Abstract:Block copolymer (BCP) films with vertically aligned lamellar
structures
hold great application potential in multiple fields. Nevertheless,
systematic control of the lamellar morphology in BCP films has rarely
been reported so far, including connectivity, etch selectivity, and
orientation. Here, we report an effective approach to construct perpendicularly
oriented lamellar domains by incorporating the azobenzene groups into
the side chains of polystyrene-block-polymethacrylate
(PS-b-PMMA) with different flexibl… Show more
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