Abstract
The one-pot electrochemical method was implemented for the fabrication of polyaniline (PANI)/single walled carbon nanotube (SWCNT)/zinc oxide (ZnO) composite films (PSZ) on fluorine-doped tin oxide (FTO) substrates. The 3D architectured PSZ films were employed in dye-sensitized solar cells (DSSCs) and evaluated as low-cost counter electrode (CE) material. The as-prepared counter electrode had been characterized by using X-ray diffraction, Field emission scanning electron microscope, and elemental composition was done by Energy-dispersive X-ray (EDX) analysis. The improved electro-catalytic activity of PSZ based CE is realized via a synergistic effect between ternary components and was verified by electrochemical characterizations i.e cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS).The enhanced energy conversion efficiency of 3.81% from PSZ film could also be realized. The PSZ nano-composite based counter material via facile electrodeposition acts as a viable alternative to Pt in dye-sensitized solar cell (DSSC) applications.
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