Metal oxide photoanodes are promising for solar-driven water oxidation, but a greater understanding of surfaces is required to minimize efficiency losses. New research shows that controlling terminal compositions of otherwise identical facets of complex oxides has a profound impact on photoelectrochemical function.
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Sharp, I.D. Composition effects come to the surface. Nat Energy 6, 217–218 (2021). https://doi.org/10.1038/s41560-021-00790-0
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DOI: https://doi.org/10.1038/s41560-021-00790-0