Paper
8 May 1995 Electron transfer dyes as standard for picosecond fluorescence decay measurements
Jens Sobek, Arno Wiehe, Joerg Enderlein, Rainer Erdmann, Harry Kurreck
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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.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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KEYWORDS
Luminescence

Picosecond phenomena

Absorption

Systems modeling

Zinc

Antimony

Oxidation

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