RT Journal Article T1 On the origin of small band gaps in alternating thiophene - thienopyrazine oligomers A1 Karsten B.P., A1 Viani L., A1 Gierschner, Johannes A1 Cornil J., A1 Janssen R.A.J., YR 2009 FD 2009 LK http://hdl.handle.net/20.500.12614/295 UL http://hdl.handle.net/20.500.12614/295 LA en DS Repositorio institucional de IMDEA Nanociencia RD 27 abr. 2026