How a Longer Life of Excitons Could Facilitate Efficiency Compromises in Organic Solar Cells

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A collaboration of scientists from Sweden, Germany, and the Paul Drude Institute has identified the fundamental reason why organic solar cells lag behind silicon-based ones and proposed an elegant solution. According to the researchers' predictions, the new method will increase the efficiency of organic cells to over 20%, making them a serious competitor to traditional technologies. Photo: Thomas Roese Organic panels offer significant potential …

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Although the effectiveness of organic solar cells now exceeds 20%, there are physical limitations that make it difficult to increase their performance. A research team from the University of Linköping in Sweden, the University of Potsdam, the Paul Drue-Institut Berlin and other collaborators have demonstrated which physical processes limit a key parameter in [...]