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First Eu3+@Organo-Si(HIPE) Hybrid Macro-Mesocellular Foams Generation and Associated Luminescent Properties

Published online by Cambridge University Press:  01 February 2011

Nicolas Brun
Affiliation:
brun@crpp-bordeaux.cnrs.fr, United States
Béatriz Julian-Lopez
Affiliation:
julian@qio.uji.es, Departamento de Química Inorgánica y Orgánica ESTCE Universitat Jaume I, CASTELLÓN, Spain
Peter Hesemann
Affiliation:
peter.hesemann@enscm.fr, Institut Charles Gerhardt UMR 5253 Ecole Nationale Supérieure de Chimie, MONTPELLIER, France
Guillaume Laurent
Affiliation:
guillaume.laurent@upmc.fr, Laboratoire de Chimie de la Matière Condensée de Paris UMR 7574 CNRS Université Pierre et Marie Curie, PARIS, France
Hervé Deleuze
Affiliation:
h.deleuze@lcoo.u-bordeaux1.fr, Institut des Sciences Moléculaires, UMR 5255 CNRS / Université Bordeaux 1, TALENCE, France
Clément Sanchez
Affiliation:
clems@ccr.jussieu.fr, Laboratoire de Chimie de la Matière Condensée de Paris UMR 7574 CNRS Université Pierre et Marie Curie, PARIS, France
Marie-France Achard
Affiliation:
achard@crpp-bordeaux.cnrs.fr, Centre de Recherche Paul Pascal, UPR 8641 CNRS, PESSAC, France
Annick Babeau
Affiliation:
babeau@crpp-bordeaux.cnrs.fr, Centre de Recherche Paul Pascal, UPR 8641 CNRS, PESSAC, France
Rénal Backov
Affiliation:
backov@crpp-bordeaux.cnrs.fr, Centre de Recherche Paul Pascal, UPR 8641 CNRS, PESSAC, France
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Abstract

Using both β-diketone and malonamide organosilane derivatives and silica Si-HIPE macro-mesocellular foams (acronym refers to the High Internal Phase Emulsion process), organically modified silicates (ORMOSILs) with chelating functionality have been synthesized. The organic functionalities have been anchored to the silica porous networks by both a two-steps grafting method, relating to grafted gOrgano-Si(HIPE), and a one-step co-condensation process, relating to Organo-Si(HIPE). The loading of monoliths by lanthanides was performed by impregnation of an europium (III) salt in solution, leading to a new Eu3+@(g)Organo-Si(HIPE) hybrid foams series. The resulting materials have been thoroughly characterized via a large set of techniques such as SEM, TEM, SAXS, mercury intrusion porosimetry, nitrogen adsorption, FTIR and 29Si CP MAS NMR. Luminescence behavior of this Eu3+@Organo-Si(HIPE) series was also studied and the effects of environment and europium concentration will be discussed.

Type
Research Article
Copyright
Copyright © Materials Research Society 2009

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First Eu3+@Organo-Si(HIPE) Hybrid Macro-Mesocellular Foams Generation and Associated Luminescent Properties
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