(Phys.org) —In an approach that could challenge silicon as the predominant photovoltaic cell material, University of Wisconsin-Madison materials engineers have developed an inexpensive solar cell that exploits carbon nanotubes ...
Nanophysics
Jun 18, 2013
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A dramatic drop in the price of solar power technology last year helped the continued growth of renewable energy, according to a U.N.-backed report published Wednesday.
Energy & Green Tech
Jun 12, 2013
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Kuwait invited bids on Wednesday to build a solar farm to produce 70 megawatts of electricity by 2016, the first phase of a plan to generate 2,000 megawatts from renewables in 2030, the project supervisor said.
Energy & Green Tech
Jun 12, 2013
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(Phys.org) —The potential energy available via solar power might seem limitless on a sunny summer day, but all that energy has to be stored for it to be truly useful. If you see a solar panel on a rooftop, in a large-scale ...
Energy & Green Tech
Jun 7, 2013
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(Phys.org) —A new version of solar cells created by laboratories at Rice and Pennsylvania State universities could open the door to research on a new class of solar energy devices.
Nanomaterials
May 29, 2013
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With batteries still struggling to pack the same power as petrol one of the great challenges for electric vehicles is extending their range.
Energy & Green Tech
May 27, 2013
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(Phys.org) —Most Americans want the U.S. to place more emphasis on developing solar power, recent polls suggest. A major impediment, however, is the cost to manufacture, install and maintain solar panels. Simply put, most ...
Nanomaterials
May 13, 2013
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Today on Earth Day, scientists have announced a collaboration to develop an affordable photovoltaic system capable of concentrating, on average, the power of 2,000 suns, with an efficiency that can collect 80 percent of the ...
Energy & Green Tech
Apr 22, 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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(Phys.org) —Devices that harvest energy from the environment require specific environmental conditions; for instance, solar cells and piezoelectric generators require sunlight and mechanical vibration, respectively. Since ...
