Using Benzodithiophene-based Polymer Donors and Triarylamine-based Non-fused Ring Electron Acceptors to Construct Simple Yet Efficient Organic Solar Cells

Xiao-lin Jiang; Hang Wang; Xue-qing Ma; Yi-fan Wang; Hao Lu; Ya-hui Liu; Zhi-shan Bo

doi:10.11777/j.issn1000-3304.2024.24116

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Using Benzodithiophene-based Polymer Donors and Triarylamine-based Non-fused Ring Electron Acceptors to Construct Simple Yet Efficient Organic Solar Cells

Research Article | 更新时间：2024-11-15

- Using Benzodithiophene-based Polymer Donors and Triarylamine-based Non-fused Ring Electron Acceptors to Construct Simple Yet Efficient Organic Solar Cells
- Acta Polymerica Sinica Vol. 55, Issue 10, Pages: 1280-1289(2024)
- 作者机构：
  
  1.青岛大学，材料科学与工程学院，能量转换与存储材料北京市重点实验室北京 100875
  2.(青岛大学，纺织服装学院青岛 266071) (，能量转换与存储材料北京市重点实验室北京 100875)
  3.青岛大学，北京师范大学化学学院，能量转换与存储材料北京市重点实验室北京 100875
- 作者简介：
  
  Hao Lu, E-mail: luhao@qdu.edu.cn
  Ya-hui Liu, E-mail: liuyh@qdu.edu.cn
  Zhi-shan Bo, E-mail: zsbo@bnu.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2024.24116
  CLC：
- Published：20 October 2024，
  
  Published Online：04 September 2024，
  
  Received：27 April 2024，
  
  Accepted：24 May 2024
- 稿件说明：
移动端阅览
蒋晓林, 汪航, 马雪晴, 王逸凡, 路皓, 刘亚辉, 薄志山. 利用苯并二噻吩基聚合物给体和三芳胺基非稠环电子受体构筑简单高效有机太阳能电池. 高分子学报, 2024, 55(10), 1280-1289

Jiang, X. L.; Wang, H.; Ma, X. Q.; Wang, Y. F.; Lu, H.; Liu, Y. H.; Bo, Z. S. Using benzodithiophene-based polymer donors and triarylamine-based non-fused ring electron acceptors to construct simple yet efficient organic solar cells. Acta Polymerica Sinica, 2024, 55(10), 1280-1289
蒋晓林, 汪航, 马雪晴, 王逸凡, 路皓, 刘亚辉, 薄志山. 利用苯并二噻吩基聚合物给体和三芳胺基非稠环电子受体构筑简单高效有机太阳能电池. 高分子学报, 2024, 55(10), 1280-1289 DOI： 10.11777/j.issn1000-3304.2024.24116.

Jiang, X. L.; Wang, H.; Ma, X. Q.; Wang, Y. F.; Lu, H.; Liu, Y. H.; Bo, Z. S. Using benzodithiophene-based polymer donors and triarylamine-based non-fused ring electron acceptors to construct simple yet efficient organic solar cells. Acta Polymerica Sinica, 2024, 55(10), 1280-1289 DOI： 10.11777/j.issn1000-3304.2024.24116.

摘要

使用简单的聚合物给体P(Cl)和简单非稠环受体2BTh-2F，构建了低成本的高性能有机太阳能电池. 并选用固体添加剂二碘苯(DIB)，对共混膜形貌进行精细调控.通过原子力显微镜、高分辨透射电镜以及原位紫外-可见光吸收光谱等手段，深入研究了活性层的成膜过程、共混膜相分离形貌等. 最终，基于P(Cl):2BTh-2F的器件获得0.861 V的开路电压(open circuit voltage，

)、23.18 mA/cm的短路电流密度(short-circuit current density，

)、71.21%的填充因子(fill factor，FF)以及14.21%的功率转换效率(power conversion efficiency

PCE).

Abstract

utilized a low-cost polymer donor P(Cl) with a simple non-fused ring acceptor 2BTh-2F as the active layer material for device preparation. Through careful selection and optimization of additives

the microstructure and interfacial interactions of the device were significantly enhanced

resulting in an excellent power conversion efficiency (PCE) of 14.21%. The device achieves an open-circuit voltage (

) as high as 0.861 V

a short-circuit current density (

) of 23.18 mA/cm²

and a fill factor (FF) of 71.21%

which exceed the performance of the control without additives (12.51%). It is noteworthy that this efficiency value is one of the highest achieved to date based on the pairing of a simple polymer donor material with a simple non-fused ring acceptor material. Our work not only demonstrates the great potential of low-cost materials in the preparation of high-performance devices

but also proves that dual low-cost

high-efficiency devices with polymer donors and small-molecule acceptors can be realized by finely tuning the morphology of the blended film and deeply studying the film-forming process. This work opens up a new path for the future development of low-cost and high-performance photovoltaic devices

which is of great scientific significance and practical application value.

关键词

有机太阳能电池简单给体非稠环受体光电转化效率

Keywords

Organic solar cellSimple donorNon-fused ring acceptorPhotovoltaic conversion efficiency

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