fig2
Figure 2. (A) The illustration of PEC water splitting using a photoanode[53]. Copyright 2022, Elsevier Ltd. (B) The main recombination paths of semiconductor photogenerated holes and electrons[57]. Copyright 2013, Royal Society of Chemistry. (C) TAS decay traces of the photohole in α-Fe2O3 photoanodes at different temperatures fitted to single-exponential functions. (D) Arrhenius plots of the hole decay on α-Fe2O3 photoanodes under various applied biases[63]. Copyright 2011, American Chemical Society.