Tailoring ultrafast singlet fission by structural modification of phenazinothiadiazoles N. Alagna, J. Han, J. Herz, J. L. Perez Lustres, S. Hahn, S. Koser, Florian L. Geyer, Sebastian Hahn, U. Bunz, A. Dreuw et al. (2 more) EPJ Web Conf., 205 (2019) 09013 Published online: 16 April 2019 DOI: 10.1051/epjconf/201920509013