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Silicon nanocrystals promise 40% solar-cell efficiency
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Silicon nanocrystals promise 40% solar-cell efficiency |
A research team at the NREL (National Renewable Energy Laboratory) claims to have observed production of two to three electrons from a single photon in a silicon nanocrystal. The result is potentially highly significant for the photocell business. Scientists had previously thought that silicon could produce only one excited electron per photon—limiting the conversion efficiency of silicon...
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2007-09-13 08:35:50
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