@article{roman_arias_theander_andersson_inganäs_2003,  title={Photovoltaic devices based on photo induced charge transfer in polythiophene: CN-PPV blends},  volume={33},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332003000200041},  DOI={10.1590/S0103-97332003000200041},  number={2},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Roman, L. S. and Arias, A. C. and Theander, M. and Andersson, M. R. and Inganäs, O.},  year={2003},  month={Jun},  pages={376–381} }