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Dr. Prashanth K. Poddutoori, Niloofar Zarrabi, Dr. Andrey G. Moiseev, Roger Gumbau-Brisa, Dr. Serguei Vassiliev and Prof. Art van der Est Long-Lived Charge Separation in Novel Axial Donor–Porphyrin–Acceptor Triads Based on Tetrathiafulvalene, Aluminum(III) Porphyrin and Naphthalenediimide Chemistry - A European Journal 19

Article first published online: 14 JAN 2013 | DOI: 10.1002/chem.201202995

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Long live the charge separation: New biomimetic donor–acceptor triads have been constructed by taking advantage of the ability of aluminum in AlIII porphyrin to form axial covalent and coordination bonds with carboxylic acids and Lewis bases, respectively (see figure; NDI=naphthalenediimide, TTF=tetrathiafulvalene). Upon light excitation the triads undergo sequential electron transfer and by using a liquid-crystalline solvent and high magnetic field, the lifetime of the charge separation can be extended into the microsecond range.

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