Significant Enhancement of Triboelectric Charge Density by Fluorinated Surface Modification in Nanoscale for Converting Mechanical Energy

Hua Yang Li, Li Su, Shuang Yang Kuang, Cao Feng Pan, Guang Zhu, Zhong Lin Wang

Research output: Journal PublicationArticlepeer-review

145 Citations (Scopus)

Abstract

Excellent triboelectric and mechanical properties are achieved on the same material for the first time by developing an effective, general, straightforward, and area-scalable approach to surface modification of a polyethylene terephthalate (PET) film via inductive-coupled plasma etching. The modification enables gigantic enhancement of triboelectric charge density on the PET surface. Based on the modified PET as a contact material, a triboelectric nanogenerator (TENG) exhibits significantly promoted electric output compared to the one without the modification. The obtained electric output is even superior to a TENG made of conventional polytetrafluoroethylene that is known for its strongest ability of being charged by triboelectrification among all engineering plastics. Detailed characterizations reveal that the enhancement of triboelectric charge density on the PET is attributed to both chemical modification of fluorination and physical modification of roughened morphology in nanoscale. Therefore, this work proposes a new route to obtaining high-performance TENGs by manipulating and modifying surface properties of materials.

Original languageEnglish
Pages (from-to)5691-5697
Number of pages7
JournalAdvanced Functional Materials
Volume25
Issue number35
DOIs
Publication statusPublished - 1 Sep 2015
Externally publishedYes

Keywords

  • energy conversion
  • fluorination
  • plasma etching
  • surface modification
  • triboelectric charge

ASJC Scopus subject areas

  • Chemistry (all)
  • Materials Science (all)
  • Condensed Matter Physics

Fingerprint

Dive into the research topics of 'Significant Enhancement of Triboelectric Charge Density by Fluorinated Surface Modification in Nanoscale for Converting Mechanical Energy'. Together they form a unique fingerprint.

Cite this