Research Article

Photoresponse of Visible Light Active CM-n-TiO2, HM-n-TiO2, CM-n-Fe2O3, and CM-p-WO3 towards Water Splitting Reaction

Figure 2

Diagram showing bandgap energy of different oxide materials and relative energies in terms of vacuum level and normal hydrogen electrode level in electrolyte of pH = 2 [69].
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