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1.
Synopsis

Solar Cell Efficiency through Thick and Thin

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Published September 27, 2012
Ultrathin solar cells are cost efficient, but new theoretical tools are needed to understand how light interacts with cells thinner than its wavelength.
2.
Synopsis

Optical Device is More Than 100% Efficient

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Published February 27, 2012
Experiments demonstrate a semiconductor device that emits more power as light than it takes in electrically.