Advanced Materials

Fully Functionalized High-Dielectric-Constant Nanophase Polymers with High Electromechanical Response

Authors

  • C. Huang,

    1. Materials Research Institute and Electrical Engineering Department, The Pennsylvania State University, University Park, PA 16802, USA
    2. Present address: The Whiting School of Engineering, Johns Hopkins University, 102 Maryland Hall, Baltimore, MD 21218, USA.
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  • Q.-M. Zhang

    1. Materials Research Institute and Electrical Engineering Department, The Pennsylvania State University, University Park, PA 16802, USA
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  • This work was supported by the NIH under Grant No. 8R01EB002078-04. We thank Dr. Jim Runt and Dr. L. E. Cross for many useful discussions. Details of the oligomer synthesis and polymer preparation can be found in the Supporting Information, which is available online from Wiley InterScience or from the author.

Abstract

Fully functionalized nanophase polymers where high-dielectric-constant oligomers and electrically conductive oligomers are grafted to a dielectric elastomer backbone (see Figure) produce a significantly enhanced interface effect through exchange coupling. Consequently, they offer a high dielectric constant (close to 1000 at 20 Hz), an improved breakdown field and better mechanical properties, and a high electromechanical response.

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