Engineering Polymer Interfaces: A Review toward Controlling Triboelectric Surface Charge
Advanced Materials Interfaces 2023
Andris Šutka, Linards Lapčinskis, Delong He, Hyunseung Kim, Joseph D. Berry, Jinbo Bai, Māris Knite, Amanda V Ellis, Chang Kyu Jeong, Peter C Sherrell

Contact electrification and triboelectric charging are areas of intense research. Despite their low ability to accept or donate electrons, polymer insulator based triboelectric nanogenerators have emerged as highly efficient mechanical-to-electrical conversion devices. Here, it is reviewed the structure–property–performance of polymer insulators in triboelectric nanogenerators and focus on tools that can be used to directly enhance charge generation, via altering a polymer's mechanical, thermal, chemical, and topographical properties. In addition to the discussion of these fundamental properties, the use of additives to locally manipulate the polymer surface structure is discussed. The link between each property and the underlying charging mechanism is discussed, in the context of both increasing surface charge and predicting the polarity of surface charge, and pathways to engineer triboelectric charging are highlighted. Key questions facing the field surrounding data reporting, the role of water, and synergy between mass, electron, and ion transfer mechanisms are highlighted with aspirational goals of a holistic model for triboelectric charging proposed.


Šutka, A., Lapčinskis, L., He, D., Kim, H., Berry, J., Bai, J., Knite, M., Ellis, A., Jeong, C., Sherrell, P. Engineering Polymer Interfaces: A Review toward Controlling Triboelectric Surface Charge. Advanced Materials Interfaces, 2023, Vol. 10, No. 26, Article number 2300323. ISSN 2196-7350. Available from: doi:10.1002/admi.202300323

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English (en)
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