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Photovoltaic Cells

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by

dylan gurlik

on 19 April 2010

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Transcript of Photovoltaic Cells

Photovoltaic Cells Solar cells
Light Electricity Turning Sunlight Into Energy Photons from sun hit panels With enough energy, silicons atoms split into S+ and an electron Need positive/negative field to stay like this After they go out the cell, electricity is produced History/Background Photo= Light Volt= Alessandro Volta 1839, Edmond Becquerel Still evolving How This Affects Us Calculators, watches, satellites, & road signs Solar power (alternate energy) Inexpensive form of electricty Made of silicon Different shapes and sizes Little impact on enviornment References U.S Department of Energy. (2005). PV Physics. Retrieved April 13, 2010, from

http://www1.eere.energy.gov/solar/pv physics.html
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