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Mechanically Robust Ordered Nanocomposites Exhibiting a NIR Bandgap
Kulkarni, Sunil
Kulkarni, Sunil
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Thesis/Dissertation
Date
2009
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Department
Chemistry
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http://dx.doi.org/10.34944/dspace/1651
Abstract
This dissertation reports a simple route to synthesis nanostructured composites by immobilizing colloidal crystals (CCs) of monodisperse SiO2 spheres in crosslinked polymer network. The resulting ordered nanocomposites exhibited the highest modulus reported yet, to the best of our knowledge, for similar materials. The ordered nanocomposites were optically active and the Bragg diffracted light in a NIR region and wavelength of the Bragg peak could be tuned simply by changing the silica concentration in the composite. They also exhibited intense angle dependent iridescence.
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