Abstract
The several types of nanofibers were added in dye-sensitized solar cells (DSSCs) and there electrochemical properties were investigated. The surface morphologies of TiO2 electrode was studied by field emission scanning electron microscopy (FE-SEM) and the photoelectrochemical properties of the DSSCs were measured by photovoltaic-current density, AC impedance. By adding the several types of nanofibers we successfully increased the amount of dye loading and enhance the solar conversion efficiency. The pure TiO2 film based DSSC was obtained solar conversion efficiency of 4.8% under irradiation of AM 1.5 (100 mWcm−2). The solar energy conversion efficiency of TiO2 film with 5 wt% SiO2 fiber is 6.2% and it's higher than another fiber (ZrO2, Al2O3 and TiO2). The Voc, Jsc, and FF are 0.73 V, 14.23 mA cm−2 and 60%, respectively.
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