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      Fundamental theories and basic principles of triboelectric effect: A review


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          Long-term observation of the triboelectric effect has not only proved the feasibility of many novel and useful tribo-devices (e.g., triboelectric nanogenerators), but also constantly motivated the exploration of its mysterious nature. In the pursuit of a comprehensive understanding of how the triboelectric process works, a more accurate description of the triboelectric effect and its related parameters and factors is urgently required. This review critically goes through the fundamental theories and basic principles governing the triboelectric process. By investigating the difference between each charging media, the electron, ion, and material transfer is discussed and the theoretical deduction in the past decades is provided. With the information from the triboelectric series, interesting phenomena including cyclic triboelectric sequence and asymmetric triboelectrification are precisely analyzed. Then, the interaction between the tribo-system and its operational environment is analyzed, and a fundamental description of its effects on the triboelectric process and results is summarized. In brief, this review is expected to provide a strong understanding of the triboelectric effect in a more rigorous mathematical and physical sense.

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          Most cited references77

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          The mosaic of surface charge in contact electrification.

          When dielectric materials are brought into contact and then separated, they develop static electricity. For centuries, it has been assumed that such contact charging derives from the spatially homogeneous material properties (along the material's surface) and that within a given pair of materials, one charges uniformly positively and the other negatively. We demonstrate that this picture of contact charging is incorrect. Whereas each contact-electrified piece develops a net charge of either positive or negative polarity, each surface supports a random "mosaic" of oppositely charged regions of nanoscopic dimensions. These mosaics of surface charge have the same topological characteristics for different types of electrified dielectrics and accommodate significantly more charge per unit area than previously thought.
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            Electrostatic Charging Due to Separation of Ions at Interfaces: Contact Electrification of Ionic Electrets

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              A semi-quantitative tribo-electric series for polymeric materials: the influence of chemical structure and properties


                Author and article information

                Tsinghua Science and Technology
                Tsinghua University Press (Xueyuan Building, Tsinghua University, Beijing 100084, China )
                05 February 2019
                : 07
                : 01
                : 2-17 (pp. )
                [ 1 ] School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
                [ 2 ] School of Mechanical & Aerospace Engineering, University of California Los Angeles, Los Angeles 90095, USA
                Author notes
                * Corresponding author: Zhinan ZHANG, E-mail: zhinanz@ 123456sjtu.edu.cn

                Shuaihang PAN. He received his B.S. degree in Mech. Eng. and B.A. degree in German in 2016 from Shanghai Jiao Tong University, Shanghai, China. He is now working as a graduate researcher at University of California-Los Angeles (UCLA) in pursuit of a Ph.D. degree. His research focuses on triboelectric effect, novel nanocomposites, and electrical/thermal transport phenomena.

                Zhinan ZHANG. He received his Ph.D. degree in 2011 from Shanghai Jiao Tong University, Shanghai, China. After that he was a post doctor in Shanghai Jiao Tong University. He is now working as an associate professor in the School of Mechanical Engineering, Shanghai Jiao Tong University. His research interests include computational design and analysis of tribosystems, and theory and methods of design engineering and innovation.


                This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

                Page count
                Figures: 10, Tables: 4, References: 86, Pages: 16
                Review Article

                Materials technology,Materials properties,Thin films & surfaces,Mechanical engineering
                triboelectrification,interface,triboelectric effect,triboelectric nanogenerators (TENGs)


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