Giant strain response in ionic nanoporous graphene actuator with hierarchical structures

C. Welsh, Y. Zhou, M. Ghaffari, M. Lin, Chong Min Koo, Q. M. Zhang

    Research output: Contribution to journalArticle

    1 Scopus citations

    Abstract

    The fabrication and strain responses of nanoporous graphene actuators with hierarchical structures are reported. Poly(methyl methacrylate) (PMMA) patterning on a porous substrate and vacuum filtration were used to successfully pattern the hierarchical nanoporous graphene structures. Scanning electron microscopy (SEM) images depict successful hierarchical structuring with quick ion transport channels in the electrodes of the actuator. Profilometer measurements show uniform graphene thickness throughout the electrodes. The measured strain response shows much improvement over nanoporous graphene actuators reported earlier which do not have fast transport ion channels. The high strain response is a direct result of improved ion transport through the hierarchical nanoporous graphene channels.

    Original languageEnglish (US)
    Article number7116327
    Pages (from-to)1389-1393
    Number of pages5
    JournalIEEE Transactions on Dielectrics and Electrical Insulation
    Volume22
    Issue number3
    DOIs
    StatePublished - Jun 1 2015

    All Science Journal Classification (ASJC) codes

    • Electrical and Electronic Engineering

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