Fig. 3: Optical and electrical characterizations of the electrodes.

a Electrospun film porosity variation with spinning time. b Variation of porosity of spun films immersed in different concentrations of ethanol-water blend with the number of hole-opening cycles. c Sheet resistance of the electrodes with different dip-coating cycles. d Optical image of as-prepared electrode indicating its transmittance. e Transmittance of the electrodes with different dip-coating cycles. f Comparison of our work with some reported previous excellent AgNW electrodes18,52,53,54,55.