Self-Organized Ureido Substituted Diacetylenic Organogel. Photopolymerization of One-Dimensional Supramolecular Assemblies to Give Conjugated Nanofibers By courtesy of: Olivier J. Dautel,* Mike Robitzer, Jean-Pierre Lere-Porte, Francüoise Serein-Spirau, and Joel J. E. Moreau* J. AM. CHEM. SOC. 2006, 128, 16213-16223