Issue 3, 2011
From the journal:

RSC Advances

Gold nanoparticles confined in lamellar mesophases†

W. Abidi,a   B. Pansu,b   R. Krishnaswamy,‡b   P. Beaunier,c   H. Remita*a  and  M. Impéror-Clerc*b  

* Corresponding authors

a Laboratoire de Chimie Physique, UMR 8000-CNRS, Université Paris-Sud 11, 91405 Orsay Cedex, France
E-mail: [email protected]

b Laboratoire de Physique des Solides, UMR 8502 CNRS, Bât 510, Université Paris-Sud 11, 91405 Orsay Cedex, France
E-mail: [email protected]

c Laboratoire de Réactivité de Surface, UPMC Univ., Paris 06, CNRS, UMR 7197, 75252 Paris Cedex 05, France

Abstract

A lamellar surfactant mesophase is used as a soft confinement medium for gold nanoparticles that are directly synthesized inside the lamellar mesophase by the radiolytic reduction of a gold salt incorporated into the water medium. By increasing the water layer thickness of the mesophase, spherical gold nanoparticles of increasing size are obtained. The same soft confinement medium is used to synthesize directly in situ by radiolysis gold nanorods (aspect ratio about 10). It is also shown that gold nanorods can be inserted by simple mixing into a sufficiently swollen lamellar phase. In all cases, the structure of the lamellar phase is preserved in the presence of the nanoparticles.

Graphical abstract: Gold nanoparticles confined in lamellar mesophases

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Article information

DOI
https://doi.org/10.1039/C1RA00259G
Article type
Paper
Submitted
01 Jun 2011
Accepted
02 Jun 2011
First published
17 Aug 2011

RSC Adv., 2011,1, 434-439

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Gold nanoparticles confined in lamellar mesophases

W. Abidi, B. Pansu, R. Krishnaswamy, P. Beaunier, H. Remita and M. Impéror-Clerc, RSC Adv., 2011, 1, 434 DOI: 10.1039/C1RA00259G

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