Abstract
Novel polymer-based nanocomposite films embedded with core/shell structured nanotubes (multi-wall carbon nanotubes coated with barium titanate) as fillers were fabricated by solution-casting method. It is found that the multi-wall carbon nanotubes (MWCNTs) cores are coated with a layer of barium titanate dielectric shells, which act as an interlayer between the MWCNTs cores as well as the polyarylene ether nitriles (PEN) polymer matrix. The thermogravimeric analysis shows that the films possess excellent thermal properties endowed by PEN matrix. Most importantly, the permittivity of the nanocomposite film is as high as 508 at 100Hz when the mass fraction of MWCNTs reaches 2.5%.
Published Version
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