Tailoring ultrafast singlet fission by structural modification of phenazinothiadiazolesN. Alagna, J. Han, J. Herz, J. L. Perez Lustres, S. Hahn, S. Koser, Florian L. Geyer, Sebastian Hahn, U. Bunz, A. Dreuw, T. Buckup and M. MotzkusEPJ Web Conf., 205 (2019) 09013DOI: https://doi.org/10.1051/epjconf/201920509013