A comparison of the pentaammine(pyridyl)ruthenium(II) and 4-(dimethylamino)phenyl groups as electron donors for quadratic non-linear optics |
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| Authors: | Coe B J Harris J A Clays K Persoons A Wostyn K Brunschwig B S |
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| Institution: | Department of Chemistry, University of Manchester, Oxford Road, Manchester, UK M13 9PL. b.coe@man.ac.uk |
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| Abstract: | Hyper-Rayleigh scattering and Stark spectroscopic studies show that the complex salts 1-4]PF6 have larger static first hyperpolarizabilities beta 0 than 5-8]PF6, because the higher HOMO energy of a (RuII(NH3)5)2+ centre more than offsets the superior pi-orbital overlap in the purely organic chromophores. |
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