Pauline Rulliere Solvionic SA, 11 Chemin des Silos, 31100 Toulouse, France
Céline Merlet CIRIMAT-CNRS, Université Toulouse III – Paul Sabatier,118 route de Narbonne, 31 062 Toulouse cedex 9, France
Karen Edler Department of Chemistry, University of Bath,Claverton Down, Bath, BA2 7AY, UK
Thomas W. Ebbesen ISIS & USIAS, University of Strasbourg & CNRS,8 allée Gaspard Monge, 67000 Strasbourg, France