Porphyrin-oligothiophene-fullerene triads as an efficient intramolecular electron-transfer system

Junya Ikemoto, Kazuo Takimiya, Yoshio Aso, Tetsuo Otsubo, Mamoru Fujitsuka, Osamu Ito

Research output: Contribution to journalArticlepeer-review

103 Citations (Scopus)


(Equation Presented) Por-nT-C60 (x = 1-3) A series of porphyrin-oligothiophene-fullerene triads containing quaterthiophene, octithiophene, and dodecithiophene spacers has been synthesized. The fluorescence of the porphyrin chromophore in benzonitrile is efficiently quenched by electron transfer to the fullerene moiety. This process shows a weak distance dependence of the oligothiophene spacer with an attenuation factor β = 0.11 Å-1.

Original languageEnglish
Pages (from-to)309-311
Number of pages3
JournalOrganic Letters
Issue number3
Publication statusPublished - 2002 Feb 7


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