Selective assembly of Au-Fe3O4 nanoparticle hetero-dimers
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(Published version)
Date
2015
Authors
Dewi, M.R.
Laufersky, G.
Nann, T.
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Journal article
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Microchimica Acta, 2015; 182(13-14):2293-2298
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Abstract
Hetero-dimeric magnetic nanoparticles of the type Au-Fe<inf>3</inf>O<inf>4</inf> have been synthesised from separately prepared, differently shaped (spheres and cubes), monodisperse nanoparticles. This synthesis was achieved by the following steps: (a) Mono-functionalising each type of nanoparticles with aldehyde functional groups through a solid support approach, where nanoparticle decorated silica nanoparticles were fabricated as an intermediate step; (b) Derivatising the functional faces with complementary functionalities (e.g. amines and carboxylic acids); (c) Dimerising the two types of particles via amide bond formation. The resulting hetero-dimers were characterised by high-resolution TEM, Fourier transform IR spectroscopy and other appropriate methods. [Figure not available: see fulltext.]
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Data source: Electronic supplementary material, http://static-content.springer.com/esm/art%3A10.1007%2Fs00604-015-1571-z/MediaObjects/604_2015_1571_MOESM1_ESM.doc
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Copyright 2015 The Authors (http://creativecommons.org/licenses/by/4.0/)
Access Condition Notes: This article is distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.