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Dr Jiang (L) with MAPbI3 solar cell; Dr Wang (R) holds an iodine-degraded cell.
Dr. Yan Jiang holding a freshly made MAPbI3 perovskite solar cell (left). MAPbI3 perovskite solar cells degrade, which is marked by a drastic change in color, as seen on the right, held by Dr. Shenghao Wang. Image: OIST.
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