聚合小分子受体在提高全聚合物太阳能电池性能方面的进展

Wissem Khelifi, C. Luscombe
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摘要

这篇微型综述讨论了用于全聚合物太阳能电池(all-PSCs)的聚合小分子受体(PSMAs)的开发进展。这些 PSMA 结合了小分子受体(SMA)和聚合物的优点。人们利用不同的构建模块合成了这些受体,包括茚并二噻吩和茚并二噻吩。它们表现出许多优点,如在近红外区域的强吸收性、高电子迁移率和适当的能级,使它们成为 PSAM 的理想候选材料。全多晶硅效率的提高可归因于几个因素,包括更强的吸收、混合形态的改善以及薄膜中成分的重新分布。此外,新材料已作为第三组分加入到三元有机光伏器件中,其中一些材料的功率转换效率高达 17.0%。通过开发具有不同结构单元的新型受体,提高了全多晶硅的稳定性和可重复性,为实现高性能和稳定的设备铺平了道路。总之,这些研发成果展示了该领域进一步发展的巨大潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Advances in polymerized small-molecule acceptors for improved performance in all-polymer solar cells
This mini-review discusses the progress made in the development of polymerized small-molecule acceptors (PSMAs) for use in all-polymer solar cells (all-PSCs). These PSMAs combine the advantages of both small-molecule acceptors (SMAs) and polymers. Various studies have been conducted using different building blocks to synthesize these acceptors, including indacenodithiophene and indacenodithienothiophene. They exhibit many advantages such as strong absorption in the near infrared region, high electron mobility, and appropriate energy levels, making them good candidate for PSAMs. The improved efficiency of all-PSCs is attributed to several factors, including stronger absorption, improved blend morphology, and redistribution of composition in the film. Additionally, new materials have been incorporated as third components in ternary organic photovoltaics, with some achieving high power conversion efficiencies of up to 17.0%. The development of new acceptors with different building blocks has resulted in improved stability and reproducibility in all-PSCs, paving the way toward high-performance and stable devices. Overall, these developments demonstrate significant potential for further advancements in the field.
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