Comment on “Organometallic Complexes for Nonlinear Optics. 45. Dispersion of the Third-order Nonlinear Optical Properties of Triphenylamine-cored Alkynylruthenium Dendrimers” – Increasing the Nonlinear Optical Response by Two Orders of Magnitude



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Two-photon absorption (TPA) efficiency – scale corrected – as a function of the number of effective electrons, Neff, for the N-core organometallics dendrimers reported by Roberts et. al. (1, 2, 3; spheres); which are two orders of magnitude more efficient than the N-core organic dendrimers (G0, G1, G2; hexagons) used for comparison.