28 Aug '17, 2am

More solar power thanks to titanium

More solar power thanks to titanium

Earth-abundant, cheap metals are promising photocatalytic electrode materials in artificial photosynthesis. A team of Chinese scientists now reports that a thin layer of titania beneath hematite nanorods can boost the performance of the photoanode. As outlined in their report in the journal Angewandte Chemie, the nanostructured electrode benefits from two separate effects. This design combining nanostructure with chemical doping may be exemplary for improved "green" photocatalytic systems. With the help of a catalyst, sunlight can drive the oxidation of water to oxygen and the release of electrons for current generation, a process also called artificial photosynthesis. Iron oxide in the form of hematite is a convenient and cheap catalyst candidate, but the electrons set free by the chemical reaction tend to be trapped again and get lost; the electricity flow is inefficient...

Full article: http://www.solardaily.com/reports/More_solar_power_thanks...

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