Energy in the 21st Century NEWS SERVICE

Vast power of the sun is tapped by battery using sand ingredient

E21NS  E21NS  E21NS  E21NS  E21NS April 26, 1954 New York Times | United States | renewables: solar

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A 6%-efficient "solar energy battery" (solar cell) was demonstrated at Bell Labs in Murray Hill, New Jersey. Developed by physicist G.L. Pearson, chemist C.S. Fuller, and electrical engineer D.M. Chapin, a solar cell functions via a "p-n" (positive-negative) junction with impurities introduced at the silicon surface in a similar process to transistor fabrication.

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