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Exceptionally large two- and three-photon absorption cross-sections by OPV organometalation

  • Beibei Gao
  • , Leszek M. Mazur
  • , Mahbod Morshedi
  • , Adam Barlow
  • , Huan Wang
  • , Cristóbal Quintana
  • , Chi Zhang
  • , Marek Samoc
  • , Marie P. Cifuentes
  • , Mark G. Humphrey*
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    29 Citations (Scopus)

    Abstract

    Oligo(p-phenylenevinylene)s (OPVs) containing up to 8 PV units and end-functionalized by ruthenium alkynyl groups have been prepared and their nonlinear absorption properties assessed using the Z-scan technique and employing low repetition rate femtosecond pulses. Exceptionally large two-photon absorption (ca. 12500 GM at 725 nm) and three-photon absorption cross sections (ca. 1.6 × 10-76 cm6 s2 at 1100 nm) are found for the 8PV-containing example, highlighting the potential of an "organometalation" approach to NLO-efficient organic materials.

    Original languageEnglish
    Pages (from-to)8301-8304
    Number of pages4
    JournalChemical Communications
    Volume52
    Issue number53
    DOIs
    Publication statusPublished - 2016

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