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Assembly of centimeter long silica coated FePt colloid crystals with tailored interstices by magnetic crystallization

Abstract:

A bottom-up approach for the first synthesis of centimeter long magnetic colloidal crystals, which have adjustable internal interstices for potential use in magnetic gradient separation of chemical or biochemical entities was investigated. The large colloidal crystals were composed of three-dimensional regular arrays of superparamagnetic FePt nanoparticle encapsulated in a protective hydrophilic silica shell with controllable thickness. The powder sample was washed four times in pure ethanol ...

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Publisher copy:
10.1021/cm801068j

Authors


Castelletto, V More by this author
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Journal:
Chemistry of Materials
Volume:
20
Issue:
14
Pages:
4554-4556
Publication date:
2008-07-22
DOI:
ISSN:
0897-4756
URN:
uuid:025849a5-521b-490a-a44c-f82777d439e0
Source identifiers:
180267
Local pid:
pubs:180267
Language:
English

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