Mechanism of superior thermal insulation of nano-sized hollow/polymer hybrid thin film

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In this study, we focused on explanation of superior thermal insulation property of nano-hollow/polymer hybrid thin film. The thermal insulation could be derived from shell microstructure of the hollow silica nanoparticles. In order to design the shell microstructure, shell formation condition has been optimized. As a result, it can be clear that control of shell microstructure on a molecular level improved thermal insulation property of the composite film. In addition, interface between hollow particle surface and polymer has been adjusted to obtain high particle concentration in polymer matrix.