@article{RolandSchubertCollinsetal.2014, author = {Steffen Roland and Marcel Schubert and Brian A. Collins and Jona Kurpiers and Zhihua Chen and Antonio Facchetti and Harald W. Ade and Dieter Neher}, title = {Fullerene-free polymer solar cells with highly reduced bimolecular recombination and field-independent charge carrier generation}, journal = {The journal of physical chemistry letters}, volume = {5}, number = {16}, pages = {2815 -- 2822}, doi = {10.1021/jz501506z}, year = {2014}, }