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Electrospun  poly(vinylidene  fluoride‐co‐hexafluoropropylene)  (PVdF‐HFP)  nanofibrous  composite  membranes  (esCPMs) incorporated with various wt% of polypyrrole  (PPy) nanoparticles  (1, 2, 3 and 4 wt%) were prepared by electrospinning technique  for dye sensitized solar cell  (DSSC) applications. The surface morphology, crystallinity, porosity and electrolyte uptake of the prepared esCPMs were examined. The esCPMs were soaked in an ionic liquid electrolyte containing 0.5 M LiI, 0.05 M I2,  0.5 M  4‐tert butyl  pyridine  and  0.5 M  1‐Butyl‐3‐methylimidazolium  iodide  in  acetonitrile  to  get  electrospun PVdF‐HFP/PPy  nanofibrous  composite  polymer  membrane  electrolytes  (esCPMEs).  The  influences  of  PPy  on  ionic conductivity  and  electrocatalytic  activity of  esCPMEs were  studied by  electrochemical  impedance  and  Tafel polarization measurements. The DSSC fabricated with esCPME (2 wt% PPy) had the photo‐conversion efficiency (PCE) of 7.02% at 100 mW cm, which was higher than that fabricated with the conventional electrospun PVdF‐HFP membrane electrolyte (esPME).

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Influence of Polypyrrole Incorporated Electrospun Poly(vinylidene fluoride-co-hexafluoropropylene) Nanofibrous Composite Membrane Electrolyte on the Photovoltaic Performance of Dye Sensitized Solar Cell