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Real-time monitoring polymerization degree of organic photovoltaic materials toward no batch-to-batch variations in device performance

Author

Listed:
  • Lin-Yong Xu

    (Wuhan University)

  • Wei Wang

    (Wuhan University)

  • Xinrong Yang

    (Wuhan University)

  • Shanshan Wang

    (Wuhan University)

  • Yiming Shao

    (Wuhan University)

  • Mingxia Chen

    (Wuhan University)

  • Rui Sun

    (Wuhan University)

  • Jie Min

    (Wuhan University)

Abstract

Polymerization degree plays a vital role in material properties. Previous methodologies of molecular weight control generally cannot suppress or alleviate batch-to-batch variations in device performance, especially in polymer solar cells. Herein, we develop an in-situ photoluminescence system in tandem with a set of analysis and processing procedures to track and estimate the polymerization degree of organic photovoltaic materials. To support the development of this protocol, we introduce polymer acceptor PYT constructed by near-infrared Y-series small molecule acceptors via Stille polymerization, and shed light on the correlations between molecular weight, spectral parameters, and device efficiencies that enable the design of the optical setup and confirm its feasibility. The universality is verified in PYT derivatives with stereoregularity and fluoro-substitution as well as benzo[1,2-b:4,5-b’]dithiophene-based polymers. Overall, our result provides a tool to tailor suitable conjugated oligomers applied to polymer solar cells and other organic electronics for industrial scalability and desired cost reduction.

Suggested Citation

  • Lin-Yong Xu & Wei Wang & Xinrong Yang & Shanshan Wang & Yiming Shao & Mingxia Chen & Rui Sun & Jie Min, 2024. "Real-time monitoring polymerization degree of organic photovoltaic materials toward no batch-to-batch variations in device performance," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45510-w
    DOI: 10.1038/s41467-024-45510-w
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    References listed on IDEAS

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    1. Jin Young Oh & Simon Rondeau-Gagné & Yu-Cheng Chiu & Alex Chortos & Franziska Lissel & Ging-Ji Nathan Wang & Bob C. Schroeder & Tadanori Kurosawa & Jeffrey Lopez & Toru Katsumata & Jie Xu & Chenxin Zh, 2016. "Intrinsically stretchable and healable semiconducting polymer for organic transistors," Nature, Nature, vol. 539(7629), pages 411-415, November.
    2. Dylan J. Walsh & Devin A. Schinski & Robert A. Schneider & Damien Guironnet, 2020. "General route to design polymer molecular weight distributions through flow chemistry," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    3. Sang Myeon Lee & Kwang Hyun Park & Seungon Jung & Hyesung Park & Changduk Yang, 2018. "Stepwise heating in Stille polycondensation toward no batch-to-batch variations in polymer solar cell performance," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    Full references (including those not matched with items on IDEAS)

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