Abstract

The control of nanoporous microstructure of TiO2 coating in the dye-sensitized solar cells (DSC) through preparation methods influences significantly the performance of the cells. To investigate the effect of microstructure of TiO2 deposit on the cell’s performance, in present study, vacuum cold spray (VCS) process is employed to deposit nanocrystalline TiO2 coatings on an ITO conductive glass substrate. TiO2 deposits were produced using nanosized particles of 25 nm in the diameter and composite powder composed of polyethylene glycol (PEG) and 25 nm TiO2 particles. The deposition characteristics and the microstructure of the coating are characterized by scanning electron microscopy, x-ray

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