Magnetic-Dipolar-Interaction-Induced Self-Assembly Affords Wires of Hollow Nanocrystals of Cobalt Selenide

Giving cobalt some stick: A general strategy for the synthesis of 1D assemblies of hollow nanocrystals is presented. Cobalt nanostructures assembled through magnetic dipolar interactions (see scheme) are used as templates for the formation of wires of hollow nanocrystals of CoSe2 (and Co3S4, CoTe)....

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2006-02, Vol.45 (8), p.1220-1223
Main Authors: Gao, Jinhao, Zhang, Bei, Zhang, Xixiang, Xu, Bing
Format: Article
Language:English
Subjects:
chalcogenides
cobalt
magnetic properties
nanostructures
self-assembly
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Summary:Giving cobalt some stick: A general strategy for the synthesis of 1D assemblies of hollow nanocrystals is presented. Cobalt nanostructures assembled through magnetic dipolar interactions (see scheme) are used as templates for the formation of wires of hollow nanocrystals of CoSe2 (and Co3S4, CoTe). The wires of hollow CoSe2 nanocrystals are ferromagnetic, with a Curie temperature of 570 K.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200503486