Photoanode with multilayered nanostructure developed for efficient photoelectrochemical water splitting

Hematite (α-Fe2O3) is considered one of the most promising materials for photoelectrochemical (PEC) water splitting under solar light. However, the drawbacks of lower charge transfer efficiency and slow oxygen evolution reaction (OER) kinetics limit the practical application of α-Fe2O3 photoanodes. Therefore, efforts have been made to promote the PEC properties of α-Fe2O3, such as elemental doping, morphology modulation, and construction of heterojunctions.


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