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电沉积处理与染料敏化纳米薄膜太阳电池的优化

徐炜炜 戴松元 方霞琴 胡林华 孔凡太 潘 旭 王孔嘉

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电沉积处理与染料敏化纳米薄膜太阳电池的优化

徐炜炜, 戴松元, 方霞琴, 胡林华, 孔凡太, 潘 旭, 王孔嘉

Optimization of photoelectrode introduced to dye-sensitized solar cells by anodic oxidative hydrolysis

Xu Wei-Wei, Dai Song-Yuan, Fang Xia-Qin, Hu Lin-Hua, Kong Fan-Tai, Pan Xu, Wang Kong-Jia
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  • 采用阳极氧化水解法对染料敏化纳米TiO2薄膜太阳电池的光阳极进行不同方式的电沉积优化处理.借助x射线衍射仪对处理后的样品进行分析,通过超高分辨率场发射扫描电子显微镜对导电玻璃以及电沉积处理前后纳米多孔薄膜表面进行了粒径和形貌的扫描.染料敏化太阳电池实验测试结果表明,电沉积处理和修饰后可以明显提高光生电子的收集率,增大短路电流密度,提高电池效率.
    The influence of three different modification methods on the photoelectrode introduced to dye-sensitized solar cells by anodic oxidative hydrolysis of acidic aqueous TiCl3 solutions was investigated. X-ray diffraction analysis shows that the nanocrystalline TiO2 prepared by sol-gel and electrodeposition is anatase. The average nanocrystalline size of TiO2 prepared by electrodeposition is 19nm and that by sol-gel method is 23.7nm. The surface structure of the nanoporous TiO2 films and TCO glass are observed by field-emission scanning electron microscopy before and after electrodeposition. It is found that the short-current density and the photoelectric conversion efficiency of dye-sensitized solar cells are improved a lot through these different methods.
    • 基金项目: 国家重点基础研究发展规划(批准号:G2000028206)资助的课题.
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  • 文章访问数:  7644
  • PDF下载量:  1684
  • 被引次数: 0
出版历程
  • 收稿日期:  2005-03-10
  • 修回日期:  2005-07-06
  • 刊出日期:  2005-06-05

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