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TiO_2薄膜的自组装及其光电性能研究

Research on Evaporation-induced Self-assembly Method and Photoelectric Properties of TiO_2 Films
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摘要 采用蒸发诱导自组装方法,在导电玻璃基体上制备了具有高热稳定性、高比表面积的TiO_2薄膜。运用扫描电子显微镜、X射线衍射分析仪对TiO_2薄膜的形貌和结构进行了分析,表明制备出的纳米晶TiO_2薄膜具有多孔的锐钛矿结构,晶粒平均尺寸d为29.2nm。以D102染料敏化的TiO_2薄膜为阳极,0.3mol/L KI溶液为电解液,铂电极为阴极,组成太阳能电池,通过电流-电压曲线研究了太阳能电池的性能。结果表明:太阳能电池的J短路为17.80mA·cm-2,U开路为0.60V,填充因子FF为0.54,光电转换效率为0.39%。 By using evaporation-induced self-assembly method,the TiO2 thin films with high thermal stability and high specific surface area is prepared on a conductive glass substrate.With the use of scanning electron microscopy and X-ray diffraction analysis,the morphology and structure of TiO2 films are analyzed.The results show that the TiO2 film forms a porous nanocrystalline of anatase,with average grain diameter daround 29.2nm.Taking D102 dyesensitized TiO2film as anode,0.3mol/L KI solution as electrolyte,aplatinum electrode as the cathode,a solar cell can be assembled.Its properties with respect to the current-voltage curve are also considered.The results show that the short circuit current of the solar cell is 17.80 mA·cm-2,the open circuit voltage is 0.60 V,the fill factor is0.54,the photoelectric conversion efficiency is 0.39%.
作者 周伟 符力平
出处 《材料导报(纳米与新材料专辑)》 EI CAS 2016年第1期10-12,共3页
关键词 蒸发诱导自组装 TIO2薄膜 太阳能电池 evaporation-induced self-assembly TiO2 thin film solar cell
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