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Fabrication Method of Versatile Micro/Nano Hierarchical Structure and Its Usage as Superhydrophobic Flexible Film

  • Yongrok Jeong
  • , Junseong Ahn
  • , Byeongmin Kang
  • , Ji Hwan Ha
  • , Jiwoo Ko
  • , Soon Hyoung Hwang
  • , Sohee Jeon
  • , Jun Ho Jeong
  • , Inkyu Park
  • Korea Advanced Institute of Science and Technology
  • Korea Institute of Machinery and Materials

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this research, we propose the fabrication method of versatile micro/nano hierarchical structures; Microstructuring was done by micro-molding of the polyimide (PI) varnish, and the nano-structuring was done by additional nano-transferring of the nickel (Ni) nanodot onto the PI microstructure and sequential reactive ion etching (RIE). Through the proposed method, we successfully fabricate the flexible film with a micro-pillar/nano-thumbtack hierarchical structure that shows the superhydrophobicity (water contact angle (WCA) of 171.26°).

Original languageEnglish
Title of host publication2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1360-1363
Number of pages4
ISBN (Electronic)9784886864352
StatePublished - 2023
Event22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023 - Kyoto, Japan
Duration: 25 Jun 202329 Jun 2023

Publication series

Name2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023

Conference

Conference22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023
Country/TerritoryJapan
CityKyoto
Period25/06/2329/06/23

Keywords

  • Hierarchical Structure
  • Microstructure
  • Nanostructure
  • Superhydrophobicity

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