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Researchers in HyperPV developed the OPV cell with ternary approach with commercially available polymer donor D18, nonfullerene acceptor L8-BO, and fullerene acceptor PC61BM. The third component PC61BM was added to improve the stability of the cell. The cell has an open-circuit voltage (VOC) of 0.934 V, a short circuit current (JSC) of 26.31 mA/cm2, and a fill factor (FF) of 79.2%. The cell maintained a stable state during the Maximum Efficiency Point Tracking Output (MPPT) test. The relative fluctuation of the output power of the OPV cell was less than 0.1% for a total test time of 5 minutes.
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