Elena Ramos Lermo, Bea M. W. Langeveld-Voss, René A. J. Janssen and E. W. Meijer
An odd–even effect is observed in the CD spectra of a homologous series of aggregated optically active poly(3,4-dialkoxythiophene)s, suggesting a helical packing of polymer chains into chiral superstructures, similar to that of the cholesteric liquid crystalline phase.