Efficiency improvement of blended poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6)C61 solar cells by nanoimprinting
Efficiency improvement of blended poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6)C61 solar cells by nanoimprinting
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DOI：
10.1063/1.3117226
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发表时间：
2009-04
影响因子：
4
通讯作者：
C. Shih;K. Hung;Jhao-Ying Wu;C. Hsiao;W. M. Li
中科院分区：
文献类型：
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作者：
C. Shih;K. Hung;Jhao-Ying Wu;C. Hsiao;W. M. Li
本工作展示了纳米压印对室温下聚（3-己基噻吩）和1-（3-甲氧羰基）-丙基-1-苯基-（6，6）C61（P3 HT：PCBM）共混有机太阳能电池的影响。纹理化Si晶片用作印模。纳米压印显著增加了开路电压、短路电流和填充因子，使功率转换效率提高了1.50%。填充因子对电池效率的贡献最大。纳米压印后，不仅表面结构，而且施加的压力有助于设备的性能。还研究了流体静压引起的效率提高的起源。所提出的方法具有潜在的应用在未来，以提高各种有机太阳能电池的效率。
This work demonstrates the effects of nanoimprinting on poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6)C61 (P3HT:PCBM)-blended organic solar cells at room temperature. Textured Si wafer was used as a stamp. Nanoimprinting significantly increased the open-circuit voltage, the short-circuit current, and the fill factor, increasing the power conversion efficiency by ∼50%. The fill factor contributed most to the cell efficiency. Upon nanoimprinting, not only the surface structure but also the applied pressure contributed to the performance of the device. The origin of the hydrostatic pressure-induced efficiency improvement was also investigated. The proposed approach has potential to be applied in the future to improve the efficiency of various organic solar cells.