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Effect of nanoparticle dispersion on glass transition in thin films of polymer nanocomposites

  • S. Chandran
  • J. K. BasuEmail author
Regular Article
Part of the following topical collections:
  1. Topical Issue on the Physics of Glasses

Abstract

We present spectroscopic ellipsometry measurements on thin films of polymer nanocomposites consisting of gold nanoparticles embedded in poly(styrene). The temperature dependence of thickness variation is used to estimate the glass transition temperature, T g . In these thin films we find a significant dependence of T g on the nature of dispersion of the embedded nanoparticles. Our work thus highlights the crucial role played by the particle polymer interface morphology in determining the glass transition in particular and thermo-mechanical properties of such nanocomposite films.

Keywords

Glass Transition Gold Nanoparticles Polymer Nanocomposites Spectroscopic Ellipsometry Nanoparticle Dispersion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  1. 1.Department of PhysicsIndian Institute of ScienceBangaloreIndia

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