A layer of silicon nanocrystals and erbium ions may help solar cells to extract more energy from the ultraviolet (UV, high-energy) part of the solar spectrum. Experimental physicists from the FOM Foundation, the STW Technology ...
Nanophysics
Aug 13, 2014
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1703
(Phys.org) —Los Alamos researchers have demonstrated an almost four-fold boost of the carrier multiplication yield with nanoengineered quantum dots. Carrier multiplication is when a single photon can excite multiple electrons. ...
Nanophysics
Jun 19, 2014
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Sunlight is the earth's most abundant source of energy and if harvested efficiently could be a source of clean, unlimited, renewable energy. According to the United States Department of Energy, world demand for energy is ...
Energy & Green Tech
Apr 22, 2014
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An international group including one professor from the Moscow State University have proposed the first ever quantitative description of the mechanism responsible for sunspot formation and underlying the solar activity cycle.
Space Exploration
Mar 26, 2014
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(Phys.org) —As the world's dependence on fossil fuels causes ever-increasing problems, researchers are investigating solar fuels as an alternative energy source. To make solar fuels, sunlight is converted into hydrogen ...
(Phys.org) —Getting the blues is rarely a desirable experience—unless you're a solar cell, that is.
Nanophysics
Jan 24, 2014
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Solar cells optimized to suit local light conditions, or made more efficient by using a broader part of the solar spectrum, are among the imaginative applications foreseen from ground-breaking new insights into plant photosynthesis ...
Energy & Green Tech
Nov 22, 2013
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Solar cells offer the opportunity to harvest abundant, renewable energy. Although the highest energy light occurs in the ultraviolet and visible spectrum, most solar energy is in the infrared. There is a trade-off in harvesting ...
Nanomaterials
Nov 17, 2013
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German Fraunhofer Institute for Solar Energy Systems, Soitec, CEA-Leti and the Helmholtz Center Berlin announced today that they have achieved a new world record for the conversion of sunlight into electricity using a new ...
Energy & Green Tech
Sep 24, 2013
32
1
By inserting platinum atoms into an organic semiconductor, University of Utah physicists were able to "tune" the plastic-like polymer to emit light of different colors – a step toward more efficient, less expensive and ...
Condensed Matter
Sep 13, 2013
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