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18.1 Ternary All-Polymer Solar Cells Sequentially Processed from Hydrocarbon Solvent with Enhanced Stability

机译：18.1 Ternary All-Polymer Solar Cells Sequentially Processed from Hydrocarbon Solvent with Enhanced Stability

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摘要

All-polymer solar cells (all-PSCs) have promising potential for industrialproduction due to their superior stability. Recently, the widespread applicationof the polymerized small molecule acceptor (PSMA) has led to a surge in theefficiency of all-PSCs. However, the high efficiencies of these devices generallyrely on the use of the highly volatile solvent, chloroform (CF). Furthermore,the molecular weights of PSMA are lower than polymer donors, yet theircrystallinity is weaker than typical small molecules, making most PSMA-basedall-PSCs suffer from low electron mobility. To improve device performance andfacilitate large scale production of all-PSCs, it is necessary to enhance electronmobility and avoid the use of CF. This paper investigates the use of sequentialprocessing (SqP) for active layer preparation using toluene as the solvent toaddress these issues. This work reports 18.1 efficient all-PSC devices, whichis the highest efficiency of all-PSCs prepared using non-halogen solvents. Thiswork systematically compares the conventional blend-casting method withthe SqP method using PM6 as the donor and PY-V- and PJ1- as theacceptors, and compares the performance of binary and ternary blends inboth methods. Finally, this work measures the device stability and finds thatSqP can significantly improve the photostability of the device.

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  • 来源
    《Advanced energy materials》 |2023年第31期|2300904.1-2300904.13|共13页
  • 作者

    Chaoyue Zhao; Ruijie Ma; Yiwen HouLiangxiang ZhuXinhui ZouWenzhao XiongHuawei HuLihong WangHan YuYajie WangGuoping ZhangJicheng YiLu ChenDan WuTao YangGang LiMingxia QiuHe YanShunpu LiGuangye Zhang;

  • 作者单位

    College of New Materials and New EnergiesShenzhen Technology UniversityShenzhen 518118, China,Department of ChemistryDepartment ofChemistry andHong KongBranch of ChineseNational Engineering ResearchCenter for TissueRestoration and ReconstructionTheHong Ko;

    Department of Electronic and Information EngineeringResearch Institute for Smart Energy (RISE)Guangdong-Hong Kong-Macao (GHM) Joint Laboratory forPhotonic-Thermal-Electrical Energy Materials and DevicesThe Hong Kong Polytechnic UniversityHung Hom, Kowloon;

    Julong CollegeShenzhen Technology UniversityShenzhen 518118, ChinaCollege of New Materials and New EnergiesShenzhen Technology UniversityShenzhen 518118, ChinaDepartment of PhysicsHong Kong University of Science and Technology (HKUST)Clear Water Bay, Kowloon, Hong Kong 999077, ChinaState Key Laboratory for Modification of Chemical Fibers and PolymerMaterialsCenter for Advanced Low-dimension MaterialsCollege of Materials Science and EngineeringDonghua UniversityShanghai 201620, ChinaDepartment of ChemistryDepartment ofChemistry andHong KongBranch of ChineseNational Engineering ResearchCenter for TissueRestoration and ReconstructionTheHong Kong University of Science and TechnologyClearWater Bay, Kowloon,Hong Kong 999077, ChinaCollege of New Materials and New EnergiesShenzhen Technology UniversityShenzhen 518118, China,Department of Chemistry Department of Chemistry andHong KongBranch of ChineseNational Engineering ResearchCenter for TissueRestoration and ReconstructionTheHong;

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  • 正文语种 英语
  • 中图分类
  • 关键词

    all-polymer solar cells; sequential processing; polymerized smallmolecule acceptors; fill factor;

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