Influence of measurement parameter on dye-sensitized solar cell efficiency

The testing time interval and voltage interval in accurately measuring the efficiency of Dye-sensitized solar cells is discussed abased on experiments and quantitative analysis. By measuring a typical dye-sensitized solar cell which was characterized with the crystalline ingredient, holes, and interface, the influences of testing time interval and voltage interval to the measured I-V curve were lay out, that the measured efficiency results fluctuated from 6.02% to 15%. It´s found in experiment that both different testing time interval and voltage interval leaded to fluctuations of measured efficiency and even got much higher measured efficiency value than that in steady work state, while no such phenomena were observed in that of silicon cells. By farther analysis, the scan speed, which is the combine of the time interval and voltage interval, was attributed as the factor of influence to the measured result. According to the experimental results, the range of measurement parameters for accurate efficiency of DSSC was given.