Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jmmm.2009.01.014
Title: Encapsulation of cobalt nanoparticles in cross-linked-polymer cages
Authors: Hatamie, S.
Dhole, S.D.
Ding, J. 
Kale, S.N.
Keywords: Cobalt
Cross-linked-polymer
Magnetic nanoparticle
Polyvinyl alcohol
Issue Date: Jul-2009
Citation: Hatamie, S., Dhole, S.D., Ding, J., Kale, S.N. (2009-07). Encapsulation of cobalt nanoparticles in cross-linked-polymer cages. Journal of Magnetism and Magnetic Materials 321 (14) : 2135-2138. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jmmm.2009.01.014
Abstract: Nanoparticles embedded in polymeric cages give rise to interesting applications ranging from nanocatalysis to drug-delivery systems. In this context, we report on synthesis of cobalt (Co) nanoparticles trapped in polyvinyl alcohol (PVA) matrix to yield self-supporting magnetic films in PVA slime. A 20 nm, Co formed in FCC geometry encapsulated with a weak citrate coat when caged in PVA matrix exhibited persistence of magnetism and good radio-frequency response. Cross-linking of PVA chains to form cage-like structures to arrest Co nanoparticles therein, is believed to be the reason for oxide-free nature of Co, promising applications in biomedicine as well as in radio-frequency shielding. © 2009 Elsevier B.V. All rights reserved.
Source Title: Journal of Magnetism and Magnetic Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/86296
ISSN: 03048853
DOI: 10.1016/j.jmmm.2009.01.014
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