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research article

Fabrication of Dendritic Gold Nanoparticles by Use of an Ionic Polymer Template

hang, Jichun
•
Meng, Lingjie
•
Zhao, Dongbin  
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2008
Langmuir

A facile method for the fabrication of dendritic gold nanoparticles (NPs) by use of an ionic polymer template has been developed. In situ generation of an imidazolium-based (cationic) polymer, poly[1-methyl-3-(4-vinylbenzyl)imidazolium], with AuCl4- counteranions is achieved by addn. of HAuCl4 into a soln. contg. poly[1-methyl-3-(4-vinylbenzyl)imidazolium chloride]. Subsequent redn. with NaBH4 in water or in a mixt. of ethanol and water affords various NPs depending on the conditions, including large dendritic gold NPs that have been analyzed by transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS), and selected area electron diffraction (SAED). The structures of the dendritic gold NPs were found to depend on the ethanol concn. SEM (SEM) images of the ionic polymer reveal that the solvent used to deposit the polymer strongly influences its structure and may be correlated to the structure of the resulting NPs.

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Type
research article
DOI
10.1021/la702421z
Web of Science ID

WOS:000253941000063

Author(s)
hang, Jichun
Meng, Lingjie
Zhao, Dongbin  
Fei, Zhaofu  
Lu, Qinghua
Dyson, Paul J.  
Date Issued

2008

Published in
Langmuir
Volume

24

Issue

6

Start page

2699

End page

2704

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LCOM  
Available on Infoscience
March 9, 2008
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/19925
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