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Molecules 2013, 18(2), 1897-1915;

A Pyrene- and Phosphonate-Containing Fluorescent Probe as Guest Molecule in a Host Polymer Matrix

Institute of Condensed Matter and Nanosciences, Molecules, Solids and Reactivity (MOST), Université catholique de Louvain, Bâtiment Lavoisier, place Louis Pasteur 1, L4.01.02, 1348 Louvain-la-Neuve, Belgium
Author to whom correspondence should be addressed.
Received: 8 November 2012 / Revised: 23 January 2013 / Accepted: 24 January 2013 / Published: 1 February 2013
(This article belongs to the Section Organic Chemistry)
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New host-guest materials have been prepared by incorporation of a home-made organic probe displaying a pyrene motif and a phosphonate function into a regular amphiphilic copolymer. Using powder X-Ray diffraction, photoluminescence and FT-IR spectroscopy, we have been able to study the non-covalent interactions between the host matrix and the guest molecule in the solid state. Interestingly, we have shown that the matrix directs the guest spatial localization and alters its properties. Thanks to the comparison of pyrene vs. N-pyrenylmaleimide derivatives, the influence of the chemical nature of the guest molecules on the non-covalent interactions with the host have been studied. In addition, using polyethylene glycol as a reference host, we have been able to evidence a true matrix effect within our new insertion materials. The phosphonated guest molecule appears to be a novel probe targeting the hydrophilic domain of the host copolymer.
Keywords: host-guest systems; pyrene luminescence; phosphonate; polymers host-guest systems; pyrene luminescence; phosphonate; polymers
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Villemin, E.; Elias, B.; Devillers, M.; Marchand-Brynaert, J. A Pyrene- and Phosphonate-Containing Fluorescent Probe as Guest Molecule in a Host Polymer Matrix. Molecules 2013, 18, 1897-1915.

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