Abstract:The effect of electrospinning parameters on the morphology and efficiency of nonconjugated polar polymers PC 71 BM was systematically investigated by varying the applied voltage, needle tip-to-collector distance and flow rate respectively. The best PVP:PC 71 BM nanofiber efficiency is at applied voltage of 15kV which is about 8.75% followed by 1.0mL/hr flow rate and 10cm needle to collector distance with PCE=7.40% and 6.86% respectively. The device with applied voltage of 15kV exhibits enhanced short circuit c… Show more
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