Electrochemical reduction potentials of selected ligands and complexes.
Ligand/complexa | E red (V) | Complexa | E red (V) |
---|---|---|---|
Azpy | −1.07, −1.93 | 1 | −0.28, −0.79 |
Azpy-OH | −0.94, −1.76 | 3 | −0.13, −0.58 |
[Cp*Ir(μ-I)I]2 | −1.21, −1.69 | 7 | −0.07, −0.63 |
Conditions: 1 mM free ligand or iridium complexes with 0.1 M Bu4NPF6 as supporting electrolyte in acetonitrile under N2 at ambient temperature, E1/2 (ferrocene/ferrocenium) = 0.063 V, scan rate = 0.1 V·s−1.