Journal
RSC ADVANCES
Volume 7, Issue 75, Pages 47619-47623Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra09693c
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Funding
- JSPS KAKENHI [26810105]
- International Joint Research Program for Innovative Energy Technology
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A WO3/BiVO4 photoanode coated with various metal oxides demonstrated high selectivity (faradaic efficiency) for hydrogen peroxide (H2O2) generation from water (H2O) under irradiation of simulated solar light in a highly concentrated hydrogen carbonate (KHCO3) aqueous solution. A mesoporous and amorphous aluminium oxide (Al2O3) layer significantly facilitated inhibition of the oxidative degradation of generated H2O2 into oxygen (O-2) on the photoanode, resulting in unprecedented H2O2 selectivity (ca. 80%) and the accumulation (> 2500 mu M at 50C).
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