Platinum emitters with dye-based σ-aryl ligands

Attachment of a dye to a platinum-coligand entity via a direct Pt-C(aryl) σ-bond has a great impact on its photophysical properties. Apart from the trivial effect of altering the associated absorption and emission wavelengths, the close proximity to the heavy platinum ion with its large intrinsic spin-orbit coupling constant accelerates intersystem crossing (ISC). For many complexes, this effect is further augmented by charge-transfer...