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Rotator side chains trigger cooperative transition for shape and function memory effect in organic semiconductors

Author

Listed:
  • Hyunjoong Chung

    (University of Illinois at Urbana−Champaign)

  • Dmytro Dudenko

    (University of Mons)

  • Fengjiao Zhang

    (University of Illinois at Urbana−Champaign)

  • Gabriele D’Avino

    (CNRS and Grenoble Alpes University)

  • Christian Ruzié

    (Université Libre de Bruxelles (ULB))

  • Audrey Richard

    (Université Libre de Bruxelles (ULB))

  • Guillaume Schweicher

    (University of Cambridge)

  • Jérôme Cornil

    (University of Mons)

  • David Beljonne

    (University of Mons)

  • Yves Geerts

    (Université Libre de Bruxelles (ULB))

  • Ying Diao

    (University of Illinois at Urbana−Champaign)

Abstract

Martensitic transition is a solid-state phase transition involving cooperative movement of atoms, mostly studied in metallurgy. The main characteristics are low transition barrier, ultrafast kinetics, and structural reversibility. They are rarely observed in molecular crystals, and hence the origin and mechanism are largely unexplored. Here we report the discovery of martensitic transition in single crystals of two different organic semiconductors. In situ microscopy, single-crystal X-ray diffraction, Raman and nuclear magnetic resonance spectroscopy, and molecular simulations combined indicate that the rotating bulky side chains trigger cooperative transition. Cooperativity enables shape memory effect in single crystals and function memory effect in thin film transistors. We establish a molecular design rule to trigger martensitic transition in organic semiconductors, showing promise for designing next-generation smart multifunctional materials.

Suggested Citation

  • Hyunjoong Chung & Dmytro Dudenko & Fengjiao Zhang & Gabriele D’Avino & Christian Ruzié & Audrey Richard & Guillaume Schweicher & Jérôme Cornil & David Beljonne & Yves Geerts & Ying Diao, 2018. "Rotator side chains trigger cooperative transition for shape and function memory effect in organic semiconductors," Nature Communications, Nature, vol. 9(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-017-02607-9
    DOI: 10.1038/s41467-017-02607-9
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    Cited by:

    1. Durga Prasad Karothu & Rodrigo Ferreira & Ghada Dushaq & Ejaz Ahmed & Luca Catalano & Jad Mahmoud Halabi & Zainab Alhaddad & Ibrahim Tahir & Liang Li & Sharmarke Mohamed & Mahmoud Rasras & Panče Naumo, 2022. "Exceptionally high work density of a ferroelectric dynamic organic crystal around room temperature," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Daniel William Davies & Bumjoon Seo & Sang Kyu Park & Stephen B. Shiring & Hyunjoong Chung & Prapti Kafle & Dafei Yuan & Joseph W. Strzalka & Ralph Weber & Xiaozhang Zhu & Brett M. Savoie & Ying Diao, 2023. "Unraveling two distinct polymorph transition mechanisms in one n-type single crystal for dynamic electronics," Nature Communications, Nature, vol. 14(1), pages 1-14, December.

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