Solar water splitting is one of the most direct ways to produce green hydrogen using sunlight. However, most photocatalysts and photoelectrodes absorb only a limited portion of solar radiation, mainly ultraviolet and part of the visible spectrum. A large share of solar energy, particularly infrared photons, remains unused. This spectral mismatch significantly limits the efficiency of hydrogen production from sunlight.
Plant cell structure could hold key to cancer therapies and improved crops
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