Marks L D, Olson K P
Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA.
Small. 2024 Aug 25:e2310546. doi: 10.1002/smll.202310546.
Triboelectricity has been a topic of some confusion for many years, probably because it is very diverse and some of the fundamental science has not been clear. This is now starting to change. A few years ago, the importance of flexoelectricity at asperities is pointed out. That paper exploited the established physics of compensation of bound surface or interfacial charges without going into detail. The purpose of this paper is to expand further on this, mapping from the established physics of electrostatics with contact potentials and Maxwell's displacement field to the underlying fundamentals of charge transfer in triboelectricity. Examples from the published literature are used to illustrate this. In the discussion, some of the open questions and challenges to the community are mentioned.
多年来，摩擦电一直是一个存在一些混淆的话题，可能是因为它非常多样化，而且一些基础科学尚未明确。现在这种情况开始有所改变。几年前，人们指出了粗糙表面处挠曲电的重要性。那篇论文利用了已确立的关于束缚表面或界面电荷补偿的物理学原理，但没有深入细节。本文的目的是在此基础上进一步拓展，从具有接触电势和麦克斯韦位移场的静电学既定物理学原理，映射到摩擦电中电荷转移的潜在基本原理。文中引用了已发表文献中的例子来说明这一点。在讨论部分，还提到了该领域一些尚未解决的问题和挑战。
