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Recent Studies on Solid–Liquid Contact Electrification
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    Spotlight on Applications

    Recent Studies on Solid–Liquid Contact Electrification
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    • In-Yong Suh
      In-Yong Suh
      School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
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    • Jinyoung Jeon
      Jinyoung Jeon
      Center for Human-Oriented Triboelectric Energy Harvesting, Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
    • Min Jae Park
      Min Jae Park
      Center for Human-Oriented Triboelectric Energy Harvesting, Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
      More by Min Jae Park
    • Hyeji Ryu
      Hyeji Ryu
      Center for Human-Oriented Triboelectric Energy Harvesting, Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
      More by Hyeji Ryu
    • Young Jun Park
      Young Jun Park
      Center for Human-Oriented Triboelectric Energy Harvesting, Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
    • Sang-Woo Kim*
      Sang-Woo Kim
      Center for Human-Oriented Triboelectric Energy Harvesting, Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
      *Email: [email protected]
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    ACS Applied Electronic Materials

    Cite this: ACS Appl. Electron. Mater. 2024, 6, 7, 4826–4842
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    https://doi.org/10.1021/acsaelm.4c00531
    Published July 3, 2024
    Copyright © 2024 American Chemical Society

    Abstract

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    Solid–liquid interfaces are crucial in basic sciences, such as chemistry, biology, and engineering, particularly in catalysis, electrochemistry, and energy storage technologies. Recent developments in the study of contact electrification at solid–liquid interfaces have led to a paradigm shift from traditional interpretations centered on the electric double layer (EDL) concept. These advancements highlight the critical role of electron transfer at the solid–liquid interface, suggesting that both electrons and ions contribute to form a stern layer. This statement requires a reassessment of our fundamental understanding of interfacial charge dynamics, expanding the range of mechanisms that are at work within this crucial boundary layer. This Spotlight on Applications aims to explore the principles of solid–liquid contact electrification (SLCE) and SLCE-based triboelectric nanogenerator (SLCE-TENG) applications. We also examine the effects of different solids, ranging from semiconductors to insulators, and quantify the effect of liquid triboelectric series on contact electrification. Next, we discuss how to optimize triboelectric outputs through solid and liquid material modifications. We address the applications of these findings in SLCE-TENGs, including energy harvesting, self-powered sensors, and contact electrocatalysis. Finally, we highlight the current challenges and offer perspectives on the electrification of solid–liquid interfaces, providing an outline of future research directions and potential.

    Copyright © 2024 American Chemical Society

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    This article is cited by 4 publications.

    1. Qingtao Li, Pengfei Xing, Guobin Li, Hongpeng Zhang, Xieqing Zheng, Yanbo Xu, Jia Guo. Experimental investigation on the electrical performance of a solid-liquid tubular triboelectric nanogenerator in pipeline system. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 2025, 13 https://doi.org/10.1177/09544062251318537
    2. Xinyi Huo, Shaoxin Li, Bing Sun, Zhong Lin Wang, Di Wei. Recent Progress of Chemical Reactions Induced by Contact Electrification. Molecules 2025, 30 (3) , 584. https://doi.org/10.3390/molecules30030584
    3. Wei Wang, Jin Yan, Xianzhang Wang, Hongchen Pang, Chengqi Sun, Yin Sun, Lijun Wang, Dapeng Zhang. Research on the Performance of a Liquid–Solid Triboelectric Nanogenerator Prototype Based on Multiphase Liquid. Micromachines 2025, 16 (1) , 78. https://doi.org/10.3390/mi16010078
    4. Ruize Zhang, Zeyang Yu, Zhikai Fan, Shanshan Wang, Yihui Xiang, Yanfei Liu, Zhongnan Wang. Sensor for a Solid–Liquid Tribological System. Sensors 2025, 25 (2) , 437. https://doi.org/10.3390/s25020437

    ACS Applied Electronic Materials

    Cite this: ACS Appl. Electron. Mater. 2024, 6, 7, 4826–4842
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acsaelm.4c00531
    Published July 3, 2024
    Copyright © 2024 American Chemical Society

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