covered with capping molecules by forming Au¨CS bonds with thiol group at one terminate. Another terminating group, carboxylic acid, showed strong complex interaction with inorganic linker
Zr4+ to form covalent complex bond. The different
nanostructures were obtained by moving a balance between two opposite interactions, the linking interaction of Zr
4+ and the electrostatic repulsive interaction of net surface charge. When the
capping molecule with different chain length was used, the linked nanochain feature exhibited a tunable interdistance between the neighboring nanoparticles

[ Last edited by popsheng on 2008-7-8 at 20:07 ]
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lovechem

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http://scitation.aip.org/journal ... ss_26/263108_1.html
4Â¥2008-07-08 21:02:19
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aishan

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2Â¥2008-07-08 19:16:58
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liverangel

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Originally posted by aishan at 2008-7-8 19:16:
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APPLIED PHYSICS LETTERS 92, 263108 20088
Preparation of nanochain and nanosphere by self-assembly
of gold nanoparticles
3Â¥2008-07-08 19:56:52
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mfengfzu

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[ Last edited by mfengfzu on 2008-7-8 at 21:26 ]
5Â¥2008-07-08 21:23:31
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