Side chain effects on photoinduced absorption and photovoltaic performance of low bandgap thienylene vinylene and phenylene vinylene copolymersL. H. Nguyen, S. Günes, H. Neugebauer, N. S. Sariciftci, K. Colladet, S. Fourier, T. J. Cleij, L. Lutsen, J. Gelan and D. VanderzandeEur. Phys. J. Appl. Phys., 36 3 (2006) 219-223DOI: https://doi.org/10.1051/epjap:2006142