TY - JOUR AU - Karsten B.P. AU - Bijleveld J.C. AU - Viani L. AU - Cornil J. AU - Gierschner, Johannes AU - Janssen R.A.J. PY - 2009 DO - 10.1039/b901374a UR - http://hdl.handle.net/20.500.12614/298 T2 - Journal of Materials Chemistry LA - en M2 - 5343 TI - Electronic structure of small band gap oligomers based on cyclopentadithiophenes and acceptor units TY - research article VL - 19 ER -