The Influence of Distant Substrates on the Outcome of Contact Electrification. Issue 47 (25th October 2018)

• Record Type: Journal Article
• Authors: Siek, Marta; Adamkiewicz, Witold; Sobolev, Yaroslav I.; Grzybowski, Bartosz A.
• Is Part Of: Angewandte Chemie international edition. Volume 57:Issue 47(2018)
• Page Start: 15379
• Page End: 15383
• Publication Date: 2018-10-25
• Subjects: contact electrification -- electric fields -- gas discharges -- interfaces -- polymers; Chemistry -- Periodicals; 540
• DOI: 10.1002/anie.201806658
• Languages: English
• ISSNs: 1433-7851

Abstract

Abstract: The magnitudes of the charges developed on contact‐electrified polymers depend on not only the properties of these materials but also the nature of distant substrates on which the polymers are supported. In particular, image charges induced in conductive substrates can decrease charges on the polymers by arc discharge through the surrounding gas. This mode of charge dissipation occurs on timescales of milliseconds and can be prevented by insulating the sharp edges of the conductive supports. Abstract : Not only the surface matters in the contact electrification (CE) of polymers. Image charges induced in distant conductive supports (Low Ω) can feedback and dissipate the original charges developed by CE on the contacting insulators.