Synthesis and near-infrared luminescent properties of some ruthenium complexes

A series of seven ruthenium complexes with different ligands were synthesized and their optical, electrochemical and photoluminescent properties were characterized. Electroluminescent properties of these complexes were further evaluated using a light-emitting electrochemical cell with a configuration of indium tin oxide (ITO)/complex (100 nm)/Au (100 nm). Tunable photoluminescence (PL) and electroluminescence (EL) from 630 to 1040 nm have been achieved by adjusting the LUMO and HOMO levels of ruthenium complexes.