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Someday, you'll be able to print out solar cells on your home printer. Conventional solar cells that are used on buildings and satellites are made from purified silicon. But over the past decade, scientists have been exploring the potential of a conductive polymer material, that can be easily coded or painted onto surfaces, like laptops, appliances or cars.
They are called organic solar cells. Earth & Sky spoke with Somenath Mitra at the New Jersey Institute of Technology. His recent contribution is a type of organic soalr cell that combines fullerenes or buckyballs with carbon nanotubes. The buckyballs trap like electrons from light and the tiny nanotubes act like wires to conduct the electric current.
Mitra told Earth & Sky at that organic soalr cell technology should lead to solar cells you can print from a home computer in about 5 to 10 years. Organic solar cells still have a way to go though before they're as effecient as conventional soalr cells. Meanwhile, Mitra told Earth & Sky that much of the promise of solar energy depends on cost, the pays of development will pick up even more he said when solar panels become much cheaper or when our power bills become much higher.
Tell us your thoughts on solar energy at our website. This is Earth & Sky, a clear voice for science. We are at Earthsky.org.
总结：
organic solar cells 有机太阳能电池
conductive polymer material 导电高分子材料
posted @ 2007-08-02 11:40
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