Electronic energy transfer from an upper excited singlet state of a large molecule

Israel Kaplan, Joshua Jortner

Research output: Contribution to journalArticlepeer-review

Abstract

We report the experimental observation of intermolecular electronic energy transfer (EET) from the short-lived second excited S2 singlet state of rhodamine 6G to the ground state of 2,5-bis(5′-tertbutyl-2-benzoxazolyl) thiophene utilizing sequential, time delayed, two-photon excitation of the energy donor and interrogating the enhancement of the S1 → S0 fluorescence of the acceptor. Such EET studies provide a novel method for the determination of the ultrashort lifetimes of highly excited states of large molecules.

Original languageEnglish
Pages (from-to)202-207
Number of pages6
JournalChemical Physics Letters
Volume52
Issue number2
DOIs
StatePublished - 1 Dec 1977

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