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Issue 1, 2010
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Evolution of gold nanoparticles through Catalan, Archimedean, and Platonic solids

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Abstract

This paper reports the transformation of rhombic dodecahedral gold nanoparticles through two different pathways depending on the water content. The gold nanoparticles were prepared by reducing HAuCl4 with N,N-dimethylforamide in the presence of poly(vinyl pyrrolidone) and water. Not only the concentration of PVP but also the water content has a critical role in determining the shape transformation of the gold nanocrystals. At low water content the rhombic dodecahedron is transformed into a rhombicuboctahedron to a truncated octahedron and then to an octahedron, while at higher water content the rhombic dodecahedron is transformed into a rhombicuboctahedron and then to a cube or a truncated cube and then to a cuboctahedron and to a truncated octahedron. In addition, we demonstrated cell imaging by using the truncated octahedral, rhombic dodecahedral and octahedral gold nanoparticles as a contrast agent.

Graphical abstract: Evolution of gold nanoparticles through Catalan, Archimedean, and Platonic solids

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Article information


Submitted
16 Jul 2009
Accepted
11 Sep 2009
First published
22 Sep 2009

CrystEngComm, 2010,12, 116-121
Article type
Paper

Evolution of gold nanoparticles through Catalan, Archimedean, and Platonic solids

D. Y. Kim, S. H. Im, O. O. Park and Y. T. Lim, CrystEngComm, 2010, 12, 116
DOI: 10.1039/B914353J

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