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

Autor: Joshua Jortner, Israel Kaplan
Rok vydání: 1977
Předmět:
Zdroj: Chemical Physics Letters. 52:202-207
ISSN: 0009-2614
DOI: 10.1016/0009-2614(77)80524-1
Popis: We report the experimental observation of intermolecular electronic energy transfer (EET) from the short-lived second excited S 2 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 S 1 → S 0 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.
Databáze: OpenAIRE