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Artificial leaf could charge up developing world

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The first practical artificial leaf – composed of silicon, nickel and cobalt – can convert sunlight into chemical fuel, a milestone in the drive for sustainable energy that mimics the process of photosynthesis. Unlike earlier devices, which used costly ingredients, the MIT-developed artificial leaf is made from inexpensive materials and uses low-cost engineering and manufacturing processes. A sunlight collector sandwiched between two films generates oxygen and hydrogen gas. When dropped into a jar of water in the sunlight, the device bubbles away, releasing hydrogen that...Read full article

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    Published: August 2012
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Americasartificial leafartificial photosynthesisChesonis Family Foundationcobalt filmDaniel G. NoceraenergyGreenLightindustrialMassachusettsMITNational Science Foundationnickel-molybdenum-zinc compoundphotonicsphotosynthesisplatinum artificial leafplatinum catalystsilicon artificial leafsolarSolar Energysunlight conversionsustainable energy

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