Figure 4.
a,b) LSV curves of ITO/CuI/Bulk‐BtzTp/SnO2/Pt, ITO/CuI/CRO‐BtzTp/SnO2/Pt, ITO/CuI/CRO‐BtzTp‐Cg/SnO2/Pt, ITO/CuI/Bulk‐TtzTp/SnO2/Pt, ITO/CuI/CRO‐TtzTp/SnO2/Pt and ITO/CuI/CRO‐TtzTp‐Cg/SnO2/Pt. c,d) CA of ITO/CuI/CRO‐BtzTp/SnO2/Pt, ITO/CuI/CRO‐BtzTp‐Cg/SnO2/Pt, ITO/CuI/CRO‐TtzTp/SnO2/Pt and ITO/CuI/CRO‐TtzTp‐Cg/SnO2/Pt.