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Photoelectric Effect
Photoelectric Effect
Schematic diagram of a photovoltaic system, all of which rely on the photoelectric effect.

When light strikes certain solids, positive and negative charge carriers are freed and electricity then flows. This property is known as the photoelectric effect and makes the production of Solar Current by Solar Cells, and hence Photovoltaics, possible. The effect was first analyzed by Albert Einstein who later recieved the Nobel Prize in physics for his related work.

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