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Sung-Hoon Choa 2 Articles
500 Highly Stretchable Strain Sensor with a High and Broad Sensitivity Composed of Carbon Nanotube and Ecoflex Composite
카본나노튜브/Ecoflex 복합체로 제작된 고신축성 및 고감도 신축성 스트레인 센서
Yuhwan Hwangbo, Hyun Jin Nam, Sung-Hoon Choa
황보유환, 남현진, 좌성훈
Korean J. Met. Mater. 2023;61(7):500-508.   Published online 2023 Jun 21
DOI: https://doi.org/10.3365/KJMM.2023.61.7.500

Abstract
Wearable strain sensors with high and broad sensitivity, high stretchability and excellent mechanical endurance will be widely useful in smart wearable electronics. In this work, we developed a stretchable strain sensor fabricated with a simple stencil printing technique. The stretchable strain sensor was fabricated using a multi-walled carbon nanotubes (MWCNTs)-Ecoflex..... More

                   Web of Science 4  Crossref 4
626 Graphene Oxide Coated Silver Nanofiber Transparent Conducting Electrode
전기방사법을 이용한 산화 그래핀-은 나노섬유 투명전극
Jae Young Hyeon, Sung-Hoon Choa, Kyoung Wan Park, Jung Hyun Sok
현재영, 좌성훈, 박경완, 석중현
Korean J. Met. Mater. 2020;58(9):626-632.   Published online 2020 Aug 19
DOI: https://doi.org/10.3365/KJMM.2020.58.9.626

Abstract
We fabricated a transparent conducting electrode composed of graphene oxide (GO) and silver (Ag) nanofibers. The graphene oxide was spray-coated on the Ag nanofiber film, which was fabricated by electrospinning process. Ag/poly(vinyl alcohol) ink was fabricated in a polymer matrix solution using the solgel method. The sprayed film was sintered..... More

                   Web of Science 4  Crossref 5
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