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photovoltaic effect

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photovoltaic effect
n
(Physics / General Physics) the effect observed when electromagnetic radiation falls on a thin film of one solid deposited on the surface of a dissimilar solid producing a difference in potential between the two materials


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These panels generate electricity through the photovoltaic effect, which converts solar rays into a stream of electricity.
The origins of solar panels date way back to the early 1839 when French physicist Antoine Cesar Bequerel came across the correlation of light and electricity through the photovoltaic effect in an experiment with an electrolytic cell made of two metal electrodes in an electrolyte solution.
The photovoltaic effect is produced by sunlight of a particular frequency (color) causing silicon--that has been "doped" with special impurities--to give up electrons.
 
 
 
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