Synthesis, characterization and third-order nonlinear optical properties of a dodecaruthenium organometallic dendrimer with a zinc(ii) tetraphenylporphyrin core

Areej Merhi, Guillaume Grelaud, Mahbod Morshedi, Seyfallah Abid, Katy A. Green, Adam Barlow, Thomas Groizard, Samia Kahlal, Jean François Halet, Hoang Minh Ngo, Isabelle Ledoux, Marie P. Cifuentes, Mark G. Humphrey, Frédéric Paul*, Christine O. Paul-Roth

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)

    Abstract

    A new Zn(ii) porphyrin-based dendrimer (52) containing twelve Ru(ii) alkynyl fragments, has been prepared following a convergent approach in two steps from 5,10,15,20-tetra(4-ethynylphenyl)porphyrinatozinc(ii) (6). The cubic nonlinear optical (NLO) properties of 52 and other derivatives of 6 have been measured by third-harmonic generation (THG) at 1907 nm and by Z-scan over the spectral range 500-1700 nm, revealing the remarkable NLO response of 52 in the near-IR range. These results highlight the beneficial role of the extended "cross fourchée"-like polymetallic structure of 52 on its third-order NLO properties.

    Original languageEnglish
    Pages (from-to)11123-11135
    Number of pages13
    JournalDalton Transactions
    Volume47
    Issue number32
    DOIs
    Publication statusPublished - 2018

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