PolyU research uncovers hidden cause of ageing in perovskite solar cells; new strategy significantly extends cell lifetime (IMAGE)

The Hong Kong Polytechnic University

PolyU research uncovers hidden cause of ageing in perovskite solar cells; new strategy significantly extends cell lifetime

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At the boundary between differently oriented grains, positive charges build up on the (111) side under light, so that grain degrades first.

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polyu

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