Directed self-assembly of a two-state block copolymer system

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In this work, ladder-shaped block copolymer structures consisting of parallel bars, bends, and T-junctions are formed inside square confinement. We define binary states by the two degenerate alignment orientations, and study properties of the two-state system. We control the binary states by creating openings around the confinement, changing the confinement geometry, or placing lithographic guiding patterns inside the confinement. Self-consistent field theory simulations show templating effect from the wall openings and reproduce the experimental results. We demonstrate scaling of a single binary state into a larger binary state array with individual binary state control.
Publisher
SPRINGEROPEN
Issue Date
2018-09
Language
English
Article Type
Article
Citation

NANO CONVERGENCE, v.5

ISSN
2196-5404
DOI
10.1186/s40580-018-0156-z
URI
http://hdl.handle.net/10203/248759
Appears in Collection
MS-Journal Papers(저널논문)
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