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“The breakthrough is adding a layer of #perovskite, another #semiconductor, on top of the #silicon layer. This captures blue light from the visible spectrum, while the silicon captures red light, boosting the total light captured overall. With more energy absorbed a cell, the cost of #SolarElectricity is even cheaper and deployment can proceed faster to help keep global heating under control.” https://press.coop/@guardiannews/110668752489018086