fig7

Figure 7. (A) J-V curves for the 600PA, Ti600PA, 800PA, Ti800PA photoanodes, obtained under simulated solar illumination (solid lines), and in the dark (dashed lines); (B) J_photo as a function of V_photo; (C) Intrinsic photovoltaic power P_light as a function of V_photo; (D) ISTC efficiency as a function of J_photo. For (b-d), the potential V_light applied to the photoanode under simulated solar illumination to obtain each V_photo/J_photo value is shown with dashed lines. J-V: Photocurrent density-voltage; ISTC: intrinsic solar-to-chemical.