Triplet State and Dynamics of Photoexcited C 70

Haim Levanon, Vladimir Meiklyar, Shalom Michaeli, Dan Gamliel

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

The photoexcited triplet of C 70 , in toluene, was investigated by time-resolved EPR spectroscopy. Over the entire range of temperatures (8–213 K) the resulting early-time signal is attributed to the polarized EPR triplet spectrum, which evolves in time into a thermalized spectrum. Similar to the case of 3 C 60 , the narrow liquid-phase spectrum is due to rotational narrowing of the thermal triplet. At both low and high temperatures the results indicate the coexistence of two triplets, differing greatly in their relaxation rates.

Original languageEnglish (US)
Pages (from-to)8722-8727
Number of pages6
JournalJournal of the American Chemical Society
Volume115
Issue number19
DOIs
StatePublished - Sep 1 1993

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