Enhancement of the Photoelectric Performance of Dye-sensitized Solar Cells by Sol-gel Modified TiO_2 Films

查看全文 作　　者：Yunfeng [1]Zhao;Xiaojie [3]Li;Qiuping [2]Li;Changsheng [1]Deng

机构地区：[1]Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China;[2]PetroChina Pipeline R&D Center, Langfang 065000, China;[3]ENN Science Technology Development Co. Ltd., Langfang 065000, China

出　　处：《Journal of Materials Science & Technology》索引2011年第27卷第8期,共5页

摘　　要：Modified TiO2 films have been prepared by combining commercial titania powders (Degussa P25) with sol-gel made by titanium chloride (Ti-sol). The result shows that clusters are formed by nanoparticles and large pores can be seen on the surface of the TiO2 films. The short circuit photocurrent density and photoelectric conversion efficiency of the solar cells are obviously enhanced compared with those without modification. The relationship between the photoelectric conversion efficiency and the amount of Ti-sol was investigated. With the addition of 30 wt% Ti-sol, the photoelectric conversion efficiency as high as 9.75% is achieved, increasing by 28.3% compared with the solar cells without modification. 关键词：染料敏化太阳能电池 TIO2薄膜增强改性溶胶光电性能凝胶二氧化钛粉末光电转换效率

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Enhancement of the Photoelectric Performance of Dye-sensitized Solar Cells by Sol-gel Modified TiO_2 Films

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