Performance improvement of inverted polymer solar cells by doping Au nanoparticles into TiO2 cathode buffer layer

Performance improvement of inverted polymer solar cells by doping Au nanoparticles into TiO2 cathode buffer layer
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TiO2阴极缓冲层掺杂Au纳米颗粒改善倒置聚合物太阳能电池性能

DOI:
10.1063/1.4840319
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发表时间:
2013-12
影响因子:
4
通讯作者:
Ruan, Shengping
Ruan, Shengping
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Liu, Chunyu;He, Yeyuan;Guo, Wenbin;Ruan, Shengping

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采用一种简便的方法合成了金纳米粒子(Au NPs)。然后将不同尺寸和重量比的Au NPs混合到聚合物太阳能电池(PSC)的TiO 2阴极缓冲层中,并以聚(3-己基噻吩)(P3 HT)和[6,6]-苯基-C61-丁酸甲酯(PCBM)的混合物作为活性层。通过将Au NPs并入本体异质结(BHJ)聚合物太阳能电池中来增强器件的光吸收,所述本体异质结(BHJ)聚合物太阳能电池支持局域表面等离子体共振(LSPR)。结果表明,在保持开路电压(VOC)和填充因子(FF)不变的情况下,Au NPs掺杂到缓冲层中,短路电流密度(JSC)明显提高,从而提高了功率转换效率。
Gold nanoparticles (Au NPs) were synthesized by a facile method. Then Au NPs with different sizes and weight ratios were blended into the TiO2 cathode buffer layer of the polymer solar cells (PSCs) with a blend of poly (3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) as the active layer. The light absorption of the devices was enhanced by incorporating Au NPs into the Bulk heterojunction (BHJ) polymer solar cells, which support localized surface plasmon resonance (LSPR). The results showed that the short-circuit current density (JSC) was apparently enhanced by doping Au NPs into the buffer layer while maintaining the open-circuit voltage (VOC) and fill factor(FF), leading to an increase in power conversion efficiency.
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