We present time-resolved fluorescence decay measurements on a cylophane-bridged donor-acceptor triad containing a porphyrin and two different quinones in the order porphyrin-quinone,-quinone2. The time scale of photoinduced electron transfer, as well as its energetics, suggests a strong analogy with
✦ LIBER ✦
Mimicking primary processes in photosynthesis—covalently linked porphyrin quinones
✍ Scribed by H. Kurreck; S. Aguirre; H. Dieks; J. Gätschmann; J.v. Gersdorff; H. Newman; H. Schubert; M. Speck; T. Stabingis; J. Sobek; P. Tian; A. Wiehe
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 874 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0969-806X
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## Abstract Time‐resolved EPR spectra are reported for photoexcited porphyrin—quinones with butylene and __cis__‐ or __trans__‐ cyclohexylene spacers between porphyrin donors and crown ether—quinone acceptors. In the nematic phases of liquid crystals, polarized triplet EPR spectra of the porphyrin
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