Enhancement of the Photoelectric Performance of Dye-sensitized Solar Cells by Sol-gel Modified TiO2 Films |
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| Authors: | Yunfeng Zhao Xiaojie Li Qiuping Li Changsheng Deng |
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| Affiliation: | aInstitute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China;bPetroChina Pipeline R&D Center, Langfang 065000, China;cENN Science Technology Development Co. Ltd., Langfang 065000, China |
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| Abstract: | 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-... |
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| Keywords: | Sol-gel Titanium dioxide Dye-sensitized solar cells |
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