Figure 10.
a) Cadmium chalcogenide QD‐modified photo‐electrochemical cell constructed with an array of CdS QDs modified TiO2 nanorods as photoanode and CdSe QDs modified NiO nanosheets as photocathode. b) Energy band diagram of a cadmium chalcogenide QD‐modified photo‐electrolysis cell. c) Photocurrent density versus time under chopped light exposure. d) Comparison of the evolved H2 and O2 gases and the charge through the external circuit. Inset panel in (d) shows the photocurrent versus time measurement. Reproduced with permission.161 Copyright 2014, American Chemical Society.