PDMS/MWCNT nanocomposite actuators using silicone functionalized multiwalled carbon nanotubes via nitrene chemistry

Santosh Kumar Yadav, Il Jin Kim, Hyun Ji Kim, Joohoon Kim, Soon Man Hong, Chong Min Koo

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26 Citations (Scopus)


We demonstrate that covalently functionalized multiwalled carbon nanotubes (MWCNT) with a silicone copolymer via nitrene chemistry can be used as efficient conductive fillers for silicone dielectric elastomer actuators. The MWCNTs were covalently functionalized with poly(azidopropylmethyl)-co-(dimethylsiloxane) (silicone-N3) bearing an azide group through a nitrene addition reaction. The incorporation of a small amount of the uniformly silicone grafted MWCNTs (silicone-g-MWCNTs) in silicone dielectric elastomer strongly enhanced the mechanical, dielectric, and electromechanical properties of the resulting nanocomposites. This reinforcing effect is attributed to the homogeneous dispersion of silicone-g-MWCNTs in the silicone elastomer matrix due to the large degree of compatibility between the matrix and the passivation layers of the functionalized MWCNT.

Original languageEnglish
Pages (from-to)5463-5470
Number of pages8
JournalJournal of Materials Chemistry C
Issue number35
Publication statusPublished - 2013 Sep 21
Externally publishedYes


ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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