Two-photon spectroscopy of cyclometalated iridium complexes

Robert M. Edkins, Sylvia L. Bettington, Andrés E. Goeta, Andrew Beeby

Research output: Contribution to journalArticlepeer-review

53 Citations (Scopus)


The near-infrared two-photon absorption (TPA) spectra of a series of cyclometalated iridium complexes have been measured. These complexes exhibit moderately large TPA cross-sections of approximately 20 GM at the biological relevant wavelength of 800 nm. A new complex has been designed and synthesised, and found to have an increased cross-section of 44 GM at 800 nm. Full photophysical characterisation of this complex is presented.

Original languageEnglish
Pages (from-to)12765-12770
Number of pages6
JournalDalton Transactions
Issue number47
Publication statusPublished - 21 Dec 2011


  • two-photon absorption
  • iridium complexes
  • spectroscopy


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