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- Park, Soojin
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Directed Self-Assembly of Block Copolymers on Two-Dimensional Chemical Patterns Fabricated by Electro-Oxidation Nano lithography
- Author(s)
- Xu, Ji, Park, Soojin, Wang, Shiliu, Russell, Thomas P., Ocko, Benjamin M., Checco, Antonio
- Issued Date
- 2010-05
- Citation
- ADVANCED MATERIALS, v.22, no.20, pp.2268 - 2272
- Abstract
- A hexagonal web of carboxylic-terminated nanostripes (left image, bright areas) is patterned onto a methyl-terminated surface of an octadecyltrichlorosilane monolayer. A thermally annealed polystyrene-block-poly(ethylene oxide) (PS-b-PEO) thin-film, spin-cast on the chemical pattern (right image), exhibits surface normal oriented cylindrical PEO microdomains on the methyl-terminated regions only. These chemical patterns effectively template the order and spatial orientation of diblock-copolymer microdomains.
- Publisher
- WILEY-V C H VERLAG GMBH
- ISSN
- 0935-9648
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