Ultralong Rutile TiO2 Nanowire Arrays for Highly Efficient Dye-Sensitized Solar Cells
2016
Li, Hailiang | Yu, Qingjiang | Huang, Yuewu | Yu, Cuiling | Li, Renzhi | Wang, Jinzhong | Guo, Fengyun | Jiao, Shujie | Gao, Shiyong | Zhang, Yong | Zhang, Xitian | Wang, Peng | Zhao, Liancheng
Vertically aligned rutile TiO₂ nanowire arrays (NWAs) with lengths of ∼44 μm have been successfully synthesized on transparent, conductive fluorine-doped tin oxide (FTO) glass by a facile one-step solvothermal method. The length and wire-to-wire distance of NWAs can be controlled by adjusting the ethanol content in the reaction solution. By employing optimized rutile TiO₂ NWAs for dye-sensitized solar cells (DSCs), a remarkable power conversion efficiency (PCE) of 8.9% is achieved. Moreover, in combination with a light-scattering layer, the performance of a rutile TiO₂ NWAs based DSC can be further enhanced, reaching an impressive PCE of 9.6%, which is the highest efficiency for rutile TiO₂ NWA based DSCs so far.
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Эту запись предоставил National Agricultural Library