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Pure Appl. Chem., 2006, Vol. 78, No. 12, pp. 2333-2339

Self-assembling and light-harvesting properties of fluorescent linear condensed aromatic gelators

Jean-Pierre Desvergne1, Alexandre G. L. Olive1, Neralagatta M. Sangeetha1, Jens Reichwagen2, Henning Hopf2 and André Del Guerzo1

1 LCOO-CNRS UMR 5802, Université Bordeaux 1, F-33405, Talence, France
2 Institut für Organische Chemie, TU-Braunschweig, D-38106 Braunschweig, Germany

Abstract: The self-assembling and photophysical properties of soluble fluorescent linear condensed aromatic gelators are reported. The gels formed by 2,3-alkoxy derivatives are constituted of nanofibers weaving a 3-dimensional supramolecular network and imprisoning the solvent. These nanofibers are efficient light-harvesting systems in which complete energy transfer toward a fluorescent acceptor can be achieved at doping levels below 1 mol % of acceptor.