Anni, M.Barbarella, G.Cingolani, R.Della Sala, F.Di Carlo, A.Gigli, G.Lomascolo, M.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1803010.17877/DE290R-11891enThe American Physical SocietyPhysical Review Letters530Photoluminescence Efficiency of Substituted Quaterthiophene Crystals10.1103/PhysRevLett.86.167article (journal)