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科学通报  2011 

TiO2薄膜的优化及其对染料敏化太阳能电池性能的影响

DOI: 10.1360/972010-1997, PP. 1354-1359

Keywords: 染料敏化太阳能电池,二氧化钛电极,薄膜厚度,四氯化钛处理,散射层

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Abstract:

介绍了染料敏化太阳能电池的制备过程,深入探讨了二氧化钛薄膜厚度、四氯化钛处理电极及添加大粒子散射层对电池效率的影响.研究结果表明,在一定范围内增加TiO2电极的厚度可以显著提高电池效率,但当电极过厚时,薄膜中的缺陷态增加,降低了电子的传输效率,导致光电流下降,电池效率降低;四氯化钛处理电极增强了基底导电面与薄膜界面以及二氧化钛粒子间的电接触,加快电子传输使光电流增强;引入散射层,提高了电池在长波段的光捕获效率,从而提高了电池的效率.

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