In photocatalytic water splitting, a photocatalyst, typically a semiconductor material, is used to absorb light energy and initiate the water splitting reaction. When light is absorbed by the photocatalyst, it creates electron-hole pairs. The excited electrons can then reduce water, while the holes can oxidize water.
Researchers achieve high quantum yield in photocatalytic water splitting retrieved 28 June 2024 from https://phys.org/news/2024-06-high-quantum-yield-photocatalytic.html
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