Contact Electrification between Identical Materials

被引：166

作者：

Apodaca, Mario M. ^{[1
]}

Wesson, Paul J. ^{[2
]}

Bishop, Kyle J. M. ^{[2
]}

Ratner, Mark A. ^{[1
]}

Grzybowski, Bartosz A. ^{[1
,2
]}

机构：

[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

[2] Northwestern Univ, Dept Biol & Chem Engn, Evanston, IL 60208 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2010年 / 49卷 / 05期

关键词：

charge transfer; contact electrification; electrostatics; materials science; surface chemistry; SYSTEMS; METALS; IONS;

D O I：

10.1002/anie.200905281

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ch-ch-ch-charges: Pieces of identical, atomically flat insulators separate a charge Q when brought into contact and then parted. Repeated contacts cause the magnitudes of the separated charges to increase monotonically (see picture). A theoretical model is presented that explains these phenomena by the inherent, molecular-scale fluctuations in the composition of the seemingly identical contacting surfaces. Figure Presented © 2010 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：946 / 949

页数：4

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