Novel copper(I) complexes with polyazine ligands have been synthesized, and have emissive excited states.  These compounds are characterized using absorption and emission/excitation spectroscopy which can be used to identify their low-lying metal-to-ligand charge transfer (MLCT) excited states.  Previous work on similar copper(I) complexes shows low-lying MLCT excited states can be excited using visible light.  Parallels can be made between polyazine ligand systems containing Ru(II) or Os(II) metal centers. Photoexcited transition metal complexes undergo unique redox chemistry which can be used in multiple applications, including dye-sensitized solar cells and photocleavage of DNA.

Synthesis and photochemical properties of copper(I) complexes with extended p arrays

246th National Meeting (2013)

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