[60]fullerene-stoppered porphyrinorotaxanes: pronounced elongation of charge-separated-state lifetimes.

نویسندگان

  • Ke Li
  • Paul J Bracher
  • Dirk M Guldi
  • M Angeles Herranz
  • Luis Echegoyen
  • David I Schuster
چکیده

A series of Sauvage-type porphyrinorotaxanes containing [60]fullerene stoppers have been synthesized by a convergent route. Photoinduced energy transfer and electron-transfer reactions in these rotaxanes yield long-distance charge-separated radical-pair states, whose lifetimes in solution at ambient temperatures are as high as 32 mus, depending on the distance between the fullerene and zinc porphyrin chromophores.

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عنوان ژورنال:
  • Journal of the American Chemical Society

دوره 126 30  شماره 

صفحات  -

تاریخ انتشار 2004