Molecular photocatalysts for generating solar fuels such as hydrogen degrade over time, ceasing to function as intended. Now the mechanism by which a ruthenium–platinum-based hydrogen-evolving photocatalyst breaks down has been identified, leading to the development of a repair strategy that uses singlet oxygen to regenerate an inactivated bridging ligand.
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Turro, C. Fixing photocatalysts. Nat. Chem. 14, 487–488 (2022). https://doi.org/10.1038/s41557-022-00939-8
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DOI: https://doi.org/10.1038/s41557-022-00939-8
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