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Hierarchically Ordered Structures Enabled by Controlled Evaporative Self-Assembly

Authors

  • Myunghwan Byun,

    1. Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011, USA
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  • Wei Han,

    1. Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011, USA
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  • Feng Qiu,

    1. Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200433, P. R. China
    2. Department of Macromolecular Science, Fudan University, Shanghai, 200433, P. R. China
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  • Ned B. Bowden,

    1. Department of Chemistry, University of Iowa, Iowa City, IA 52242, USA
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  • Zhiqun Lin

    Corresponding author
    1. Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011, USA
    2. Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200433, P. R. China
    • Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011, USA.
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Abstract

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Hierarchically ordered comb block copolymer (CBCP) stripes are produced by combining top-down, controlled evaporative self-assembly of capillary-held CBCP solution. In the wedge-on-Si geometry, bottom-up, spontaneous self-assembly of CBCP nanodomains is promoted by subsequent solvent vapor annealing.

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