Efficient energy transfer in organic thin films - Implications for organic lasers

A. K. Sheridan, A. R. Buckley, A. M. Fox, A. Bacher, D. D C Bradley, I. D W Samuel

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

Energy transfer and amplified spontaneous emission were investigated using solid films of two perylene dyes in a host matrix of poly(methylmethacrylate) (PMMA). A nitrogen pump dye laser was used to achieve an excitation wavelength of 490 mm. The time-resolved luminescence experiments were carried out using a femtosecond mode-locked Ti-sapphire laser with a streak camera. Results indicated that nonradiative energy transfer occurred between two perylene dyes in a PMMA host matrix and with an estimated Förster radius for energy transfer of 70 Å.
Original languageEnglish (US)
JournalJournal of Applied Physics
Volume92
Issue number11
DOIs
StatePublished - Dec 1 2002
Externally publishedYes

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