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복합 열처리 공정을 통한 금속 나노 섬유 네트워크 기반의 투명 전극 제작

Fabrication of Transparent Electrode based on Metallic Nanofiber Network via Combined Heat Treatment

Journal of the Korean Society for Precision Engineering 2023;40(10):813-819.
Published online: September 30, 2023

1 충북대학교 기계공학과

2 안동대학교 기계설계공학과

3 안동대학교 기계로봇공학과

1 Department of Mechanical Engineering, Chungbuk National University

2 Department of Mechanical Design Engineering, Andong National University

3 Department of Mechanical & Robotics Engineering, Andong National University

#E-mail: tcmerias@andong.ac.kr, TEL: +82-54-820-7767 E-mail: geonhwee.kim@chungbuk.ac.kr, TEL: +82-43-261-2442

*These authors contributed equally to this work

• Received: June 6, 2023   • Revised: August 15, 2023   • Accepted: September 12, 2023

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Design of Compact Multiple-test Machine for Evaluation of Electrical and Mechanical Properties of Flexible Thin Electrode
    Ji Hong Lee, Na Kyoung Kim, Taegyun Kim, Mun Jeong Choi, Seung Min Kang, Jungho Cho, Harim Son, Kanghyun Kim, Geon Hwee Kim
    Journal of the Korean Society of Manufacturing Process Engineers.2024; 23(2): 95.     CrossRef

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Fabrication of Transparent Electrode based on Metallic Nanofiber Network via Combined Heat Treatment
J. Korean Soc. Precis. Eng.. 2023;40(10):813-819.   Published online October 1, 2023
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J. Korean Soc. Precis. Eng.. 2023;40(10):813-819.   Published online October 1, 2023
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Fabrication of Transparent Electrode based on Metallic Nanofiber Network via Combined Heat Treatment
Image Image Image Image Image
Fig. 1 The schematic of fabrication process for a metallic network (A) Preparation of polyimide film after oxygen plasma treated (B) Electrospinning PVP nanofiber onto PI film (C) First heat treatment using hotplate (D) Second heat treatment using convection oven (E) Copper electroless deposition (F) Wiring
Fig. 2 FE-SEM images of metallic network depending on the time and conditions of heat treatment (A) Electrospun nanofibers (B-E) Single heat-treated metallic network for 15, 30, 45, 60 min, respectively (F) Combined heat-treated metallic network
Fig. 3 Comparison of single heat and combined heat-treated metallic network with FE-SEM images (A) Single heat-treated for 30 min metallic network (B) Combined heat-treated metallic network (C) Crack image of single heat-treated metallic network after applying stress (D) Crack image of combined heat-treated metallic network after applying mechanical stress
Fig. 4 Electrical, optical, and mechanical analysis of fabricated metallic nanofiber network (A) Graph about Cu nanofiber thickness depending on the heat treatment time and method (B) Graph about heat treatment time and sheet resistance (C) Graph about transmittance for each heat treatment process (visible range: 600 to 900 nm) (D) Graph about sheet resistance strain depending on bending cycle number
Fig. 5 (A)The schematic of tape peeling test (B) Graph about the sheet resistance depending on the times of tape-peeling test (C) Optical image of metallic network before tape-peeling test (D) Optical image of metallic network after tape-peeling test
Fabrication of Transparent Electrode based on Metallic Nanofiber Network via Combined Heat Treatment