Organometallic complexes for nonlinear optics. 45. Dispersion of the third-order nonlinear optical properties of triphenylamine-cored alkynylruthenium dendrimers

Rachel L. Roberts, Torsten Schwich, T. Christopher Corkery, Marie P. Cifuentes, Katy A. Green, Julian D. Farmer, Paul J. Low, Todd B. Marder, Marek Samoc, Mark C. Humphrey

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    84 Citations (Scopus)

    Abstract

    A study was conducted to demonstrate the feasibility of organometallic complexes for nonlinear optics along with dispersion of the third-order nonlinear optical properties of trapheynlamine-cored alkynylruthenium dendrimers. Three systematically varied triphenyl-amine-cored alkynylruthenium dendrimers were used for the study, which allowed the assessment of the impact of π-system lengthening through the metal center and effect of generation increase. The evaluation of nonlinear absorption and refraction properties was carried out using Z-scan experiments in the spectral range 532-1600 nm and by employing femtosecond pulses. Closed-aperture and open-aperture Z-scan measurement were conducted to determine spectral dependencies of absorptive and refractive components on the hyperpolarizability. The n-cored alkynylruthenium dendrimers showed 2PA behavior at wavelength below 1000 nm.

    Original languageEnglish
    Pages (from-to)2318-2322
    Number of pages5
    JournalAdvanced Materials
    Volume21
    Issue number22
    DOIs
    Publication statusPublished - 12 Jun 2009

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