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Thorough Optimization for Intrinsically Stretchable Organic Photovoltaics

Xiang‐Jun ZhengState Key Laboratory of Silicon and Advanced Semiconductor Materials, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027 P. R. ChinaXiaoling WuState Key Laboratory of Silicon and Advanced Semiconductor Materials International Research Center for X Polymers Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 P. R. ChinaQiang WuState Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 P. R. ChinaYunfei HanPrintable Electronics Research Center, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou, 215123 P. R. ChinaGuanyu DingState Key Laboratory of Silicon and Advanced Semiconductor Materials, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027 P. R. ChinaYiming WangState Key Laboratory of Silicon and Advanced Semiconductor Materials, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027 P. R. ChinaYibo KongState Key Laboratory of Silicon and Advanced Semiconductor Materials, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027 P. R. ChinaTianyi ChenState Key Laboratory of Silicon and Advanced Semiconductor Materials, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027 P. R. ChinaMengting WangState Key Laboratory of Silicon and Advanced Semiconductor Materials International Research Center for X Polymers Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 P. R. ChinaYiqing ZhangState Key Laboratory of Silicon and Advanced Semiconductor Materials International Research Center for X Polymers Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 P. R. ChinaJingwei XueState Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 P. R. ChinaWeifei FuZhejiang University‐Hangzhou Global Scientific and Technological Innovation Center Hangzhou 310014 P. R. ChinaQun LuoPrintable Electronics Research Center, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou, 215123 P. R. ChinaChang‐Qi MaPrintable Electronics Research Center Suzhou Institute of Nano‐Tech and Nano‐Bionics Chinese Academy of Sciences (CAS) Suzhou 215123 P. R. ChinaWei MaState Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 P. R. ChinaLijian ZuoZhejiang University‐Hangzhou Global Scientific and Technological Innovation Center Hangzhou 310014 P. R. ChinaMinmin ShiState Key Laboratory of Silicon and Advanced Semiconductor Materials, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027 P. R. ChinaHongzheng ChenState Key Laboratory of Silicon and Advanced Semiconductor Materials International Research Center for X Polymers Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 P. R. China

2023en

Ochiq kirish: yoʻq

ABI

Annotatsiya

The development of intrinsically stretchable organic photovoltaics (is-OPVs) with a high efficiency is of significance for practical application. However, their efficiencies lag far behind those of rigid or even flexible counterparts. To address this issue, an advanced top-illuminated OPV is designed and fabricated, which is intrinsically stretchable and has a high performance, through systematic optimizations from material to device. First, the stretchability of the active layer is largely increased by adding a low-elastic-modulus elastomer of styrene-ethylene-propylene-styrene tri-block copolymer (SEPS). Second, the stretchability and conductivity of the opaque electrode are enhanced by a conductive polymer/metal (denoted as M-PH1000@Ag) composite electrode strategy. Third, the optical and electrical properties of a sliver nanowire transparent electrode are improved by a solvent vapor annealing strategy. High-performance is-OPVs are successfully fabricated with a top-illuminated structure, which provides a record-high efficiency of 16.23%. Additionally, by incorporating 5-10% elastomer, a balance between the efficiency and stretchability of the is-OPVs is achieved. This study provides valuable insights into material and device optimizations for high-efficiency is-OPVs, with a low-cost production and excellent stretchability, which indicates a high potential for future applications of OPVs.

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Identifikatorlar

DOI: 10.1002/adma.202307280

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