Far-red luminescent ruthenium pyridylimine complexes; building blocks for multinuclear arrays

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Ruthenium(II) pyridylimine complexes are explored for their potential as units that might be incorporated into electronic or photonic arrays. The complexes [Ru(bipy)2(L)][PF6]2 (1) and [Ru(tpy)(L)Cl][BF4] (2) with L = phenylpyridin-2-ylmethylene-amine are synthesized and fully characterised using X-ray diffraction analysis and (2D) NMR spectroscopy. 1 displays emission in the far-red area of the spectrum at room temperature. The emission is significantly shifted to longer wavelength with respect to [Ru(bpy)3]2+ indicating that the lowest MLCT state is localised on the pyridylimine ligand. 2 is non-emissive at room temperature and at 77 K.


Original languageEnglish
Pages (from-to)3025-3034
Number of pages10
JournalDalton Transactions
Issue number24
Early online date13 Apr 2006
Publication statusPublished - 12 Jun 2006

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