• Title/Summary/Keyword: advanced materials

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A study on the low temperature process of ITO film by magnetron sputtering (Magnetron Sputtering 법으로 증착한 ITO 박막의 저온공정에 관한 연구)

  • Choe, Dong-Hun;Geum, Min-Jong;Lee, Gyo-Ung;Kim, Gap-Seok;Han, Jeon-Geon
    • Proceedings of the Korean Institute of Surface Engineering Conference
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    • 2007.04a
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    • pp.139-140
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    • 2007

  • 본 연구에서는 ion bombardment에 의한 폴리머 기판의 손상을 줄이기 위해 FTS (Facing Target Sputtering) 장치를 이용하여 투명 전극용 ITO 박막을 합성하였다. 산소와 헬륨의 혼합비율을 변수로 하여 박막을 합성한 결과, 투명전극에 적합한 낮은 비저항과 80% 이상의 투과도를 갖는 박막을 합성할 수 있었다.

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Capillarity-Driven Self-Assembly of Silver Nanowires-Coated Fibers for Flexible and Stretchable Conductor

  • Li, Yi;Chen, Jun;Han, Xiao;Li, Yinghui;Zhang, Ziqiang;Ma, Yanwen
    • Nano
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    • v.13 no.12
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    • pp.1850146.1-1850146.9
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    • 2018

  • The rapid development of smart textiles requires the large-scale fabrication of conductive fibers. In this study, we develop a simple, scalable and low-cost capillary-driven self-assembly method to prepare conductive fibers with uniform morphology, high conductivity and good mechanical strength. Fiber-shaped flexible and stretchable conductors are obtained by coating highly conductive and flexible silver nanowires (Ag NWs) on the surfaces of yarn and PDMS fibers through evaporation-induced flow and capillary-driven self-assembly, which is proven by the in situ optical microscopic observation. The density of Ag NWs and linear resistance of the conductive fibers could be regulated by tuning the assembly cycles. A linear resistance of $1.4{\Omega}/cm$ could be achieved for the Ag NWs-coated nylon, which increases only 8% after 200 bending cycle, demonstrating high flexibility and mechanical stability. The flexible and stretchable conductive fibers have great potential for the application in wearable devices.

  • https://doi.org/10.1142/S1793292018501461 인용