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Replication of flexible polymer membranes with geometry-controllable nano-apertures via a hierarchical mould-based dewetting

Author

Listed:
  • Hyesung Cho

    (Seoul National University)

  • Junsoo Kim

    (Seoul National University)

  • Hyunchul Park

    (Seoul National University)

  • Jung Won Bang

    (Seoul National University)

  • Moon Seop Hyun

    (Measurement & Analysis Team, National Nanofab Center
    Chung-Ang University)

  • Yongjun Bae

    (Seoul National University)

  • Laura Ha

    (Interdisciplinary Program of Bioengineering, Seoul National University)

  • Do Yoon Kim

    (College of BioNano Technology, Gachon University)

  • Seong Min Kang

    (Seoul National University)

  • Tae Jung Park

    (Chung-Ang University)

  • Soonmin Seo

    (College of BioNano Technology, Gachon University)

  • Mansoo Choi

    (Seoul National University
    Seoul National University)

  • Kahp-Yang Suh

    (Seoul National University
    Seoul National University
    Interdisciplinary Program of Bioengineering, Seoul National University)

Abstract

Membranes with nano-apertures are versatile templates that possess a wide range of electronic, optical and biomedical applications. However, such membranes have been limited to silicon-based inorganic materials to utilize standard semiconductor processes. Here we report a new type of flexible and free-standing polymeric membrane with nano-apertures by exploiting high-wettability difference and geometrical reinforcement via multiscale, multilevel architecture. In the method, polymeric membranes with various pore sizes (50–800 nm) and shapes (dots, lines) are fabricated by a hierarchical mould-based dewetting of ultraviolet-curable resins. In particular, the nano-pores are monolithically integrated on a two-level hierarchical supporting layer, allowing for the rapid (

Suggested Citation

  • Hyesung Cho & Junsoo Kim & Hyunchul Park & Jung Won Bang & Moon Seop Hyun & Yongjun Bae & Laura Ha & Do Yoon Kim & Seong Min Kang & Tae Jung Park & Soonmin Seo & Mansoo Choi & Kahp-Yang Suh, 2014. "Replication of flexible polymer membranes with geometry-controllable nano-apertures via a hierarchical mould-based dewetting," Nature Communications, Nature, vol. 5(1), pages 1-10, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4137
    DOI: 10.1038/ncomms4137
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    Cited by:

    1. Ke, Yuzhi & Yuan, Wei & Zhou, Feikun & Guo, Wenwen & Li, Jinguang & Zhuang, Ziyi & Su, Xiaoqing & Lu, Biaowu & Zhao, Yonghao & Tang, Yong & Chen, Yu & Song, Jianli, 2021. "A critical review on surface-pattern engineering of nafion membrane for fuel cell applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).

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