Triboelectric charge transfer theory driven by interfacial thermoelectric effect
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866916824333942784 |
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| author | Mun, Ji-Ho Shin, Eui-Cheol Seo, Jaeuk Kim, Yong-Hyun |
| author_facet | Mun, Ji-Ho Shin, Eui-Cheol Seo, Jaeuk Kim, Yong-Hyun |
| contents | Despite extensive study and the practical significance of friction-driven static electricity, a quantitative triboelectric charge transfer theory has yet to be established. Here, we elucidate the detailed dynamics of triboelectric charge transfer driven by interfacial thermoelectric bias maintaining a steady state at the interface. We demonstrate that triboelectric charge exists in a delta-like distribution at a steady state. We suggest that the transferred triboelectric charge is dictated by half of the difference between thermoelectrically induced surface charges. Moreover, we quantitatively discuss electrostatic adhesion and static discharge between the transferred charges, which we may experience every day, including the role of surface charge inhomogeneity. Our findings may have significant implications for applications ranging from static electricity phenomena to advanced energy harvesting devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_02528 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Triboelectric charge transfer theory driven by interfacial thermoelectric effect Mun, Ji-Ho Shin, Eui-Cheol Seo, Jaeuk Kim, Yong-Hyun Materials Science Despite extensive study and the practical significance of friction-driven static electricity, a quantitative triboelectric charge transfer theory has yet to be established. Here, we elucidate the detailed dynamics of triboelectric charge transfer driven by interfacial thermoelectric bias maintaining a steady state at the interface. We demonstrate that triboelectric charge exists in a delta-like distribution at a steady state. We suggest that the transferred triboelectric charge is dictated by half of the difference between thermoelectrically induced surface charges. Moreover, we quantitatively discuss electrostatic adhesion and static discharge between the transferred charges, which we may experience every day, including the role of surface charge inhomogeneity. Our findings may have significant implications for applications ranging from static electricity phenomena to advanced energy harvesting devices. |
| title | Triboelectric charge transfer theory driven by interfacial thermoelectric effect |
| topic | Materials Science |
| url | https://arxiv.org/abs/2507.02528 |