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Mechanism of Contact Electrification
Physics and High Technology, 2021Contact electrification has been a well-known phenomenon since B.C. 300. However, the origin of triboelectric charge and the charge transfer mechanism are not well understood. To date, the thermionic emission model, Schottky model, flexoelectric model, and intermolecular force model have been proposed for the contact electrification in conductors ...
Young-Joon KO +2 more
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Contact Electrification at the Liquid–Solid Interface
Chemical Reviews, 2021Interfaces between a liquid and a solid (L-S) are the most important surface science in chemistry, catalysis, energy, and even biology. Formation of an electric double layer (EDL) at the L-S interface has been attributed due to the adsorption of a layer of ions at the solid surface, which causes the ions in the liquid to redistribute.
Shiquan Lin +2 more
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Revisiting Contact Electrification at Polymer–Liquid Interfaces
Langmuir, 2022Contact electrification (CE) occurs naturally at all interfaces between solids and solids, solids and liquids, solids and gasses, and so forth. It has been extensively studied for decades. While CE at a solid-solid interface has been demonstrated to be primarily caused by electron transfer, the underlying mechanism of CE at a liquid-solid interface ...
Chen Tan, Ran Xu, Qing Zhang
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Contact electrification of polymers
Journal of Physics D: Applied Physics, 1976Measurements of the charge produced by rolling or sliding contact between a metal or polymer sphere and a dielectric sheet have been carried out under controlled conditions. The dependence of charge on air pressure was studied. Charge decay and mobilities were estimated. The metal work-function had no effect on charge transfer.
R Elsdon, F R G Mitchell
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From contact electrification to triboelectric nanogenerators
Reports on Progress in Physics, 2021Abstract Although the contact electrification (CE) (or usually called ‘triboelectrification’) effect has been known for over 2600 years, its scientific mechanism still remains debated after decades. Interest in studying CE has been recently revisited due to the invention of triboelectric nanogenerators (TENGs ...
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On the origin of contact-electrification
Materials Today, 2019Abstract Although contact electrification (triboelectrification) (CE) has been documented since 2600 years ago, its scientific understanding remains inconclusive, unclear, and un-unified. This paper reviews the updated progress for studying the fundamental mechanism of CE using Kelvin probe force microscopy for solid–solid cases.
Zhong Lin Wang, Aurelia Chi Wang
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Contact electrification of C60
Zeitschrift für Physik D Atoms, Molecules and Clusters, 1993We have used gold-, tungsten-, and copper plates to contact repeatedly a C60 powder sample. We observed the flow of electrons to the sample leading to negative charge accumulation. In repeated-contact experiments, we find charge saturation after 15 contacts for gold and copper contact partners. This is typical for the behavior of a semiconductor.
B. A. Kwetkus, K. Sattler
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Contact electrification of polyamides
Journal of Electrostatics, 1991Abstract Charge transfer to nylon 6.6 and other polyamides is a characteristic of the material, and to a large extent independent of source and fabrication history. A variety of polyamides with a range of amide group concentrations all charge strongly positive to much the same extent, but polyolefins (equivalent to polyamides with zero concentration ...
G.W. Follows, J. Lowell, M.P.W. Wilson
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Contact electrification of metals
Journal of Physics D: Applied Physics, 1975The author has measured the electrostatic charging of two metal bodies which have been brought into contact and then separated. The charge Q is found to be given by Q=C0Vc, where Vc is the contact potential difference and C0 is the 'contact capacitance'.
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Contact electrification using force microscopy
Physical Review Letters, 1989One of the oldest unresolved problems in physics is the mechanism of charge exchange between contacting surfaces when at least one of them is insulating. We describe a new technique, using force microscopy, for studying this problem with greater lateral resolution than has been previously possible. The force microscope is shown to have 0.2 \ensuremath{\
, Terris, , Stern, , Rugar, , Mamin
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