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Contact: Dr. Roel van de Krol
Helmholtz Association of German Research Centres

Solar Hydrogen Production Breakthrough

Caption: When light hits the system, an electrical potential builds up. The metal oxide layer acts as a photo anode and is the site of oxygen formation. It is connected to the solar cell by way of a conducting bridge made of graphite (black). Since only the metal oxide layer is in contact with the electrolyte, the silicon solar cell remains safe from corrosion. A platinum spiral serves as the cathode where hydrogen is formed.

Credit: Image: TU Delft

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Related news release: The best of 2 worlds: Solar hydrogen production breakthrough

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