Sensitized phosphorescence excitation spectra of complexes of glyoxal, pyrazine, and phenol. Great enhancement of phosphorescence yield by complexation

摘要: The sensitized phosphorescence excitation spectra of various complexes glyoxal (small molecule limit), pyrazine (intermediate case), and phenol (statistical limit) prepared by supersonic expansion were observed simultaneously with the fluorescence spectra. A great enhancement yield complexation was for first time. found to be due vibrational predissociation complex within its triplet state.