Efficient Photoinduced Intramolecular Energy Transfer in an Oblique Bis‐Porphyrin System | Zendy

ChardonNoblat Sylvie | Zendy; Sauvage JeanPierre | Zendy; Mathis Paul | Zendy

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Efficient Photoinduced Intramolecular Energy Transfer in an Oblique Bis‐Porphyrin System

Author(s) -

ChardonNoblat Sylvie,

Sauvage JeanPierre,

Mathis Paul

Publication year - 1989

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198905931

Subject(s) - porphyrin , moiety , intramolecular force , photochemistry , excitation , electron transfer , chemistry , zinc , energy transfer , electrochemistry , stereochemistry , chemical physics , electrode , organic chemistry , electrical engineering , engineering

Despite a distance of ca. 13 Å between the centers , after photochemical excitation the energy of readily accessible 1 is very rapidly transferred from the zinc‐containing porphyrin moiety to the metal‐free porphyrin moiety. Electrochemical and emission spectroscopic data give a driving force of 0.17 eV for this energy transfer. A photochemically‐induced electron transfer (driving force 0.07 eV), on the other hand, is not observed M 1 = Zn,M 2 = 2H; R = t Bu 2 C 6 H 3 .

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