Fabrication of dendritic gold nanoparticles by use of an ionic polymer template.

Fabrication of dendritic gold nanoparticles by use of an ionic polymer template. Research Abstract Details 

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Fabrication of dendritic gold nanoparticles by use of an ionic polymer template. Abstract Text:

Jichun Zhang,Lingjie Meng,Dongbin Zhao,Zhaofu Fei,Qinghua Lu,Paul J Dyson,

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 addition of HAuCl4 into a solution containing poly[1-methyl-3-(4-vinylbenzyl)imidazolium chloride]. Subsequent reduction with NaBH4 in water or in a mixture 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 concentration. Scanning electron microscopy (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.

Fabrication of dendritic gold nanoparticles by use of an ionic polymer template. Publishing Authors By Initials

J Zhang,L Meng,D Zhao,Z Fei,Q Lu,PJ Dyson,

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Fabrication of dendritic gold nanoparticles by use of an ionic polymer template. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Langmuir : the ACS journal of surfaces and colloid

VOLUME: 24

Page Numbers: 2699-704

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ISSN: 0743-7463

DAY: 21

MONTH: 02

YEAR: 2008

Fabrication of dendritic gold nanoparticles by use of an ionic polymer template. Information

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LANGUAGE: eng

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AFFILIATION: School of Chemistry and Chemical Technology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China, and Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland.

Country: United States

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MEDLINETA: Langmuir

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