Perovskite solar cell defects trap charge carriers and then release them again

Among the most exciting materials for solar cells are the so-called MAPI semiconductors. They consist of organic methylammonium cations and lead iodide octahedra that form a perovskite structure. MAPI based solar cells have achieved efficiencies of 25% within a few years. But so far, the semi-organic semiconductors are still aging rapidly.

from Energy & Green Tech News - Energy Sciences News, Green Tech, Energy, Energy Science https://ift.tt/2YsiOzK

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