Issue 8, 2009
From the journal:

Dalton Transactions

Immobilization of ionic liquids in translucent tin dioxide monoliths by sol–gel processing†

Séverine Bellayer,§a   Lydie Viau,§a   Zoe Tebby,b   Thierry Toupance,*b   Jean Le Bideau‡a  and  André Vioux§*a  

* Corresponding authors

a University of Montpellier, Department of Chemistry, Institut Charles Gerhardt, cc 1701, Montpellier, France
E-mail: vioux@univ-montp2.fr

b University of Bordeaux 1, Institut des Sciences Moléculaires, Groupe Matériaux UMR 5255-CNRS, 351 Cours de la Libération, Talence, France
E-mail: t.toupance@ism.u-bordeaux1.fr

Abstract

SnO2 translucent monolith ionogels were obtained by a sol–gel processing using bis(2-methylbutan-2-oxy)di(pentan-2,4-dionato)tin as a precursor in the presence of various ionic liquids: [BMI][Br], [BMI][TFSI], [BMI][BF4]. The confinement of ionic liquids within the gels was evidenced by Differential Scanning Calorimetry, FTIR and FT-Raman spectroscopy. The ionic liquids could be efficiently washed off, which resulted in supermicroporous solids. Calcination in air at 550 °C of the dried monoliths resulted in nanoporous nanocrystalline cassiterite tin dioxide particles with crystallite sizes of about 8–12 nm and mean pore sizes around 5 nm.

Graphical abstract: Immobilization of ionic liquids in translucent tin dioxide monoliths by sol–gel processing

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Article information

DOI
https://doi.org/10.1039/B814978J
Article type
Paper
Submitted
28 Aug 2008
Accepted
31 Oct 2008
First published
08 Jan 2009

Dalton Trans., 2009, 1307-1313

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Immobilization of ionic liquids in translucent tin dioxide monoliths by sol–gel processing

S. Bellayer, L. Viau, Z. Tebby, T. Toupance, J. L. Bideau and A. Vioux, Dalton Trans., 2009, 1307 DOI: 10.1039/B814978J

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