The interplay of different relaxation channels in the excited state dynamics of photoinitiatorsT. J. A. Wolf, J. Fischer, D. Voll, M. Wegener, C. Barner-Kowollik and A.-N. UnterreinerEPJ Web of Conferences, 41 (2013) 05008DOI: https://doi.org/10.1051/epjconf/20134105008