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Proceedings Paper

New two in one magnetic fluorescent nanocomposites
Author(s): Serena A. Corr; Yurii K. Gun'ko; Stephen J. Byrne; Alexios P. Douvalis; Munuswamy Venkatesan; Robert D. Gunning
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Paper Abstract

Magnetite nanoparticles have been coated by a porphyrin derivative to produce new magnetic materials with fluorescent properties. The magnetic nanoparticles were prepared using two different methods, one based on sol-gel techniques and ultrasonic processing, and the other via a controlled chemical co-precipitation. Different types of porphyrin functionalised magnetic nanoparticles have been prepared and have been characterised by electron microscopy (TEM and SEM), XRD, FTIR, Raman, UV-vis, and fluorescence spectroscopy. Microscopy results showed the formation of core-shell nanostructures, with IR and photoluminescence spectroscopy results confirming the presence of porphyrin in the shell.

Paper Details

Date Published: 2 June 2005
PDF: 8 pages
Proc. SPIE 5824, Opto-Ireland 2005: Nanotechnology and Nanophotonics, (2 June 2005); doi: 10.1117/12.604833
Show Author Affiliations
Serena A. Corr, Trinity College, Univ. of Dublin (Ireland)
Yurii K. Gun'ko, Trinity College, Univ. of Dublin (Ireland)
Stephen J. Byrne, Trinity College, Univ. of Dublin (Ireland)
Alexios P. Douvalis, Trinity College, Univ. of Dublin (Ireland)
Munuswamy Venkatesan, Trinity College, Univ. of Dublin (Ireland)
Robert D. Gunning, Trinity College, Univ. of Dublin (Ireland)


Published in SPIE Proceedings Vol. 5824:
Opto-Ireland 2005: Nanotechnology and Nanophotonics
David Kennedy; Werner J. Blau; John Colreavy, Editor(s)

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