Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Roll-to-roll process for large-area transfer of Ag nanowire electrode

은 나노 와이어 전극의 대면적 전사를 위한 롤 투 롤 공정

  • Park, Yangkyu (Department of Mechanical Design Engineering, Chonnam National University) ;
  • Kim, Jae Pil (Lighting Materials and Components Research Center, Korea Photonics Technology Institute (KOPTI)) ;
  • Kim, Wan Ho (Lighting Materials and Components Research Center, Korea Photonics Technology Institute (KOPTI)) ;
  • Jung, Kang (Department of Mechanical Design Engineering, Chonnam National University) ;
  • Jeong, Ho-Jung (Lighting Materials and Components Research Center, Korea Photonics Technology Institute (KOPTI))
  • 박양규 (전남대학교, 기계설계공학부) ;
  • 김재필 (한국광기술원, 조명소재부품연구센터) ;
  • 김완호 (한국광기술원, 조명소재부품연구센터) ;
  • 정강 (전남대학교, 기계설계공학부) ;
  • 정호중 (한국광기술원, 조명소재부품연구센터)
  • Received : 2022.05.11
  • Accepted : 2022.05.31
  • Published : 2022.06.30
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Abstract

This study presents a roll-to-roll process which is capable of Ag nanowire (AgNW) transfer from polyethylene terephthalate (PET) film to polycarbonate (PC) film. We developed a roll-to-roll machine that consists of two film suppliers, a coater of photo-curable resin, a film laminator, an ultraviolet (UV) exposure unit, and a film winder to facilitate large-area electrode transfer between different flexible substates. Using the process, optimal fabrication condition was investigated by parametric experiments in terms of the UV exposure time, number of thermal cycling, and exposure time of high temperature and humidity. A fabricated AgNW on PC film showed sheet resistance of 52 Ω/sq and optical transmittance of approximately 80 % over a range of visible light.

Keywords

Acknowledgement

This research was supported by the Ministry of Trade, Industry & Energy (MOTIE, Korea) under the Industrial Technology Innovation Program (Grant No. 20004044) and Chonnam National University (Smart Plant Reliability Center) grant funded by the Ministry of Education, South Korea, (2020R1A6C101B197). All correspondence should be addressed to the authors Kang Jung and Ho-Jung Jeong.

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