Fig. 6From: Photoelectrochemical Performance of Quantum dot-Sensitized TiO2 Nanotube Arrays: a Study of Surface Modification by Atomic Layer Deposition CoatingPEC properties of the TNTAs/QDs, TNTAs/QDs/10 cycles ZnO, TNTAs/QDs/25 cycles TiO2, and TNTAs/QDs/30 cycles Al2O3 electrodes with a surface area of 1 cm2. a LSV curves of the electrodes under simulated solar illumination. b Photoconversion efficiency derived from LSV curves. c Transient photoresponse under chopped light irradiation under a potential 0 V vs. SCEBack to article page