in luminescence spectroscopy
A use of @L03644@ effects to enhance sensitivity. The strong depopulation of the fluorescing singlet @E02257@ by external heavy atom perturbers can lead to a large population of the phosphorescing triplet @E02257@.
PAC, 1984, 56, 231. (Nomenclature, symbols, units and their usage in spectrochemical analysis-Part VI: molecular luminescence spectroscopy) on page 235 [Terms] [Paper]