Figure 5: Photovoltaic characteristics of DSC based on [Co(bpy-pz)2]3+/2+ system.
From: A cobalt complex redox shuttle for dye-sensitized solar cells with high open-circuit potentials

(a) J–V characterization and (b) IPCE of the DSC employing the double-layered TiO2 (5.6+5 μm) and Pt counter electrode. (c) J–V characterization of the DSC employing the double-layered TiO2 (4.0+4.5 μm) and the PProDOT cathode instead of Pt.