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A hydrogen‐production system by light‐induced α‐FeOOH has been successfully established. α‐FeOOH, known as rust, produces hydrogen and decompose organic compounds by a photocatalytic reaction under specific conditions even though the conduction band edge of α‐FeOOH is lower than the reduction potential of protons. Its activity is 25 times more active than TiO2. The proposed reaction can realize the...
Solar‐driven catalysts on semiconductors to produce hydrogen are considered as a means to solve environmental issues. In this study, H2 production coupling with oxygen consumption by noble metal‐free α‐FeOOH was demonstrated even though the conduction band edge was lower than the reduction potential of H+ to H2. For activation of α‐FeOOH, an electron donor, Hg‐Xe irradiation, and low pH (ca. 5) were...
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