Abstract

A thorough examination has been made of the room temperature emission properties of a large number of diamagnetic closed shell metal complexes exhibiting luminescence localized in the ligand. The data reported are for 8-quinolinolates and include absorption spectra, emission spectra, excitation spectra, quantum yields and luminescence lifetimes. From these results, pertinent excited state rate constants have been determined and examined for periodic properties. It has been concluded that a heavy atom perturbation of the spin selection rule is systematically affecting the intersystem crossing rate. The application of these results to potential kinetic analyses of metal ion mixtures will be considered.

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