(Phys.org) —The Energy Department's National Renewable Energy Lab has announced a world record of 31.1% conversion efficiency for a two-junction solar cell under one sun of illumination.
Energy & Green Tech
Jun 25, 2013
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Sharp Corporation has achieved the world's highest solar cell conversion efficiency of 44.4%, using a concentrator triple-junction compound solar cell. These solar cells are used in a lens-based concentrator system that focuses ...
Energy & Green Tech
Jun 14, 2013
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(Phys.org) —Using a powerful combination of microanalytic techniques that simultaneously image photoelectric current and chemical reaction rates across a surface on a micrometer scale, researchers at the National Institute ...
Materials Science
May 15, 2013
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A researcher with the National Institute of Advanced Industrial Science and Technology (AIST) has developed a novel light-trapping structure to enhance optical absorption inside thin-film silicon solar cells. A conversion ...
Energy & Green Tech
May 15, 2013
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(Phys.org) —For some solar cells, the future may be fluorescent. Scientists at Yale have improved the ability of a promising type of solar cell to absorb light and convert it into electrical power by adding a fluorescent ...
Optics & Photonics
May 9, 2013
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Researchers from Ulsan National Institute of Science and Technology (UNIST) have demonstrated high-performance polymer solar cells (PSCs) with power conversion efficiency (PCE) of 8.92% which is the highest values reported ...
Nanomaterials
May 7, 2013
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Throughout decades of research on solar cells, one formula has been considered an absolute limit to the efficiency of such devices in converting sunlight into electricity: Called the Shockley-Queisser efficiency limit, it ...
Energy & Green Tech
Apr 18, 2013
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Solar cells are just like leaves, capturing the sunlight and turning it into energy. It's fitting that they can now be made partially from trees.
Nanomaterials
Mar 26, 2013
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Fraunhofer Heinrich Hertz Institute (HHI) and Fujitsu Laboratories Ltd. have achieved locally distributed wavelength-division multiplexing with exactly defined frequency spacing. Four Nyquist-shaped 25-GBd quadrature phase-shift ...
Telecom
Mar 19, 2013
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A new technique developed by U of T Engineering Professor Ted Sargent and his research group could lead to significantly more efficient solar cells, according to a recent paper published in the journal Nano Letters.
Nanophysics
Mar 7, 2013
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