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

    191 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

    • Materials Science(all)
    • Mechanics of Materials
    • Mechanical Engineering

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