Contact Electrification by Quantum-Mechanical Tunneling [PDF]
Research, 2019 A simple model of charge transfer by loss-less quantum-mechanical tunneling between two solids is proposed. The model is applicable to electron transport and contact electrification between e.g. a metal and a dielectric solid.
Morten Willatzen, Zhong Lin Wang
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Quantifying electron-transfer in liquid-solid contact electrification and the formation of electric double-layer [PDF]
Nature Communications, 2020 The identity of charge carriers (electron or ion) in contact electrification has been discussed for many years. Here, the authors demonstrate that the electron transfer paly an important role in liquid-solid contact electrification and the formation ...
Shiquan Lin +3 more
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On‐Demand, Contact‐Less and Loss‐Less Droplet Manipulation via Contact Electrification [PDF]
Advanced ScienceWhile there are many droplet manipulation techniques, all of them suffer from at least one of the following drawbacks – complex fabrication or complex equipment or liquid loss. In this work, a simple and portable technique is demonstrated that enables on‐
Wei Wang +4 more
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Enhancing contact electrification using nanofluids during liquid intrusion and extrusion in nanoporous materials [PDF]
Scientific ReportsSolid-liquid triboelectrification is of paramount importance for a wide range of processes. In this study, we demonstrate that a small addition of nanoparticles into water significantly enhances contact electrification in both intrusion–extrusion and ...
Liam J. W. Johnson +7 more
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Recent Progress of Chemical Reactions Induced by Contact Electrification [PDF]
MoleculesContact electrification (CE) spans from atomic to macroscopic scales, facilitating charge transfer between materials upon contact. This interfacial charge exchange, occurring in solid–solid (S–S) or solid–liquid (S–L) systems, initiates radical ...
Xinyi Huo +4 more
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Understanding contact electrification at liquid–solid interfaces from surface electronic structure [PDF]
Nature Communications, 2021 Understanding contact electrification within the liquid–solid interface is critical for further applications in energy conversion and storage devices. Here, the authors reveal liquid–solid interactions regarding the charge transfer mechanism and pinning ...
Mingzi Sun +3 more
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Thermodynamic driving forces in contact electrification between polymeric materials [PDF]
Nature CommunicationsContact electrification, or contact charging, refers to the process of static charge accumulation after rubbing, or even simple touching, of two materials. Despite its relevance in static electricity, various natural phenomena, and numerous technologies,
Hang Zhang +2 more
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Dynamics of contact electrification. [PDF]
Sci Adv, 2021 A detailed analysis of contact electrification between metals reveals a mechanism leading to unexpectedly high voltages.
Kaponig M +3 more
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On chain models for contact electrification [PDF]
Journal of Physics: Condensed Matter, 2022 Abstract An exact analytical model of charge dynamics for a chain of atoms with asymmetric hopping terms is presented. Analytic and numeric results are shown to give rise to similar dynamics in both the absence and presence of electron interactions.
Javier E Hasbun +2 more
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Probing Contact Electrification between Gas and Solid Surface
Nanoenergy Advances, 2023 Contact electrification exists everywhere and between every phase of matter. However, its mechanism still remains to be studied. The recent triboelectric nanogenerator serves as a probe and provides some new clues about the mechanism present in solid ...
Linlin Sun +4 more
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