A p-type Cu2O photoanode for solar water oxidation

By incorporating selective contacts, a p-type Cu2O photoanode demonstrated a record photocurrent, establishing the best performance to date for oxide semiconductors in solar water oxidation.
This work highlights that judicious interface engineering can facilitate the use of p-type semiconductors as photoanodes, thereby expanding the range of available semiconductor materials for photo(electro)catalytic oxidation reactions.

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