Flowing Water Enables Steerable Charge Distribution on Electret Surface

Boming Lyu, Jian Zhang, Yunjia Li, Yongqing Fu, Honglong Chang, Weizheng Yuan, Kai Tao

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Contact electrification has been studied since as early as 2,600 years ago, but its mechanism is still unclear, especially for liquid-solid cases. In this paper, an innovative water charging method is proposed for the first time. The charge-transfer mechanism is suppressed by the steerable oxygen plasma treatment, and the 3D charge distribution map of NPU shape is obtained through the surface potential scanner. The method was further applied to the DEG and a self-powered thin-film sensor with droplet position monitoring function was prepared. This study demonstrates the feasibility of the proposed water charging method and proposes a new application in the field of water energy harvesting.

Original languageEnglish
Title of host publication2023 IEEE 36th International Conference on Micro Electro Mechanical Systems, MEMS 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages740-743
Number of pages4
ISBN (Electronic)9781665493086
DOIs
StatePublished - 2023
Event36th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2023 - Munich, Germany
Duration: 15 Jan 202319 Jan 2023

Publication series

NameProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Volume2023-January
ISSN (Print)1084-6999

Conference

Conference36th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2023
Country/TerritoryGermany
CityMunich
Period15/01/2319/01/23

Keywords

  • Contact electrification
  • electret
  • oxygen plasma treatment
  • water energy harvesting

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