Aromatic polythiourea dielectrics with ultrahigh breakdown field strength, low dielectric loss, and high electric energy density

  • Shan Wu
  • , Weiping Li
  • , Minren Lin
  • , Quinn Burlingame
  • , Qin Chen
  • , Andrew Payzant
  • , Kai Xiao
  • , Q. M. Zhang

Research output: Contribution to journalArticlepeer-review

337 Scopus citations

Abstract

The promise of aromatic, amorphous, polar polymers containing high dipolar moments with very low defect levels is demonstrated for future dielectric materials with ultrahigh electric-energy density, low loss at high applied fields, and ultrahigh breakdown strengths. Specifically, aromatic polythiourea films exhibit an ultrahigh breakdown field (>1 GV m-1), which results in an energy density of ≈22 J cm-3, as well as a low loss.

Original languageEnglish (US)
Pages (from-to)1734-1738
Number of pages5
JournalAdvanced Materials
Volume25
Issue number12
DOIs
StatePublished - Mar 25 2013

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering

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