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Charge Separation in a Molecular Triad Consisting of an Iridium( III ) – bis‐terpy Central Core and Porphyrins as Terminal Electron Donor and Acceptor Groups
Author(s) -
Dixon Isabelle M.,
Collin JeanPaul,
Sauvage JeanPierre,
Barigelletti Francesco,
Flamigni Lucia
Publication year - 2000
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/(sici)1521-3773(20000403)39:7<1292::aid-anie1292>3.0.co;2-v
Subject(s) - iridium , porphyrin , triad (sociology) , chemistry , photochemistry , moiety , acceptor , electron donor , free base , electron acceptor , terpyridine , stereochemistry , catalysis , organic chemistry , metal , psychology , physics , salt (chemistry) , psychoanalysis , condensed matter physics
A fully charge‐separated state PH 2 + ‐[Ir]‐PAu − is formed with 50 % efficiency following excitation of the free‐base porphyrin component PH 2 of 1 by successive electron transfers to the iridium bis(terpyridine) moiety [Ir] and the gold porphyrin PAu. Its deactivation proceeds quantitatively through the triplet state 3 PH 2 ‐[Ir]‐PAu.