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Issue 6, 2007
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Photochemical synthesis of crown-shaped platinum nanoparticles using aggregates of G4-NH2 PAMAM dendrimer as templates

Xuzhong Luoa  and  Toyoko Imae*ab 
Author affiliations

* Corresponding authors

a Research Center for Materials Science, Nagoya University, Chikusa, Japan

b Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
E-mail: imae@nano.chem.nagoya-u.ac.jp
Fax: +81-52-789-5912

Abstract

Crown-shaped platinum nanoparticles were synthesized by UV irradiation in the presence of G4-NH2 PAMAM dendrimers in water. Aggregates of the dendrimers, which were formed in the aqueous solution, served as templates for the formation of such nonspherical nanoparticles. This is the first report on the preparation of structure-controlled platinum nanoparticles by photoreduction. This methodology to use dendrimer aggregates as templates is powerful for the production of shape-controlled nanostructures.

Graphical abstract: Photochemical synthesis of crown-shaped platinum nanoparticles using aggregates of G4-NH2 PAMAM dendrimer as templates

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Publication details

The article was received on 16 Aug 2006, accepted on 09 Nov 2006 and first published on 21 Nov 2006


Article type: Paper
DOI: 10.1039/B611867B
Citation: J. Mater. Chem., 2007,17, 567-571
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    Photochemical synthesis of crown-shaped platinum nanoparticles using aggregates of G4-NH2 PAMAM dendrimer as templates

    X. Luo and T. Imae, J. Mater. Chem., 2007, 17, 567
    DOI: 10.1039/B611867B

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