Table 1: Excitation and emission maxima wavelengths (nm) of the six osmium complexes.

Complex in EtOH in H O in EtOH in H O

Os(phen) CO(PPh ) (PF6) 520520396396
Os(bpy) CO(PPh ) (PF6) 520520396396
Os(phen) CO(4-phpy) (PF ) 560560420420
Os(bpy) CO(4-phpy) (PF ) 560560430430
Os(phen) CO(py) (PF ) 560560420420
Os(bpy) CO(py) (PF ) N/A560N/A420