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Crystallization under confinement: the role of entropy in PDMS crystallization |
A high resolution TEM image of Single Walled Nantubes (SWNT) dispersed in a solution (figure 1 paper 21, figure 1 paper 30) of Gum Arabic |
An OPIM image of a droplet - the different colors represent different heights (paper 17, paper 24, paper 29). |
We investigate wetting and dewetting of non-ideal surfaces by simple and polymeric
liquids, stability of thin liquid films, adsorption of polymers in confined
geometries, the effect of interfaces and external constraints on polymer
crystallization,
formation of mesoporous materials and the interfacial behavior of carbon nanotubes.
Our work has implications for a wide range of applications, including interfacial
engineering of carbon nanotubes, stability of thin films and nano-composites.
We utilize a variety of techniques, including light microscopy (diffraction and
interference), electron microscopy (in the transmission (TEM) and scanning modes
(SEM))
adhesion-measurements (JKR-type experiments), ellipsometry, Scanning Probe Microscopy
(IKC), thermal analysis (DSC, TGA), and Small Angle X-ray scattering (SAXS).
Our research projects are carried in close collaboration with other experimental
and theoretical groups (Minerva IKC )
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