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Solution Luminescence of Anthraquinone, Naphthoquinone, and Some Derivatives at Room Temperature

Volume 25, Number 4 (Aug. 1971) Page 457-460

Yamanashi, Bill S.; Hercules, David M.


9, 10-Anthraquinone (AQ) in an inert aliphatic solvent emits luminescence at room temperature. The emission consists of (1) solution phosphorescence and (2) delayed thermal fluorescence (DTF). We found that similar emission is observed for some AQ and naphthoquinone (NQ) derivatives. The singlet-triplet separation, ΔE1,3, was determined from the DTF-phosphorescence separation.