Layer-by-layer self-assembled conductor network composites in ionic polymer metal composite actuators with high strain response

Sheng Liu, Reza Montazami, Yang Liu, Vaibhav Jain, Minren Lin, James R. Heflin, Q. M. Zhang

    Research output: Contribution to journalArticlepeer-review

    51 Scopus citations

    Abstract

    We investigate the electromechanical response of conductor network composite (CNC) fabricated by the layer-by-layer (LbL) self-assembly method. The process makes it possible for CNCs to be fabricated at submicron thickness with high precision and quality. This CNCs exhibits high strain ∼6.8% under 4 V, whereas the RuO2 /Nafion CNCs exhibit strain ∼3.3%. The high strain and submicron thickness of the LbL layers in an ionic polymer metal composite (IPMC) yield large and fast actuation. The response time of a 26 μm thick IPMC with 0.4 μm thick LbL CNCs to step voltage of 4 V is 0.18 s.

    Original languageEnglish (US)
    Article number023505
    JournalApplied Physics Letters
    Volume95
    Issue number2
    DOIs
    StatePublished - 2009

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy (miscellaneous)

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