Water-soluble anionic polymer electrolytes based on polyfluorene as the universal interlayer for organic solar cells

IF 2.8 4区工程技术 Q2 POLYMER SCIENCE

Macromolecular Research Pub Date : 2024-10-24 DOI:10.1007/s13233-024-00329-8

Rahmatia Fitri Binti Nasrun, Dong Hwan Son, Joo Hyun Kim

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引用次数: 0

Abstract

Conjugated polymers derived from polyfluorene and featuring sulfonate groups in their side chains were synthesized for interlayer in both fullerene and non-fullerene organic solar cells (OSCs). These polymers, specifically denoted as PFS-T-x (x = H, Li), establish an advantageous interfacial dipole through the ionic functionality located at the side chains. Remarkably, the key parameters of organic solar cells, such as \({J}_{sc}\) and \(FF,\) exhibit improvements as the size of the cation increases. The highest power conversion efficiency (PCE) was achieved using PFS-T-Li as interlayer, reaching up to 9.11% and 16.3% for the device based on fullerene and non-fullerene, respectively. This study can provide a deeper understanding and potential enhancements in the performance of OSCs utilizing polymers as universal interlayers.

Graphic abstract

This study explored the impact of different countercations in conjugated polymers used as an interlayer in organic solar cells. It was discovered that the conjugated polyelectrolyte containing lithium countercations produced the highest power conversion efficiency, ascribed to the creation of an advantageous interfacial dipole.

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基于聚芴的水溶性阴离子聚合物电解质作为有机太阳能电池的通用中间层

在富勒烯和非富勒烯有机太阳能电池（OSCs）的中间层中，合成了由聚芴衍生并在其侧链上具有磺酸基的共轭聚合物。这些聚合物，具体表示为PFS-T-x (x = H, Li)，通过位于侧链上的离子官能团建立了有利的界面偶极子。值得注意的是，有机太阳能电池的关键参数，如\({J}_{sc}\)和\(FF,\)，随着阳离子尺寸的增加而有所改善。采用PFS-T-Li作为中间层实现了最高的功率转换效率（PCE），最高可达9.11% and 16.3% for the device based on fullerene and non-fullerene, respectively. This study can provide a deeper understanding and potential enhancements in the performance of OSCs utilizing polymers as universal interlayers.Graphic abstractThis study explored the impact of different countercations in conjugated polymers used as an interlayer in organic solar cells. It was discovered that the conjugated polyelectrolyte containing lithium countercations produced the highest power conversion efficiency, ascribed to the creation of an advantageous interfacial dipole.

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来源期刊

Macromolecular Research 工程技术-高分子科学

CiteScore

4.70

自引率

8.30%

发文量

100

审稿时长

1.3 months

期刊介绍： Original research on all aspects of polymer science, engineering and technology, including nanotechnology Presents original research articles on all aspects of polymer science, engineering and technology Coverage extends to such topics as nanotechnology, biotechnology and information technology The English-language journal of the Polymer Society of Korea Macromolecular Research is a scientific journal published monthly by the Polymer Society of Korea. Macromolecular Research publishes original researches on all aspects of polymer science, engineering, and technology as well as new emerging technologies using polymeric materials including nanotechnology, biotechnology, and information technology in forms of Articles, Communications, Notes, Reviews, and Feature articles.