Issue 11, 2012
From the journal:

Journal of Materials Chemistry

Direct synthesis of metal nanoparticles with tunable porosity†

Eric Detsi,a   Sergey Punzhin,a   Patrick R. Oncka  and  Jeff Th. M. De Hosson*a  

* Corresponding authors

a Department of Applied Physics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
E-mail: j.t.m.de.hosson@rug.nl
Fax: +31-(0)503634881
Tel: +31-(0)503634898

Abstract

Herein, we report a facile one-step synthesis route of porous bimetallic Au–Ag nanoparticles involving two parallel processes: alloying during nanocrystal growth and dealloying via galvanic replacement reaction. Further, we show that porosity in these nanoparticles can be tuned via their alloy composition. The specific surface area of the synthesized porous nanoparticles is significantly enhanced compared to that of their solid bulk counterparts.

Graphical abstract: Direct synthesis of metal nanoparticles with tunable porosity

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Article information

DOI
https://doi.org/10.1039/C2JM15801A
Article type
Communication
Submitted
11 Nov 2011
Accepted
12 Jan 2012
First published
24 Jan 2012

J. Mater. Chem., 2012,22, 4588-4591

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Direct synthesis of metal nanoparticles with tunable porosity

E. Detsi, S. Punzhin, P. R. Onck and J. Th. M. De Hosson, J. Mater. Chem., 2012, 22, 4588 DOI: 10.1039/C2JM15801A

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