Simplified p-i-n Perovskite Solar Cells with a Multifunctional Polyfullerene Electron Transporter

Fei-Fei Wang; Tian-Xiao Liu; Ze-Wei Cui; Ling-Yuan Wang; Yun-Jie Dou; Xiao-Yu Shi; Si-Wei Luo; Xiao-Dong Hu; Zhi-Jun Ren; Yang-Yang Liu; Yu Zhao; Shang-Shang Chen

doi:10.1007/s10118-024-3156-y

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Simplified p-i-n Perovskite Solar Cells with a Multifunctional Polyfullerene Electron Transporter

RESEARCH ARTICLE | Updated：2024-08-06

- Simplified p-i-n Perovskite Solar Cells with a Multifunctional Polyfullerene Electron Transporter
- Chinese Journal of Polymer Science Vol. 42, Issue 8, Pages: 1060-1066(2024)
- Affiliations：
  
  State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 21003, China
- Author bio：
  
  schen@nju.edu.cn
- Funds：
- DOI：10.1007/s10118-024-3156-y
  CLC：
- Published：01 August 2024，
  
  Published Online：26 June 2024，
  
  Received：12 March 2024，
  
  Revised：24 April 2024，
  
  Accepted：04 May 2024
- Accepted：
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Wang, F. F.; Liu, T. X.; Cui, Z. W.; Wang, L. Y.; Dou, Y. J.; Shi, X. Y.; Luo, S. W.; Hu, X. D.; Ren, Z. J.; Liu, Y. Y.; Zhao, Y.; Chen, S. S. Simplified p-i-n perovskite solar cells with a multifunctional polyfullerene electron transporter. Chinese J. Polym. Sci. 2024, 42, 1060–1066

Fei-Fei Wang, Tian-Xiao Liu, Ze-Wei Cui, et al. Simplified p-i-n Perovskite Solar Cells with a Multifunctional Polyfullerene Electron Transporter. [J]. Chinese Journal of Polymer Science 42(8):1060-1066(2024)
Wang, F. F.; Liu, T. X.; Cui, Z. W.; Wang, L. Y.; Dou, Y. J.; Shi, X. Y.; Luo, S. W.; Hu, X. D.; Ren, Z. J.; Liu, Y. Y.; Zhao, Y.; Chen, S. S. Simplified p-i-n perovskite solar cells with a multifunctional polyfullerene electron transporter. Chinese J. Polym. Sci. 2024, 42, 1060–1066 DOI： 10.1007/s10118-024-3156-y.

Fei-Fei Wang, Tian-Xiao Liu, Ze-Wei Cui, et al. Simplified p-i-n Perovskite Solar Cells with a Multifunctional Polyfullerene Electron Transporter. [J]. Chinese Journal of Polymer Science 42(8):1060-1066(2024) DOI： 10.1007/s10118-024-3156-y.

摘要

We develop a novel polyfullerene electron transporter called PFBCP

which achieves both efficient electron transport and hole blocking in a single layer. Our blade-coated perovskite solar cells utilizing PFBCP achieve a high power conversion efficiency exceeding 22% and retain 91% of initial efficiency after 1

200 hours of light soaking.

Abstract

In prevailing p-i-n perovskite solar cells (PSCs)

solution-processible fullerene molecules are widely used as electron-transporting layers (ETLs) but they typically suffer from poor uniformity and undesirable stability issues. Additionally

a separate bathocuproine (BCP) layer is needed to block hole transfer

increasing fabrication complexity and cost. Here

we address these limitations by developing a novel p

olymeric ETL (named PFBCP) synthesized by polymerizing C

with BCP. This innovative material achieves both efficient electron transport and hole blocking

while its excellent uniformity minimizes interface recombination and enhances stability. Consequently

our blade-coated PSCs utilizing PFBCP achieve a high power conversion efficiency exceeding 22% and retain 91% of initial efficiency after 1200 h of light exposure. This development not only paves the way for commercially viable PSCs but also opens avenues for future ETL design to realize even more efficient and stable PSCs.

关键词

Keywords

PolyfullerenePerovskite solar cellsElectron transporterStability

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