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首页> 外文期刊>ACS applied materials & interfaces >Self-Assembled Amphiphilic Block Copolymers/CdTe Nanocrystals for Efficient Aqueous-Processed Hybrid Solar Cells
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Self-Assembled Amphiphilic Block Copolymers/CdTe Nanocrystals for Efficient Aqueous-Processed Hybrid Solar Cells

机译：用于高效水性加工杂交太阳能电池的自组装两亲嵌段共聚物/ CdTe纳米晶

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摘要

Due to their low cost and high efficiency, polymer/nanocrystal hybrid solar cells (HSCs) have attracted much attention in recent years. In this work, water-soluble hybrid materials consisting of amphiphilic block copolymers (ABCPs) and cadmium telluride nanocrystals (CdTe NCs) were used as the active layer to fabricate the HSCs via aqueous processing. The ABCPs composed of poly(3-hexylthiophene) (P3HT) and poly(acrylic acid) (PAA) self-assembled into ordered nanostructured micelles which then transformed to nanowires by comicellization with P3HT additives. Furthermore, after annealing, the hybrid materials formed an interpenetrating network which resulted in a maximum power conversion efficiency of 4.8% in the HSCs. The properties of the hybrid materials and the film morphology were studied and correlated to the device performance. The results illustrate how the inclusion of ABCPs for directed assembly and homo-P3HT for charge transport and light absorption improves device performance. The aqueous-processed HSCs based on the ABCPs and NCs offer an effective method for the fabrication of efficient solar cells.
机译：由于它们的低成本和高效率，近年来聚合物/纳米晶混合杂交太阳能电池（HSC）引起了很多关注。在这项工作中，使用由两亲嵌段共聚物（ABCP）和碲化镉纳米晶体（CdTe NC）组成的水溶性混合材料用作通过水性加工制造HSCs的活性层。由聚（3-己基噻吩）（P3HT）和聚（丙烯酸）（PAA）组成的ABCP分成有序的纳米结构胶束，然后通过用P3HT添加剂的COMICELLIZ化转化为纳米线。此外，在退火之后，混合材料形成了一个互穿网络，其在HSC中导致最大功率转换效率为4.8％。研究了混合材料的性质和薄膜形态与器件性能。结果说明了如何将ABCP纳入用于电荷传输和光吸收的定向组件和Homo-P3HT改善了器件性能。基于ABCP和NCS的水性加工HSC提供有效的制造有效的太阳能电池的方法。

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