Two-photon absorption and lasing in first-generation bisfluorene dendrimers

Georgios Tsiminis, Jean-Charles Ribierre, Arvydas Ruseckas, Homar S. Barcena, Garry J. Richards, Graham A. Turnbull, Paul L. Burn, Ifor David William Samuel

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

The two-photon absorption properties of bisfluorene dendrimers are investigated in both the nanosecond and the femtosecond regime. By substituting different dendrons onto the same chromophore (see figure), we examine the effect of the dendrons on the spectrum and magnitude of the two-photon absorption. As these dendrimers have high photoluminescence quantum yields, we then proceed to make two-photon pumped dendrimer lasers.

Original languageEnglish
Pages (from-to)1940-1944
Number of pages5
JournalAdvanced Materials
Volume20
Issue number10
Early online date15 Apr 2008
DOIs
Publication statusPublished - 19 May 2008

Keywords

  • LIGHT-EMITTING-DIODES
  • ORGANIC-DYE HEASPS
  • CONJUGATED DENDRIMERS
  • EXCITATION DYNAMICS
  • LASERS
  • POLYMERS
  • SEMICONDUCTOR
  • EMISSION
  • DENSITY
  • DESIGN

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