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Donor‐Linked Fullerenes: Photoinduced electron transfer and its potential application
Author(s) -
Imahori Hiroshi,
Sakata Yoshiteru
Publication year - 1997
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19970090704
Subject(s) - photoinduced electron transfer , porphyrin , electron transfer , photocurrent , fullerene , artificial photosynthesis , materials science , photochemistry , electron donor , electron acceptor , acceptor , photoinduced charge separation , covalent bond , redox , electron transport chain , chemical physics , chemistry , photocatalysis , optoelectronics , organic chemistry , biochemistry , physics , metallurgy , condensed matter physics , catalysis
Redox‐active fullerenes can be covalently bound to a variety of donors, their photophysical properties have been investigated. Their photochemical processes. Including electron transfer and energy transfer, are varied, depending on the donor, linkage between the donor and C 60 , and solvent. Regardless of the solvent and linkage, the charge‐separated state is produced efficiently in zinc porphyrin‐C 60 systems, showing that C 6o is a good electron acceptor. The most intriguing characteristic of C 60 in electron transfer is that C 60 accelerates photoinduced charge separation and retards charge recombination in the dark. The long‐lived charge‐transfer state: of the C 60 –porphyrin dyad was successfully converted to photocurrent using a self‐assembled monolayer technique. These findings will provide a new strategy for the design and synthesis of artificial photosynthetic systems and photoactive materials using C 60 as a building block.