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#1
10-03-2012, 06:09 AM
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Photovoltaic
Photovoltaics is the direct conversion of light into electricity at the atomic level.Some materials exhibit a property known as the photoelectric effect that causes them to absorb photons of light and release electrons.Photovoltaic cells are made up of at least 2 semi-conductor layers. One layer containing a positive charge, the other a negative charge.
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