Abstract

Abstract Plasma-assisted vapor-phase deposition of (–CH2–)100 macromolecules is performed onto the surface of pre-deposited polyethylene oxide (PEO). It leads to the formation of two-dimensional 7 nm thick polyethylene (PE) islands of the ramified fractal or ordered dendrite shape. AFM-infrared nanospectroscopy confirms the phase separation whereas complementary specific heat nanocalorimetry indicates that the crossover from one island shape to another is related to glassy dynamics in underlying PEO. Segmental dynamics is found to be controlled by the thickness of PEO and it manifests in the development of star-shaped PE dendrites on ultrathin (

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