Organometallic complexes for nonlinear optics: Part 25. Quadratic and cubic hyperpolarizabilities of some dipolar and quadrupolar gold and ruthenium complexes

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Journal Article
Journal of Organometallic Chemistry, 2002, 642 (NA), pp. 259 - 267
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A range of dipolar and quadrupolar gold and ruthenium acetylides have been prepared and their electrochemical (Ru complexes) and nonlinear optical properties assessed; electronic communication between the metal centers diminishes as the ?-delocalizable bridge is lengthened and quadratic NLO merit increases on replacing triarylphosphine by trialkylphosphine. One diruthenium example has the largest two-photon absorption cross-section/molecular weight value observed thus far for an organometallic complex.
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