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Functionalized MXene ink enables environmentally stable printed electronics

Author

Listed:
  • Tae Yun Ko

    (Korea Institute of Science and Technology
    Korea Institute of Science and Technology
    Masdar Building)

  • Heqing Ye

    (Henan University
    Konkuk University)

  • G. Murali

    (Korea National University of Transportation
    Korea National University of Transportation)

  • Seul-Yi Lee

    (Inha University)

  • Young Ho Park

    (Korea National University of Transportation
    Korea National University of Transportation)

  • Jihoon Lee

    (Korea National University of Transportation
    Korea National University of Transportation)

  • Juyun Lee

    (Korea Institute of Science and Technology
    Korea Institute of Science and Technology
    Korea University)

  • Dong-Jin Yun

    (Analytical Science Laboratory of Samsung Advanced Institute of Technology (SAIT))

  • Yury Gogotsi

    (Drexel University)

  • Seon Joon Kim

    (Korea Institute of Science and Technology
    Korea Institute of Science and Technology
    University of Science and Technology)

  • Se Hyun Kim

    (Konkuk University)

  • Yong Jin Jeong

    (Korea National University of Transportation
    Korea National University of Transportation)

  • Soo-Jin Park

    (Inha University)

  • Insik In

    (Korea National University of Transportation
    Korea National University of Transportation)

Abstract

Establishing dependable, cost-effective electrical connections is vital for enhancing device performance and shrinking electronic circuits. MXenes, combining excellent electrical conductivity, high breakdown voltage, solution processability, and two-dimensional morphology, are promising candidates for contacts in microelectronics. However, their hydrophilic surfaces, which enable spontaneous environmental degradation and poor dispersion stability in organic solvents, have restricted certain electronic applications. Herein, electrohydrodynamic printing technique is used to fabricate fully solution-processed thin-film transistors with alkylated 3,4-dihydroxy-L-phenylalanine functionalized Ti3C2Tx (AD-MXene) as source, drain, and gate electrodes. The AD-MXene has excellent dispersion stability in ethanol, which is required for electrohydrodynamic printing, and maintains high electrical conductivity. It outperformed conventional vacuum-deposited Au and Al electrodes, providing thin-film transistors with good environmental stability due to its hydrophobicity. Further, thin-film transistors are integrated into logic gates and one-transistor-one-memory cells. This work, unveiling the ligand-functionalized MXenes’ potential in printed electrical contacts, promotes environmentally robust MXene-based electronics (MXetronics).

Suggested Citation

  • Tae Yun Ko & Heqing Ye & G. Murali & Seul-Yi Lee & Young Ho Park & Jihoon Lee & Juyun Lee & Dong-Jin Yun & Yury Gogotsi & Seon Joon Kim & Se Hyun Kim & Yong Jin Jeong & Soo-Jin Park & Insik In, 2024. "Functionalized MXene ink enables environmentally stable printed electronics," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
  • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-47700-y
    DOI: 10.1038/s41467-024-47700-y
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    References listed on IDEAS

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    1. P. Galliker & J. Schneider & H. Eghlidi & S. Kress & V. Sandoghdar & D. Poulikakos, 2012. "Direct printing of nanostructures by electrostatic autofocussing of ink nanodroplets," Nature Communications, Nature, vol. 3(1), pages 1-9, January.
    2. Chuanfang (John) Zhang & Lorcan McKeon & Matthias P. Kremer & Sang-Hoon Park & Oskar Ronan & Andrés Seral‐Ascaso & Sebastian Barwich & Cormac Ó Coileáin & Niall McEvoy & Hannah C. Nerl & Babak Anasori, 2019. "Additive-free MXene inks and direct printing of micro-supercapacitors," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
    3. Enlong Li & Changsong Gao & Rengjian Yu & Xiumei Wang & Lihua He & Yuanyuan Hu & Huajie Chen & Huipeng Chen & Tailiang Guo, 2022. "MXene based saturation organic vertical photoelectric transistors with low subthreshold swing," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
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