Direct evidence of complete charge separation in the excited triplet state of 1,2-(N-arylaziridino)-[60] fullerenes by means of time-resolved electron paramagnetic resonance

Seigo Yamauchi, Yohei Iwasaki, Yasunori Oba, Bahlul Z.S. Awen, Akihiko Ouchi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Some of 1,6-(N-substituted) aza-[60] fulleroids (1) and their corresponding photochemical reaction products, 1,2-(N-substituted) aziridino-[60] fullerenes (2) showed peculiar transient absorption peaks depending on the N-substituents. Although these bands are considered to concern with very slow photochemical rearrangements 1 → 2 in the excited triplet state, no definitive evidence has been obtained yet. We report on the character of the excited triplet states in these compounds by means of a time-resolved electron paramagnetic resonance technique. Definitive evidence on the involvement of intra-molecular charge transfer states is shown in this Letter.

Original languageEnglish
Pages (from-to)203-206
Number of pages4
JournalChemical Physics Letters
Volume411
Issue number1-3
DOIs
Publication statusPublished - 2005 Aug 5

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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