Photophysical Properties of an Organogold(I) Complex

We will report on the photophysical properties of a novel dinuclear gold(I) complex consisting of a benzothiazole-2,7-fluorenyl moiety bound to N-heterocyclic carbene ligands via gold(I)-carbon $\sigma $-bonds. This complex absorbs in the ultraviolet and exhibits dual fluorescence and phosphorescence in the visible range at room temperature. The ground-state absorption and emission properties of this compound, as well, as excited-state lifetimes will be compared with similar systems to understand how the ancillary ligands and additional gold(I) center impacts excited-state dynamics.