Quantitative Determination the Role of the Intrabandgap States in Water Photooxidation over Hematite Electrodes
Shufeng Zhang,
Wenhua Leng
Abstract:The intrabandgap states on the hematite (α-Fe 2 O 3 ) electrodes are believed to play an important role in water photooxidation. Yet, it is not fully understood how the intrabandgap states are involved in the reaction. In this work, the intraband-gap states in water photooxidation on α-Fe 2 O 3 electrodes are investigated by a combination of multiple (photo-) electrochemical techniques and operando spectroscopic methods. Two kinds of surface states are observed on the electrodes during water photooxidation, an… Show more
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