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Electrochemical Photolysis of Water at a Semiconductor Electrode


ALTHOUGH the possibility of water photolysis has been investigated by many workers, a useful method has only now been developed. Because water is transparent to visible light it cannot be decomposed directly, but only by radiation with wavelengths shorter than 190 nm (ref. 1).

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FUJISHIMA, A., HONDA, K. Electrochemical Photolysis of Water at a Semiconductor Electrode. Nature 238, 37–38 (1972).

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