Cracks permeate the dried-out desert ground, the landscape bears testimony to the lack of water. But even here, where there are no lakes, rivers or groundwater, considerable quantities of water are stored in the air. In the ...
Engineering
Jun 5, 2009
12
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(PhysOrg.com) -- A new kind of screen pixel doubles as a solar cell and could boost the energy efficiency of cell phones and e-readers. The technology could also potentially be used in larger displays to make energy-harvesting ...
Nanomaterials
Oct 7, 2011
3
0
Soiling—the accumulation of dust and sand—on solar power reflectors and photovoltaic cells is one of the main efficiency drags for solar power plants, capable of reducing reflectivity up to 50 percent in 14 days. Though ...
Energy & Green Tech
Jan 30, 2014
0
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Sandia National Laboratories scientists have developed tiny glitter-sized photovoltaic cells that could revolutionize the way solar energy is collected and used.
Energy & Green Tech
Dec 22, 2009
0
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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
15
0
Researchers have shown how to modify commercially available silicon wafers into a structure that efficiently absorbs solar energy and withstands the high temperatures needed for "concentrated solar power" plants that might ...
General Physics
Apr 5, 2017
0
667
An analysis of the engineering and economics for a solar water-heating system shows it to have a payback period of just two years, according to researchers in India. They report, in the International Journal of Global Energy ...
Energy & Green Tech
Mar 9, 2009
4
0
(PhysOrg.com) -- Silevo, the Fremont, California, photovoltaic solar module manufacturers, yesterday stepped forward to talk all about their technology for the first time and to say that it offers the best performance-to-cost ...
(PhysOrg.com) -- Intensive research around the world has focused on improving the performance of solar photovoltaic cells and bringing down their cost. But very little attention has been paid to the best ways of arranging ...
Energy & Green Tech
Mar 26, 2012
22
0
Leveraging the amazing natural properties of the Morpho butterfly's wings, scientists have developed a nanobiocomposite material that shows promise for wearable electronic devices, highly sensitive light sensors and sustainable ...
Nanomaterials
Aug 28, 2013
0
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