A new Japanese solar power device can generate twice the electricity of current models thanks to moving mirrors that follow the sun throughout the day, according to its developers.
Energy & Green Tech
Jun 3, 2011
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Scientists at Empa, the Swiss Federal Laboratories for Materials Science and Technology, have further boosted the energy conversion efficiency of flexible solar cells made of copper indium gallium (di)selenide (also known ...
Energy & Green Tech
May 19, 2011
9
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(PhysOrg.com) -- Do you know the Sears Tower? No, no you don't because for some time now it has been going by the much less famous name of the Willis Tower. While that bit of information may not be news to you, especially ...
Iron pyrite - also known as fool's gold - may be worthless to treasure hunters, but it could become a bonanza to the solar industry. The mineral, among the most abundant in the earth's crust, is usually discarded by coal ...
Energy & Green Tech
Jan 21, 2011
3
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(PhysOrg.com) -- The eyes of moths, which allow them to see well at night, are also covered with a water-repellent, antireflective coating that makes their eyes among the least reflective surfaces in nature and helps them ...
Optics & Photonics
Jan 20, 2011
3
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(PhysOrg.com) -- A University of Wyoming professor's findings, published today in the journal Science may open the door to new designs for inexpensive and higher efficiency solar cells.
Nanophysics
Sep 30, 2010
7
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One of the most promising technologies for making inexpensive but reasonably efficient solar photovoltaic cells just got much cheaper. Scientists at the University of Toronto in Canada have shown that inexpensive nickel can ...
Nanomaterials
Aug 3, 2010
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The sprawling solar installations gobbling up California's deserts have a new competitor, one that claims to generate more energy at lower costs while using less open space. Known as concentrator photovoltaics, or CPV, the ...
Energy & Green Tech
May 25, 2010
1
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A recent advance by Arizona State University researchers in developing nanowires could lead to more efficient photovoltaic cells for generating energy from sunlight, and to better light-emitting diodes (LEDs) that could replace ...
Nanomaterials
Mar 22, 2010
0
0
(PhysOrg.com) -- A novel strategy for engineering semiconductor materials can boost the performance of water-splitting solar cells for hydrogen production, according to a new study by researchers at the University of California, ...
Nanomaterials
Feb 8, 2010
1
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