Graphical abstract. Credit: https://doi.org/10.1016/j.joule.2021.05.004 A solar cell developed by physicists from the University of Luxembourg and Uppsala University has recently been certified with an efficiency of 14%, which comes close to the world record of 15.5%. These new findings have been recently accepted for publication in the international journal of energy research Joule. Solar cells technology has seen significant progress over the last decades, putting solar cells among the lowest cost sources of electricity in central Europe. Solar cells have fundamental physical limitations, and they can never be 100% efficient. Promising new technologies Materials for solar cells are always a…
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