简介:Additivesandiodine(I2)areusedtomodifythebinaryroomtemperatureionicliquid(RTIL)electrolytetoenhancethephotovoltaicperformanceofdye-sensitizedsolarcells(DSSCs).Theshort-circuitcurrentdensity(JSC)of17.89mA/cm2,opencircuitvoltage(VOC)of0.71Vandfillfactor(FF)of0.50areachievedintheoptimaldevice.Anaveragephotoelectricconversionefficiency(PCE)of6.35%isachievedbyoptimization,whichisovertwotimeslargerthanthatoftheparentdevicebeforeoptimization(2.06%),whilethemaximumPCEcanreachupto6.63%.