Electron transfer dyes as standard for picosecond fluorescence decay measurements

Jens Sobek; Arno Wiehe; Joerg Enderlein; Rainer Erdmann; Harry Kurreck

doi:10.1117/12.208495

8 May 1995 Electron transfer dyes as standard for picosecond fluorescence decay measurements

Jens Sobek, Arno Wiehe, Joerg Enderlein, Rainer Erdmann, Harry Kurreck

Proceedings Volume 2388, Advances in Fluorescence Sensing Technology II; (1995) https://doi.org/10.1117/12.208495
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

Fluorescence decay studies of photoexcited porphyrin-triptycene-quinones as biomimetic model systems for the primary processes of photosynthesis have been performed. These dyes were chosen on the basis of their rigid structure, high electron transfer (ET) rates and their advantageous absorption properties. The extremely short fluorescence lifetimes caused by an intramolecular ET process favor their use as standards in ps-lifetime measurements. Depending on the meso-substitution and metallation of the porphyrin, as well as the reduction potential of the quinone, different lifetimes in the range of 1 to 83 ps are obtained. The syntheses, spectroscopic properties and the application of these dyes will be described.

Citation Download Citation

Jens Sobek, Arno Wiehe, Joerg Enderlein, Rainer Erdmann, and Harry Kurreck "Electron transfer dyes as standard for picosecond fluorescence decay measurements", Proc. SPIE 2388, Advances in Fluorescence Sensing Technology II, (8 May 1995); https://doi.org/10.1117/12.208495

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