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Amir Tavakkoli K. G., Samuel M. Nicaise, Adam F. Hannon, Kevin W. Gotrik, Alfredo Alexander-Katz, Caroline A. Ross and Karl K. Berggren Sacrificial-Post Templating Method for Block Copolymer Self-Assembly Small 10

Article first published online: 10 JUL 2013 | DOI: 10.1002/smll.201301066

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The sacrificial post-templating method in block copolymer self-assembly, with the help of majority-block-functionalized posts, achieves several morphologies and structures on a single substrate without template incorporation. This method is applied to direct the assembly of a monolayer and bilayer of block copolymer microdomains. Arrays of different templates produce square and hexagonal lattices of spheres and perforated lamellae. Furthermore, bimodal hole sizes and density multiplication are achieved.

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