Characteristic features of carbazole phosphorescence quenching by benzophenone molecules in toluene at 77 K |
| |
Authors: | A. V. Avdeev M. V. Erina O. I. Kulikova |
| |
Affiliation: | (1) Stavropol State University, 1 ul. Pushkina, Stavropol, 355009, Russia |
| |
Abstract: | We have studied the characteristic features of carbazole phosphorescence quenching by benzophenone in toluene at 77 K. We have shown that the decrease in the relative phosphorescence intensity for carbazole (energy donor) by a greater factor than we see for the relative change in its decay time is due to the fact that a change in the phosphorescence decay time occurs only for carbazole molecules participating in triplet-triplet energy transfer, while the substantial decrease in the phosphorescence intensity for carbazole with no change in the phosphorescence decay time is connected with quenching of its singlet states. __________ Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 73, No. 4, pp. 554–556, July–August, 2006. |
| |
Keywords: | energy transfer phosphorescence quenching energy donor phosphorescence kinetics short-lived component long-lived component |
本文献已被 SpringerLink 等数据库收录! |
|