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首页> 外文期刊>Journal of Materials Engineering and Performance >Improving Electron Transfer from Dye to TiO2 by Using CdTe Nanostructure Layers in Dye-Sensitized Solar Cells
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Improving Electron Transfer from Dye to TiO2 by Using CdTe Nanostructure Layers in Dye-Sensitized Solar Cells

机译：通过使用染料敏化太阳能电池中的CdTe纳米结构层改善从染料到TiO2的电子转移

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摘要

In this work, TiO2 P25 was deposited successfully on the FTO glass by electrophoresis method. Different chemical methods were served for deposition of nanosized CdTe such as successive ion layer adsorption and reaction (SILAR) and drop-cast. Dye-sensitized solar cells were fabricated from prepared electrodes, Pt as a counter electrode, dye solution, and electrolyte. The effects of chemical deposition methods were investigated on the surface quality, optical properties, and solar cell efficiency. It was observed that deposition method has an important role on the solar cell performance. It was also seen that deposition method affects directly on surface thickness and the amount of dye adsorption. In fact, each deposition method creates different surfaces, and hence, they act variously in electron transfer across the electrode surface. Among different deposition methods that were used in this experimental work, SILAR method showed the best performance and the surface that was created by this method could transfer the electrons across the electrode faster than the other ones. But this chemical method cannot improve solar cell efficiency due to some different reasons that we mentioned in this paper.
机译：在这项工作中，通过电泳方法成功地将TiO2 P25沉积在FTO玻璃上。纳米CdTe的沉积采用了不同的化学方法，例如连续的离子层吸附和反应（SILAR）以及滴铸法。染料敏化太阳能电池是由准备好的电极，作为对电极的Pt，染料溶液和电解质制成的。研究了化学沉积方法对表面质量，光学性能和太阳能电池效率的影响。观察到沉积方法对太阳能电池性能具有重要作用。还发现沉积方法直接影响表面厚度和染料吸附量。实际上，每种沉积方法都会产生不同的表面，因此，它们在跨电极表面的电子转移中起着不同的作用。在本实验工作中使用的不同沉积方法中，SILAR方法显示出最佳性能，并且该方法创建的表面可以比其他方法更快地将电子转移到整个电极上。但是由于我们在本文中提到的一些不同原因，这种化学方法无法提高太阳能电池的效率。

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