Alignment and anchoring transition of liquid crystals on the surface of self-assembled block copolymer films with periodic defects.

Park, Ji-Woong; Cho, Jinchul; Thomas, Edwin L · Soft Matter · 2008

basic_science · Level V

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Abstract

Patterned alignment of the nematic and uniform homeotropic alignment of the smectic LC occur on the periodic bend-splay Neél wall defect pattern of a rod-coil copolymer substrate surface.