TY - JOUR T1 - Photovoltaic devices based on photo induced charge transfer in polythiophene: CN-PPV blends JO - Brazilian Journal of Physics A1 - Roman, L. S. A1 - Arias, A. C. A1 - Theander, M. A1 - Andersson, M. R. A1 - Inganäs, O. SN - 0103-9733 UL - 10.1590/S0103-97332003000200041 VL - 33 Y1 - 2003 PB - Brasil ER -