Effect of electron beam irradiation on the electrochemical properties of heteropolyacid-polyethylene oxide composite electrolyte for dye-sensitized solar cell

초록

A composite electrolyte for dye-sensitized solar cell (DSSC) was prepared with heteropolyacids (HPA) and polyethylene oxide (PEO) in the mixture solvent of chloroform and methanol The amorphicity and ionic conductivity of the HPA-PEO composite electrolytes were significantly enhanced upon the appropriate dose of electron beam (e-beam) irradiation in the range of 40-120 kGy A DSSC fabricated with HPA-PEO irradiated at the optimum dose of 120 kGy showed maximum overall conversion efficiency of 3 4% with a V-OC of 0 588 V, I-SC of 9 68 mA/cm(2) and fill factor of 58 9% under 100 mW/cm(2), which improved by 13% efficiency in comparison with the DSSC with bare HPA-PEO composite electrolytes (C) 2009 Elsevier B V All tights reserved

키워드