X-ray vision reveals how polymer solar cells wear out

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Müller-Buschbaum with his Gruop in the laboratory - Photo: Andreas Heddergott /
Müller-Buschbaum with his Gruop in the laboratory - Photo: Andreas Heddergott / TUM
Research news

Scientists from Technical University of Munich have used the accurate x-ray vision provided by DESY’s radiation source PETRA III to observe the degradation of polymer solar cells. Their study suggests an approach for improving the manufacturing process to increase the long-term stability of such organic solar cells.


Unlike conventional solar cells, which are made of silicon, organic solar cells produce electricity in an active blended layer between two carbon-based materials. When one of these is a polymer, the resulting cell is often referred to as a polymer solar cell. These are particularly promising because they can be manufactured simply and cheaply. ...
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