Excited-state dynamics in indandione-1,3 pyridinium betaine compounds

Vitalij Kovalevskij; Saulius Jursenas; Vidmantas Gulbinas; Inta Muzikante; Leonas Valkunas

doi:10.1117/12.425485

10 April 2001 Excited-state dynamics in indandione-1,3 pyridinium betaine compounds

Vitalij Kovalevskij, Saulius Jursenas, Vidmantas Gulbinas, Inta Muzikante, Leonas Valkunas

Proceedings Volume 4415, Optical Organic and Inorganic Materials; (2001) https://doi.org/10.1117/12.425485
Event: Advanced Optical Materials and Devices, 2000, Vilnius, United States

Abstract

The excitation dynamics in indandione-1,3 Pyridinium Betaine (IPB) intramolecular charge transfer molecules in various environments was studied. By comparing the excitation properties of the IPB molecules in solution and those in the crystal form, the influence of the intermolecular interactions on the excited state dynamics is considered. Two types of excited states are revealed in the IPB crystal: the Frenkel exciton states, which cause ultrafast nonradiative excitation decay, and the intermolecular charge transfer exciton states positioned below the Frenkel states, that have a longer lifetime and are responsible for pronounced photocurrent efficiency of IPB solids.

Citation Download Citation

Vitalij Kovalevskij, Saulius Jursenas, Vidmantas Gulbinas, Inta Muzikante, and Leonas Valkunas "Excited-state dynamics in indandione-1,3 pyridinium betaine compounds", Proc. SPIE 4415, Optical Organic and Inorganic Materials, (10 April 2001); https://doi.org/10.1117/12.425485

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