Efficient light-trapping in inverted polymer solar cells based on textured FTO transparent electrodes

Efficient light-trapping in inverted polymer solar cells based on textured FTO transparent electrodes
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基于纹理化 FTO 透明电极的倒置聚合物太阳能电池的高效光捕获

DOI:
10.1016/j.matlet.2014.05.064
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发表时间:
2014-09
期刊:
影响因子:
3
通讯作者:
Zhao Ying
Zhao Ying
中科院分区:
材料科学3区
文献类型:
--
作者:
Yu Xiaoming;Yu Xuan;Zhang Jianjun;Zhao Ying

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研究了织构掺氟氧化锡(FTO)作为倒置聚合物太阳电池透明电极的效果。织构的FTO和粗糙的表面形态转变为AZO改性层、有源层和反射背电极,导致了有效的光散射。由于光散射增强了器件在可见光区域(400-650 nm)的光吸收,织构FTO器件的短路电流密度比基于ITO衬底的参考电池的短电流密度从9.97 mA/cm2增加到11.62 mA/cm2。功率转换效率从2.47%提高到2.91%,填充系数和开路电压没有损失。
The effects of textured fluorine doped tin oxide (FTO) as transparent electrodes for inverted polymer solar cells have been investigated. Textured FTO, together with rough surface morphology transferred to AZO modified layer, active layer and a reflective back electrode induced efficient light scattering. Due to the enhanced light absorption at visible light region (400–650 nm) by light-scattering, the short current density of the textured-FTO device increased from 9.97 mA/cm2to 11.62 mA/cm2over the reference cell based on the ITO substrate. Power conversion efficiency increased from 2.47% to 2.91% without loss in the fill factor and open circuit voltage.
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