Natcore surpasses 20% efficiency with laser-based solar cell structure

By Kelly Pickerel Scientists at Natcore Technology have achieved an efficiency of 20.7% in their latest demonstration solar cell. Their result has received independent confirmation at the NanoPower Research Lab of the Rochester Institute of Technology.
Natcore’s device efficiency has now increased by more than three absolute percent since June, when the company announced an efficiency of 17.5%. At that level, Natcore’s cells were roughly equivalent to typical commercial cells being sold today. Natcore’s newest cells, with an efficiency that is a relative 20% higher than the prior cells, show the company’s steep rate of progress.
The result was achieved on the Natcore Foil Cell,

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