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Issue 7, 2008
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Matter of age: growing anisotropic gold nanocrystals in organic media

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Abstract

We investigated the influence of the reduction state of gold ions on the growth of gold nanocrystals in N,N-dimethyl formamide (DMF). While freshly prepared solutions of AuCl3 produce spherical nanocrystals, aged precursor solutions containing mainly Au+ ions and Au0 atoms lead to various branched nanoparticles. Furthermore, we show that also the amount of the reducing and stabilisation agent tetra-n-octylammonium formate (TOAF) plays a decisive role on the shape of the nanocrystals, allowing us to grow triangular and cubic nanoparticles.

Graphical abstract: Matter of age: growing anisotropic gold nanocrystals in organic media

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Publication details

The article was received on 01 Oct 2007, accepted on 26 Nov 2007 and first published on 17 Dec 2007


Article type: Paper
DOI: 10.1039/B715112H
Phys. Chem. Chem. Phys., 2008,10, 951-956

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    Matter of age: growing anisotropic gold nanocrystals in organic media

    A. V. Gaikwad, P. Verschuren, S. Kinge, G. Rothenberg and E. Eiser, Phys. Chem. Chem. Phys., 2008, 10, 951
    DOI: 10.1039/B715112H

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