Cubic nonlinear optical properties of new zinc tetraphenyl porphyrins peripherally functionalized with electron-rich Ru(II) alkynyl substituents

Samuel Drouet, Areej Merhi, Dandan Yao, Marie P. Cifuentes, Mark G. Humphrey*, Malgorzata Wielgus, Joanna Olesiak-Banska, Katarzyna Matczyszyn, Marek Samoc, Frédéric Paul, Christine O. Paul-Roth

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    31 Citations (Scopus)

    Abstract

    We report the synthesis and characterization of new organometallic assemblies consisting of a central Zn(II) tetraphenylporphyrin (ZnTPP) core surrounded by four Ru(II) alkynyl complexes (trans-Ru(dppe)2R) appended at the para phenyl positions and acting as peripheral donor groups. The synthesis of the tetra-chlorido derivative 2 (R=Cl) is reported first, followed by that of three extended homologues (3-X) obtained from this building block by substitution of the chlorido ligands by functionalized arylacetylenes (R=CC(4-C6H4X); X=NO2, H, OMe). Measurement of the nonlinear absorption properties of the pentametallic derivatives 3-X reveals that these extended π-networks incorporating polarizable organometallic units behave as good two-photon absorbers in the visible and near-IR range.

    Original languageEnglish
    Pages (from-to)10351-10359
    Number of pages9
    JournalTetrahedron
    Volume68
    Issue number50
    DOIs
    Publication statusPublished - 16 Dec 2012

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