Dr. Jonas Baltrusaitis, Dr. Yong-Sheng Hu, Prof. Eric W. McFarland and Prof. Anders Hellman Photoelectrochemical Hydrogen Production on α-Fe2O3 (0001): Insights from Theory and Experiments ChemSusChem 7
Split down the middle: Organic compounds present in wastewater represent a virtually unexplored source of energy. Methanol, a model organic waste molecule, is used in combination with an inexpensive photocatalyst material, hematite (α-Fe2O3), to produce energy-carrying H2 (see picture). DFT calculations show that the photoelectrochemical oxidation of CH3OH is energetically downhill, producing CO2 and protons. High experimental photoelectrochemical efficiencies are also obtained for polyalcoholic compounds.
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