Abstract

Temperature dependent nano-confined self-assembly has been observed for the crystallization of poly(ethylene oxide) (PEG) blocks within a hexagonally perforated layer in a PEO–polystyrene diblock cololymer. X-ray diffraction patterns in 2D wide and small angle X-ray scattering (WAXS/SAXS) do characteristically differ for samples crystallized at 10 and 30°C. The Figure shows a schematic of the 10°C crystallized, uniaxial pattern.

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