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E/eV

Hydrogen production via photo-electrochemical (PEC) water splitting. H 2. Conduction band. Bias. O 2. Valence band. Bias. E/eV. Iron oxide. water. Pt. E 0 (H 2 /H + ). 1.23eV. E 0 (OH - /O 2 ). 4 e - + 4 H 2 O  2H 2 + 4OH -. 4OH -  O 2 +2H 2 O+ 4e -. n-type Anode.

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E/eV

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  1. Hydrogen production via photo-electrochemical (PEC) water splitting H2 Conduction band Bias O2 Valence band Bias E/eV Iron oxide water Pt E0 (H2/H+) 1.23eV E0 (OH-/O2) 4 e- + 4 H2O  2H2 + 4OH- 4OH-O2+2H2O+4e- n-type Anode Electrolyte Pt-Cathode 2H2O + 4 hv  O2 + 2H2

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