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Technology of preparing anode films and the effect of co-sensitization in dye-sensitized solar cells |
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| Authors: | Jingchang Zhang Zhenhai Fu qian lv Xiuying Yang Weiliang Cao |
| Institution: | 1. Institute of Modern Catalysis, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China 2. Hainan Institute of Science and Technology, Haikou, 571126, China 3. Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008, China |
| Abstract: | Nanocrystalline N–Zn/TiO2 anode films were prepared by doping element N and Zn. These element-doped films have a better performance in dye-sensitized solar cell than the non-doped film. The test shows that the best thickness of N–Zn/TiO2 anode film is 13.5 μm. UV–Visible measurements show that there is a complementarity in ultraviolet–visible absorbance range between P3OT and N719, both are used as dyes in this study, the former is prepared and the latter is commercially available. SEM shows a significant mass increase of anode film after treated with TiCl4. Solar cells based on N–Zn/TiO2 anode film with TiCl4 treatment was firstly co-sensitized by N719/P3OT. A solar-to-electric energy conversion efficiency of 3.54 % was obtained. Compared with the traditional dye-sensitized solar cell, the photoelectric conversion efficiency, V oc and J sc have been increased. |
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