Tag Archives: Empa

Doping boosts efficiency of CdTe cell: Empa study

Scientists at the Empa Institute in Switzerland claim to have achieved 11.5% conversion efficiency for a CdTe solar cell by doping it with copper. The researchers improved on previous results of around 8% by using high-vacuum copper evaporation on substrate … Continue reading

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Empa achieves record 20.4% efficiency for flexible thin film

Scientists at Empa, the Swiss Federal Laboratories for Materials Science and Technology, have developed thin film solar cells on flexible polymer foils with a new record efficiency of 20.4% for converting sunlight into electricity. Empa said the cells are based … Continue reading

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