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

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 in...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 24(2008), 6 vom: 18. März, Seite 2699-704
1. Verfasser: Zhang, Jichun (VerfasserIn)
Weitere Verfasser: Meng, Lingjie, Zhao, Dongbin, Fei, Zhaofu, Lu, Qinghua, Dyson, Paul J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Fabrication of dendritic gold nanoparticles by use of an ionic polymer template 
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520 |a 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 
650 4 |a Journal Article 
700 1 |a Meng, Lingjie  |e verfasserin  |4 aut 
700 1 |a Zhao, Dongbin  |e verfasserin  |4 aut 
700 1 |a Fei, Zhaofu  |e verfasserin  |4 aut 
700 1 |a Lu, Qinghua  |e verfasserin  |4 aut 
700 1 |a Dyson, Paul J  |e verfasserin  |4 aut 
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