High efficiency organic-silicon heterojunction solar cells with high work function PEDOT:F-based hole-selective contacts

IF 10.7 2区材料科学 Q1 CHEMISTRY, PHYSICAL Journal of Materials Chemistry A Pub Date : 2025-02-07 DOI:10.1039/d4ta08449g

Xin-Bo Yang, Xinliang Lou, Qunyu Bi, Yifan Diao, Zhao Wu, Kun Gao, Xinyu Wang, Dacheng Xu, Jing Wang, Hong Lin, Junjie Xie, Kun Li, Wenhao Li, Shibo Wang, Wei Shi, Fengxian Cao, Chunfang Xing, Wenhao Li, Xiaofeng Wu, Tengyue Hu, ruxin Guo, Weiyu Shen, Niuwa Yang, Hao Tian, Chuanxiao Xiao, Guifang Xu, Xiaohong Zhang

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引用次数: 0

Abstract

Efficient and stable organic-silicon heterojunction solar cells are highly desirable. In this work, solution-processed poly(3,4-ethylenedioxythiophene): perfluorinated sulfonic acid (PEDOT:F) is investigated as hole-selective contact for crystalline silicon (c-Si) solar cells. The optoelectronic properties, surface passivation and contact resistivity of PEDOT:F-based contacts on c-Si are investigated and optimized. The performance of PEDOT:F-based hole-selective contact is verified on p-type c-Si solar cells. A record efficiency of 21.6% is achieved for organic-silicon heterojunction solar cell, featuring a full-area Al2O3/PEDOT:F rear contact for hole collection. The device displays excellent environmental stability, retaining 85% of its initial efficiency after exposure in the air for 120 days.

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来源期刊

Journal of Materials Chemistry A CHEMISTRY, PHYSICAL-ENERGY & FUELS

CiteScore

19.50

自引率

5.00%

发文量

1892

审稿时长

1.5 months

期刊介绍： The Journal of Materials Chemistry A, B & C covers a wide range of high-quality studies in the field of materials chemistry, with each section focusing on specific applications of the materials studied. Journal of Materials Chemistry A emphasizes applications in energy and sustainability, including topics such as artificial photosynthesis, batteries, and fuel cells. Journal of Materials Chemistry B focuses on applications in biology and medicine, while Journal of Materials Chemistry C covers applications in optical, magnetic, and electronic devices. Example topic areas within the scope of Journal of Materials Chemistry A include catalysis, green/sustainable materials, sensors, and water treatment, among others.