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首页> 外文期刊>Japanese journal of applied physics >Influence of TiCl_4 Treatment on Structure and Performance of Dye-Sensitized Solar Cells
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Influence of TiCl_4 Treatment on Structure and Performance of Dye-Sensitized Solar Cells

机译：TiCl_4处理对染料敏化太阳能电池结构和性能的影响

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摘要

Titanium dioxide (TiO_2) electrodes are vital components for the fabrication of dye-sensitized solar cells (DSSC). Titanium tetrachloride (TiCl_4) treatment is usually adopted as a pre- or post-treatment for the improvement of TiO_2 electrodes in DSSCs. Previous reports associated these treatments with the improvement of bonding strength between the fluorinated tin oxide (FTO) substrate and the porous TiO_2 layer, blocking the charge recombination at the interface between the FTO and electrolyte, but pre- and post-treatment effects were not studied simultaneously. In this study, three types of TiO_2 electrode, untreated, post-treated, and pre- and post-treated, were fabricated. After the TiCl_4 treatment of TiO_2 electrodes, they were immersed in a dye solution and cells were assembled. Cell performance was measured using a solar light simulator at an intensity of 1000 W-m~(-2). The best result was achieved by the pre- and post-treated TiO_2 electrode. The performance of the cell was improved by increasing the thickness of electrodes and this would raise the overall conversion efficiency up to 7.5%.
机译：二氧化钛（TiO_2）电极是制造染料敏化太阳能电池（DSSC）的重要组件。通常采用四氯化钛（TiCl_4）处理作为改进DSSC中TiO_2电极的预处理。以前的报道将这些处理与氟化氧化锡（FTO）基材和多孔TiO_2层之间的键合强度的改善，阻止FTO与电解质之间的界面处的电荷复合有关，但尚未研究预处理和后处理的效果。同时。在这项研究中，制造了三种类型的TiO_2电极，分别为未处理，后处理以及预处理和后处理。用TiO_2电极进行TiCl_4处理后，将其浸入染料溶液中并组装电池。使用太阳光模拟器以1000 W-m〜（-2）的强度测量电池性能。通过预处理和后处理的TiO_2电极可获得最佳结果。通过增加电极的厚度可以改善电池的性能，这将使总转换效率提高到7.5％。

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