Transparent electrodes of ordered opened-end TiO2-nanotube arrays for highly efficient dye-sensitized solar cells
作者： Chin-Jung Lin , Wen-Yueh Yu , Shu-Hua Chien
DOI: 10.1039/B917886D
关键词:
摘要: We introduce a version of dye-sensitized solar cell (DSSC), in which the transparent electrode comprises an opened-end TiO2-nanotube (TiNT) film oriented perpendicular to fluorine-doped tin oxide (FTO) conductive glass. This is fabricated using facile process involving flaking anodic TiNT off Ti-metal substrate open its closed bottom and strongly adhering it onto FTO glass by nanocrystalline TiO2 (NP-TiO2) thin underlayer. Apart from enhanced light-harvesting electron-collecting efficiencies, use allows redox electrolyte (iodide, I− triiodide, I3−) easy access NP-TiO2 As compared closed-end TiNT-based DSSC, device exhibited increase one-sun efficiency 5.3% 9.1%, corresponding 70% enhancement.
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