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采用TiCl4对染料敏化纳米TiO2薄膜太阳能电池的光阳极基板和TiO2薄膜进行处理(以下简称为前处理和后处理),并将其组装成电池器件.主要研究了在70℃的条件下,TiCl4前处理和后处理对电池光电性能的影响.Ⅰ-Ⅴ曲线和扫描电镜结果显示,染料敏化纳米薄膜太阳电池基板经TiCl4处理后可以增大电池的开路电压;TiO2薄膜经过TiCl4处理后可以增大电池短路电流密度.经过前后处理的电池开路电压从670mV提高到703mV,短路电流密度从7.28mA/cm2提高到11.27mA/cm2,电池效率从3.71%提高到4.72%.

参考文献

[1] RENYJ;ZHANGL .Photocurrent Enhancement by TiCl4 Posttreatment for TiO2Nanoporous Film Electrodes[J].Electrochemistry,2002,8(01):5.
[2] 曾隆月,戴松元,王孔嘉,潘旭,史成武,郭力.Mechanism of Enhanced Performance of Dye-Sensitized Solar Cell Based TiO2 Films Treated by Titanium Tetrachloride[J].中国物理快报(英文版),2004(09):1835-1837.
[3] OKUYA M;NAKADE K;KANEKO S .PorousTiO2 thin films synthesized by a spray pyrolysis deposition technique and their application to dye-sensitized solar cells[J].Solar Energy Materials &Solar Cella,2002,70:425-435.
[4] 曾隆月,戴松元,王孔嘉,孔凡太,胡林华.染料敏化纳米薄膜太阳电池TiO2薄膜的研究进展[J].太阳能学报,2005(04):589-596.
[5] ZHANGDS;LIUY .Chemical Treatments of the Nanoerystalline TiO2 Porous Electrodes[J].Chinese Science Bulletin,2001,45(21):1956.
[6] SOMMELING PM;OREGAN BC;HASWELLRR et al.Influence of TiCl4 Post-treatment on Nanocrystalline TiO2 Films in Dye-sensitized Solar Cells[J].Journal of Physical Chemistry B,2006,110(39):19191.
[7] Li X;Lin H;Li JB;Wang N;Lin CF;Zhang LZ .Chemical sintering of graded TiO2 film at low-temperature for flexible dye-sensitized solar cells[J].Journal of Photochemistry and Photobiology, A. Chemistry,2008(2/3):247-253.
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