“…There has been a growing focus on excited state properties over the past decade . Fluorescence excitation and emission spectra, ,,,,− ,,,,,,,,− ,,,,,,, ,,,,,,,,,− ,,,,,,,,,,,,,,,,,,,,,,,,,,,, excited state lifetimes and decay curves, ,,,,,,,,,,,,,,,,,,,,,,− ,,,,,,,,,,, fluorescence quantum yields, ,,,…”