Karsten B.P.Viani L.Gierschner, JohannesCornil J.Janssen R.A.J.2020-12-042020-12-042009http://hdl.handle.net/20.500.12614/295enAtribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/On the origin of small band gaps in alternating thiophene - thienopyrazine oligomersresearch article10.1021/jp9050148