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Issue 6, 2013
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Polyoxometalate-stabilized, water dispersible Fe2Pt magnetic nanoparticles

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Abstract

Magnetic Fe2Pt core–shell nanoparticles with 2 nm cores were synthesized with a monolayer coating of silicotungstate Keggin clusters. The core–shell composition is substantiated by structural analysis performed using high-resolution scanning transmission electron microscopy (HR-STEM) and small angle X-ray scattering (SAXS) in a liquid suspension. The molecular metal oxide cluster shell introduces an enhanced dispersibility of the magnetic Fe–Pt core–shell nanoparticles in aqueous media and thereby opens up new routes to nanoparticle bio-functionalization, for example, using pre-functionalized polyoxometalates.

Graphical abstract: Polyoxometalate-stabilized, water dispersible Fe2Pt magnetic nanoparticles

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Supplementary files

Article information


Submitted
29 Oct 2012
Accepted
16 Jan 2013
First published
22 Jan 2013

Nanoscale, 2013,5, 2511-2519
Article type
Paper

Polyoxometalate-stabilized, water dispersible Fe2Pt magnetic nanoparticles

K. M. Seemann, A. Bauer, J. Kindervater, M. Meyer, C. Besson, M. Luysberg, P. Durkin, W. Pyckhout-Hintzen, N. Budisa, R. Georgii, C. M. Schneider and P. Kögerler, Nanoscale, 2013, 5, 2511
DOI: 10.1039/C3NR33374D

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