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Experiments showed that a coating just one molecule thick can significantly enhance the performance of an organic photovoltaic cell (OPV). In performance, the coating outperformed PEDOT:PSS, which is the leading material used for the same task. In addition to improving the performance of OPVs, the single-molecule coating developed by scientists at King Abdullah University of Science and Technology (KAUST) could be used to improve other devices that rely on organic molecules, such as LEDs and photodetectors.
When light enters a photovoltaic cell, its energy frees an electron and leaves behind a positive gap, known as a hole. In OPVs, PEDOT:PSS is widely used to ease the transfer of holes into an electrode. However, the material is…READ MORE