Strain-induced reversal of charge transfer in contact electrification

Mamadou Sow; Ross Widenor; Ajay Kumar; Seung Whan Lee; Daniel J. Lacks; R. Mohan Sankaran

doi:10.1002/anie.201107256

Strain-induced reversal of charge transfer in contact electrification

Mamadou Sow, Ross Widenor, Ajay Kumar, Seung Whan Lee, Daniel J. Lacks, R. Mohan Sankaran

Research output: Contribution to journal › Article › peer-review

Abstract

We have contact! Material strain can have a dominating effect on contact electrification. When a deflated (relaxed) balloon is rubbed against teflon, the teflon surface charges positively, but when the same balloon is inflated (strained), the teflon surface charges negatively. This result illustrates that material strain can control contact electrification and alter the driving force of some (yet unknown) charge-transfer species.

Original language	English (US)
Pages (from-to)	2695-2697
Number of pages	3
Journal	Angewandte Chemie - International Edition
Volume	51
Issue number	11
DOIs	https://doi.org/10.1002/anie.201107256
State	Published - Mar 12 2012
Externally published	Yes

Keywords

charge transfer
contact electrification
electrostatic interactions
mechanochemistry
strain

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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10.1002/anie.201107256

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abstract = "We have contact! Material strain can have a dominating effect on contact electrification. When a deflated (relaxed) balloon is rubbed against teflon, the teflon surface charges positively, but when the same balloon is inflated (strained), the teflon surface charges negatively. This result illustrates that material strain can control contact electrification and alter the driving force of some (yet unknown) charge-transfer species.",

keywords = "charge transfer, contact electrification, electrostatic interactions, mechanochemistry, strain",

author = "Mamadou Sow and Ross Widenor and Ajay Kumar and Lee, {Seung Whan} and Lacks, {Daniel J.} and Sankaran, {R. Mohan}",

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AU - Sow, Mamadou

AU - Widenor, Ross

AU - Kumar, Ajay

AU - Lee, Seung Whan

AU - Lacks, Daniel J.

AU - Sankaran, R. Mohan

PY - 2012/3/12

Y1 - 2012/3/12

N2 - We have contact! Material strain can have a dominating effect on contact electrification. When a deflated (relaxed) balloon is rubbed against teflon, the teflon surface charges positively, but when the same balloon is inflated (strained), the teflon surface charges negatively. This result illustrates that material strain can control contact electrification and alter the driving force of some (yet unknown) charge-transfer species.

AB - We have contact! Material strain can have a dominating effect on contact electrification. When a deflated (relaxed) balloon is rubbed against teflon, the teflon surface charges positively, but when the same balloon is inflated (strained), the teflon surface charges negatively. This result illustrates that material strain can control contact electrification and alter the driving force of some (yet unknown) charge-transfer species.

KW - charge transfer

KW - contact electrification

KW - electrostatic interactions

KW - mechanochemistry

KW - strain

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