Scientists demonstrate how to improve ultrathin CIGSe solar cells by nanoparticles

16 octubre 2015

CIGSe solar cells are made of a thin chalcopyrite layer consisting of copper, indium, gallium and selenium and can reach high efficiencies. Since indium is becoming scarce and expensive, it is interesting to reduce the active CIGSe layer, which however decreases the efficiency quite strongly. Now, scientists have produced high quality ultrathin CIGSe layers and increased their efficiency by an array of tiny nanoparticles between the back contact and the active layer.
http://www.sciencedaily.com/releases/2015/10/151016115548.htm

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