Jj. Cai et Ec. Lim, LASER-INDUCED EMISSION STUDIES OF TRIPLET EXCIMERS IN FLUID SOLUTIONSOF DIBENZOTHIOPHENE - EARLY-TIME DYNAMICS, Journal of physical chemistry, 97(31), 1993, pp. 8128-8132
Early-time temporal studies of the room-temperature delayed emissions
in fluid solutions of highly pure dibenzothiophene provide compelling
evidence for the formation of intermolecular triplet excimers.