Strategies to control crystal growth of highly ordered rubrene thin films for application in organic photodetectors by Hofmann, A, Wolansky, J, Hambsch, M, Talnack, F, Bittrich, E, Winkler, L, Herzog, M, Zhang, T, Antrack, T, Winkler, LC, Schröder, J, Riede, M, Mannsfeld, SCB, Benduhn, J, Leo, K