Graphene-Based Bimorph Microactuators

    Authors

    S. E. Zhu; R. Shabani; J. Rho; Y. Kim; B. H. Hong; J. H. Ahn;H. J. Cho

    Comments

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    Abbreviated Journal Title

    Nano Lett.

    Keywords

    Graphene; actuator; organic; thermal; mechanical; sensor; ARTIFICIAL MUSCLES; FILMS; FABRICATION; ACTUATORS; Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &; Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter

    Abstract

    A novel graphene-on-organic film fabrication method that is compatible with a batch microfabrication process was developed and used for electromechanically driven microactuators. A very thin layer of graphene sheets was monolithically integrated and the unique material characteristics of graphene including negative thermal expansion and high electrical conductivity were exploited to produce a bimorph actuation. A large displacement with rapid response was observed while maintaining the low power consumption. This enabled the successful demonstration of transparent graphene-based organic microactuators.

    Journal Title

    Nano Letters

    Volume

    11

    Issue/Number

    3

    Publication Date

    1-1-2011

    Document Type

    Article

    Language

    English

    First Page

    977

    Last Page

    981

    WOS Identifier

    WOS:000288061500010

    ISSN

    1530-6984

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