Defect-filled lead-halide perovskites rival silicon solar cells because domain walls inside the material separate and guide charges. Researchers visualized these charge-transport networks using a novel silver-staining technique, resolving a long-standing efficiency mystery. Perovskites made from lead halides are produced through low-cost solution processing and contain many defects. Even so, they convert sunlight into electricity with […]Physics,Electricity,Photovoltaics,Silicon,Solar Power#Flawed #Crystals #Powering #Future #Solar #Energy1772145839
