Kinetic fluorescence and emission anisotropy decays of charge transfer (ICT and TICT) compounds in solution

Jacek J. Fisz; Izabela Kollupajlo

doi:10.1117/12.629470

1 June 2005 Kinetic fluorescence and emission anisotropy decays of charge transfer (ICT and TICT) compounds in solution

Jacek J. Fisz, Izabela Kollupajlo

Proceedings Volume 5849, Fifth Workshop on Atomic and Molecular Physics; (2005) https://doi.org/10.1117/12.629470
Event: Fifth Workshop on Atomic and Molecular Physics, 2004, Jurata, Poland

Abstract

A problem of kinetic fluorescence and emission anisotropy decays of the intramolecular charge transfer (ICT and TICT) compounds in polar and non-polar (but highly polarizable) solvents will be discussed. It will be shown that the application of appropriate kinetic approximations (high- and low-temperature approximations) enables a direct determination of the kinetic rates describing the two-excited-state processes. Experimental examples for DMABN (4-(dimethyl amino) benzonitrile) and related compounds will be compared. A problem of TICT (Twisted Intramolecular Charge Transfer) mechanism will be discussed. The discussion will be supported by considering the emission anisotropy decays of DMABN in the solvents of different viscosity and which provide further evidence for TICT mechanism in DMABN and related compounds.

Citation Download Citation

Jacek J. Fisz and Izabela Kollupajlo "Kinetic fluorescence and emission anisotropy decays of charge transfer (ICT and TICT) compounds in solution", Proc. SPIE 5849, Fifth Workshop on Atomic and Molecular Physics, (1 June 2005); https://doi.org/10.1117/12.629470

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