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Lasers are making solar cells competitive

At "Laser 2009" in Munich, Germany, June 15 to 18, Fraunhofer researchers will be demonstrating how laser technology can contribute to optimizing the manufacturing costs and efficiency of solar cells.

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Cheaper Solar Power's Time Has Come

(PhysOrg.com) -- Solar power manufacturers in the US are cutting prices to shift their stock, the government is chipping in with tax credits, and innovative leasing or financing arrangements spreading...

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Calif. solar firm hits desert swarm

BrightSource Energy has encountered some storm clouds in its quest to bring a solar future to large stretches of the western United States. The Oakland, Calif.,-based developer of solar farms has been...

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Catalyst could power homes on a bottle of water, produce hydrogen on-site (w/...

(PhysOrg.com) -- With one bottle of drinking water and four hours of sunlight, MIT chemist Dan Nocera claims that he can produce 30 KWh of electricity, which is enough to power an entire household in...

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In solar power, N.J. shines

If NFI Industries' calculations are right, the three acres of solar panels just installed on the roof of its Cherry Hill, N.J., headquarters will save $750,000 in energy costs over 15 years and become...

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New dyes improve solar technologies for generating clean electricity and...

(PhysOrg.com) -- Chemists at the University at Buffalo have synthesized a new class of photosensitizing dyes that greatly increase the efficiency of light-driven systems that produce two kinds of green...

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The state of solar

Arizona has more sunny days per year than any other state in the U.S. Phoenix residents enjoy more than 300 sun-filled days per year, according to the city’s official website. Given this seemingly...

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Record efficiency of 18.7 percent for flexible CIGS solar cells on plastics

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...

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How to produce flexible CIGS solar cells with record efficiency

High-performance flexible and lightweight solar cells, say, on plastic foils, have excellent potential to lower the manufacturing costs through roll-to-roll processing and the so called...

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Google to finance home solar systems

(AP) -- Google says it will invest $75 million to help 3,000 homeowners install solar panels on their roofs.

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Screening Africa's renewable energies potential

The European Commission's Joint Research Centre (JRC) has published today a study mapping the potential of renewable energy sources in Africa. The report analyses the current energy consumption in...

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Making mirrors for the sun

With $1.5 million from the Department of Energy, University of Arizona researchers are continuing to improve groundbreaking technology to produce solar electricity at a price competitive with...

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UCLA's new transparent solar film could be game-changer

One of the holy grails of solar cell technology may have been found, with researchers at UCLA announcing they have created a new organic polymer that produces electricity, is nearly transparent and is...

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A new world record for solar cell efficiency

In a remarkable feat, scientists at Empa, the Swiss Federal Laboratories for Materials Science and Technology, have developed thin film solar cells on flexible polymer foils with a new record...

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Power to the people: Student devotes energy to his fellow Nigerians

Like many Nigerians, MIT graduate student Chidube Ezeozue grew up frustrated by his nation's erratic electrical grid.

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Working toward a more inexpensive and widespread use of solar energy

"The use of solar energy is increasing rapidly, and by 2050, the share of solar electricity may even represent one fourth of all the electricity used worldwide," predicts Professor Peter Lund of Aalto...

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Proposed solar array offers a bright energy future

Here comes the sun: Cornell hopes to expand its renewable energy portfolio as it benefits from the NY-Sun Initiative, a series of large-scale, solar energy projects expected to add about 67 megawatts...

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The positive sides of doping: Scientists boost CdTe solar cell efficiency

Flexible thin film solar cells that can be produced by roll-to-roll manufacturing are a highly promising route to cheap solar electricity. Now scientists from Empa, the Swiss Federal Laboratories for...

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Solar, geothermal projects touted at Vegas summit

The Obama administration's top land official praised a geothermal electricity project in California's snow-capped mountains as an example for others during a headline appearance at a green energy...

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World record solar cell with 44.7% efficiency

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...

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