Localised actuation in composites containing carbon nanotubes and liquid crystalline elastomers

Carlos J. Camargo, Humberto Campanella, Jean E. Marshall, Núria Torras, Kirill Zinoviev, Eugene M. Terentjev, Jaume Esteve

    Research output: Contribution to journalArticleResearchpeer-review

    56 Citations (Scopus)

    Abstract

    A liquid crystalline elastomer-carbon nanotube (LCE-CNT) composite displays a reversible shape change property in response to light. The development of some systems such as tactile devices requires localised actuation of this material. A method is reported that combines mechanical stretching and thermal crosslinking of an LCE-CNT for creating sufficiently well-aligned liquid crystal units to produce localised actuation. The method demonstrates that it is feasible to optically drive a LCE-CNT film within a localised area, since only the walls of the stretched parts of the film contain aligned LC domains. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Original languageEnglish
    Pages (from-to)1953-1959
    JournalMacromolecular Rapid Communications
    Volume32
    Issue number24
    DOIs
    Publication statusPublished - 15 Dec 2011

    Keywords

    • carbon nanotubes
    • liquid-crystalline elastomers (LCE)
    • molding
    • nanocomposites
    • stimuli-sensitive polymers

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