Abstract

Electron transfer luminescences have been found in a simple class of covalently linked, CrIIICNRuII, transition metal complexes at 77 K in a DMSO/H2O glass. These emissions are broad, structureless and centered at about 850 nm. The emission lifetimes are on the order of 1 μs, and increase 16–26-fold upon perdeuteration of coordinated am(m)ines. The properties of the electron-transfer excited states are consistent with an inverted region, spin forbidden emission process.

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