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Nanoconfined Polymer Crystallization in the Hexagonally Perforated Layers of a Self‐Assembled PS‐ b ‐PEO Diblock Copolymer
Author(s) -
Zhu L.,
Cheng S.Z.D.,
Huang P.,
Ge Q.,
Quirk R.P.,
Thomas E.L.,
Lotz B.,
Hsiao B.S.,
Yeh F.,
Liu L.
Publication year - 2002
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/1521-4095(20020104)14:1<31::aid-adma31>3.0.co;2-3
Subject(s) - materials science , small angle x ray scattering , crystallization , polystyrene , copolymer , polymer , chemical engineering , diffraction , self assembly , layer (electronics) , scattering , oxide , ethylene oxide , polymer chemistry , nanotechnology , composite material , optics , physics , engineering , metallurgy
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.