Improving power conversion efficiency of polymer solar cells by doping copper phthalocyanine

Improving power conversion efficiency of polymer solar cells by doping copper phthalocyanine
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通过掺杂铜酞菁提高聚合物太阳能电池的功率转换效率

DOI:
10.1016/j.electacta.2015.08.090
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发表时间:
2015-10
影响因子:
6.6
通讯作者:
Shengwei Shi
Shengwei Shi
中科院分区:
材料科学2区
文献类型:
--
作者:
Huangzhong Yu;Yuncheng Ge;Shengwei Shi

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为了提高聚合物太阳电池的效率,在聚(3-己基噻吩基)(P3HT)和苯基-C61-丁酸甲酯(PCBM)二元共混物中加入第三组分铜酞菁(CuPc),制备了正反三元共混太阳电池。结果表明,CuPc的引入不仅拓宽了P3HT:PCBM二元共混物的吸收范围,而且改善了其电荷分离和输运性质。结果表明,三元混合太阳电池具有较高的短路电流和填充因子,特别是三元混合太阳电池的功率转换效率(PCE)比二元混合太阳电池提高了19%。
To improve the efficiency of polymer solar cells, a third component copper phthalocyanine (CuPc) was added into poly(3-hexylthiophene) (P3HT) and phenyl-C61-butyric acid methyl ester (PCBM) binary blends, the normal and inverted ternary blend solar cells were fabricated. The results showed that the incorporation of the CuPc into P3HT:PCBM binary blends not only broadened the absorption range of solar spectrum but also improved the charge separation and transport properties. As a result, a higher short circuit current and fill factor were obtained for ternary blend devices, especially, the power conversion efficiencies (PCEs) of the ternary blend solar cells increased 19% compared with the PCEs of binary blend solar cells.
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