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a-SiAmorphous Silicon
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Amorphous silicon technology has only recently left the lab for real-world applications, and the Bakersfield facility, called Solarmine, is still a demonstration project, possessing 4,800 solar panels and rated at 500 kilowatts.
Amorphous silicon solar cells are already being produced for this reason.
2-inch amorphous silicon LCD at FPD International 2006, being held from October 18-20 at Pacifico Yokohama.
Amorphous silicon, or a-Si, absorbs light better than the crystalline version can, Guha said, so the manufacturer uses less material for the same output while making a durable film that's readily incorporated into roofing materials.
Amorphous silicon solar cells are much less efficient than cells made of single-crystal silicon, but they are also much cheaper to make.
So scientists are seeking to make thin-film, amorphous silicon cells -for instance, by spraying silicon compounds onto a plain metal backing.
Since its introduction in the late 1970s, shipments of amorphous silicon PVs have grown rapidly to 15 megawatts in 1990, more than 30 percent of the market.