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Journal of Fluorescence

Emissive properties and intramolecular charge transfer of pyrazoloquinoline derivatives

Abstract

The fluorescence properties of several pyrazoloquinoline derivatives were performed by stationary as well as by time-resolved spectrosopy. Non-donor-substituted compounds show a high quantum yield; transition dipole moments of absorption and fluorescence as well as experimental and calculated lifetimes are in excellent agreement. The donor-substituted compound DMA-DPPQ exhibits a charge transfer fluorescence in polar solvents. Additionally, dual fluorescence appears in polar protic solvents. The nature of the charge transfer state is discussed with respect to the the TICT model.

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MLA Rechthaler, Karl, et al. "Emissive properties and intramolecular charge transfer of pyrazoloquinoline derivatives." Journal of Fluorescence 7.4 (1997): 301-309.

APA Rechthaler, K., Rotkiewicz, K., Danel, A., Tomasik, P., Khatchatryan, K., & Köhler, G. (1997). Emissive properties and intramolecular charge transfer of pyrazoloquinoline derivatives. Journal of Fluorescence, 7(4), 301-309.

ISO 690 RECHTHALER, Karl, et al. Emissive properties and intramolecular charge transfer of pyrazoloquinoline derivatives. Journal of Fluorescence, 1997, 7.4: 301-309.

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