Highly efficient fibrous dye-sensitized solar cells based on TiO2 nanotube arrays |
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Authors: | Huang Shuqing Guo Xiaozhi Huang Xiaoming Zhang Quanxin Sun Huicheng Li Dongmei Luo Yanhong Meng Qingbo |
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Affiliation: | Renewable Energy Laboratory, Institute of Physics, Chinese Academy of Sciences, Beijing, People's Republic of China. |
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Abstract: | The structure of fibrous dye-sensitized solar cells, which were constructed by a TiO(2) nanotube array on Ti wire as the photoanode twisted by a Pt wire counter electrode, has been first systematically investigated by accurately controlling the thread pitch distance of screwed Pt wire. It has been revealed that the thread pitch will strongly influence the photovoltaic performance and kinetic processes in fibrous solar cells. The effect of the length of the TiO(2) nanotube on cell performance has also been discussed. After optimization, a relatively universal optimized thread pitch value of 1 mm for fibrous DSCs has been proved and the light-to-electricity conversion efficiency has been remarkably improved to 5.84%. |
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