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Angew Chem Int Ed Engl. 2014 Apr 7;53(15):3872-6. doi: 10.1002/anie.201310443. Epub 2014 Feb 26.

Nanosized heterostructures of Au@Prussian blue analogues: towards multifunctionality at the nanoscale.

Author information

1
Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM2-ENSCM-UM1, Equipe Chimie Moléculaire et Organisation du Solide, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France).

Abstract

Access to multifunctionality at the nanoscale requires the development of hybrid nanostructures that combine materials of different natures. In this line of thought, current research on coordination polymers is not only focusing on their synthesis at the nanoscale, but also on combining these polymers with other materials. According to a novel and rational approach, single-layer Au@Prussian blue analogue (PBA) and double-layer Au@PBA@PBA' core-shell nanoparticles (NPs) may be obtained through the growth of a cyano-bridged coordination network on the gold surface. The nanosized heterostructures combine the plasmonic optical properties of the gold core and the magnetic properties of the PBA shell. Whereas the single-layer nanoparticles are paramagnetic, the double-layer nanostructures display ferromagnetism; therefore, the overall structural motif may be considered as multifunctional. The developed synthetic concept also includes an easy access to hollow PBA NPs.

KEYWORDS:

Prussian blue nanoparticles; coordination networks; core-shell materials; gold nanoparticles; magnetic properties

PMID:
24574155
DOI:
10.1002/anie.201310443

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