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Monday, January 21, 2013

How Light-Trapping Surfaces Will Boost Solar Cell Efficiency

Trapping light on the surface of solar cells can significantly boost their efficiency, say physicists

 This prevents both reflection and transmission and so has the potential to significantly increase the efficiency of thin film solar cells.

Today, Constantin Simovski at Aalto University in Finland and a few pals reveal their design for a new light-trapping structure. Their idea is to cover a cell with a regular array of silver nanoantennas that convert ordinary incoming waves into more exotic ones that propagate through the photovoltaic slab itself.

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