Issue 2, 2010

Magnetic recoverable catalysts; assessment on CTAB-stabilized goldnanostructures

Abstract

Highly active and magnetically recoverable colloidal catalysts were synthesized assembling iron oxide and platinum nanoparticles by means of mesoporous silica that upholds them as a core–shell structured system. Conveniently, these composites present multiple magnetic cores gaining special relevance in the catalyst’s recovery as responding to low magnetic fields. As a proof of concept, they were used to assess the retarded gold reduction in cetyltrimethylammonium bromide (CTAB) micelles, permitting to tune the gold reduction rate and therefore the production of spherical or anisotropic gold nanostructures.

Graphical abstract: Magnetic recoverable catalysts; assessment on CTAB-stabilized gold nanostructures

Article information

Article type
Paper
Submitted
27 Jul 2009
Accepted
01 Oct 2009
First published
02 Nov 2009

J. Mater. Chem., 2010,20, 326-330

Magnetic recoverable catalysts; assessment on CTAB-stabilized gold nanostructures

A. B. Dávila-Ibáñez, M. A. Correa-Duarte and V. Salgueirino, J. Mater. Chem., 2010, 20, 326 DOI: 10.1039/B915177J

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