16 April 2018 Dependence of fluorescent ability on efficiency of intersystem conversion in 8-methoxypsoralen and khellin
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Proceedings Volume 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII; 1061426 (2018) https://doi.org/10.1117/12.2303512
Event: XIII International Conference on Atomic and Molecular Pulsed Lasers, 2017, Tomsk, Russia
Abstract
Results of theoretical research for two psoralen molecules: 8-methoxypsoralen and khellin are presented. Schemes of photophysical processes in psoralens based on quantum chemical calculation by the INDO method are analyzed. The rate constants of intersystem and internal conversions are calculated. We obtained rather high intersystem conversion constant that influences on the fluorescent yield of 8-methoxypsoralen (107 s-1) and an insignificant constant of intersystem conversion for khellin (103 s-1).
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O. N. Tchaykovskaya, O. N. Tchaykovskaya, N. G. Bryantseva, N. G. Bryantseva, E. N. Bocharnikova, E. N. Bocharnikova, V. N. Charushin, V. N. Charushin, } "Dependence of fluorescent ability on efficiency of intersystem conversion in 8-methoxypsoralen and khellin", Proc. SPIE 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII, 1061426 (16 April 2018); doi: 10.1117/12.2303512; https://doi.org/10.1117/12.2303512
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