【摘要】 采用季铵化反应合成了1-丁基-3-甲基咪唑碘([Bmim]I).以此制备了DSCs用液体电解质.通过对比不同浓度的1-丁基-3-甲基咪唑碘、碘化钾、碘,研究其对电池性能的影响.经过优化后,当cIL=0.9 mol.L-1、cKI=0.5 mol.L-1、cI2=0.12 mol.L-1时,所组装的离子液体DSCs在AM1.5,100 mW.cm-2下,DSCs的短路电流密度为15.97 mA.cm-2、开路电压为0.71 V、填充因子为0.55、光电转换效率可达6.34%.更多还原

【Abstract】 1-Butyl-3-methylimidazolium iodide was synthesized by quaternization.The photovoltaic performance of dye-sensitized solar cells(DSCs) was compared for electrolytes containing different concentrations of I,KI and iodine.After optizimed,the DSCs with the electrolyte(0.90 mol·L-1 I,0.50 mol·L-1 KI and 0.12 mol·L-1 I2 in GBL) gave short circuit photocurrent density(Jsc) of 15.97 mA·cm-2,open circuit voltage(Voc) of 0.71 V,and fill factor(FF) of 0.55,corresponding with the photoelectric conversion efficiency(η) of 6.34% under one Sun(Xenon lamp,AM1.5,100 mW·cm-2).更多还原