Tailored Nanopatterning by Controlled Continuous Nanoinscribing with Tunable Shape, Depth, and DimensionClick to copy article linkArticle link copied!
- Dong Kyo OhDong Kyo OhDepartment of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Seoul 01811, KoreaMore by Dong Kyo Oh
- Seungjo LeeSeungjo LeeDepartment of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Seoul 01811, KoreaMore by Seungjo Lee
- Seung Hu LeeSeung Hu LeeDepartment of Energy Systems Research, Ajou University, Suwon 16499, KoreaMore by Seung Hu Lee
- Wonseok LeeWonseok LeeDepartment of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Seoul 01811, KoreaMore by Wonseok Lee
- Gyubeom YeonGyubeom YeonDepartment of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Seoul 01811, KoreaMore by Gyubeom Yeon
- Nayeong LeeNayeong LeeDepartment of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Seoul 01811, KoreaResearch Center for Electrical and Information Technology, Seoul National University of Science and Technology, Seoul 01811, KoreaMore by Nayeong Lee
- Kang-Soo HanKang-Soo HanDisplay Research Center, Samsung Display, Co., Ltd., Gyeonggi-do 17113, KoreaMore by Kang-Soo Han
- Sunmin JungSunmin JungDepartment of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Seoul 01811, KoreaMore by Sunmin Jung
- Dong Ha KimDong Ha KimDepartment of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Seoul 01811, KoreaMore by Dong Ha Kim
- Dae-Young LeeDae-Young LeeDisplay Research Center, Samsung Display, Co., Ltd., Gyeonggi-do 17113, KoreaMore by Dae-Young Lee
- Sang Hoon LeeSang Hoon LeeDepartment of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Seoul 01811, KoreaResearch Center for Electrical and Information Technology, Seoul National University of Science and Technology, Seoul 01811, KoreaMore by Sang Hoon Lee
- Hui Joon Park*Hui Joon Park*E-mail: [email protected] (H.J.P.).Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, KoreaMore by Hui Joon Park
- Jong G. Ok*Jong G. Ok*E-mail: [email protected] (J.G.O.).Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Seoul 01811, KoreaMore by Jong G. Ok
Abstract

We present that the tailored nanopatterning with tunable shape, depth, and dimension for diverse application-specific designs can be realized by utilizing controlled dynamic nanoinscribing (DNI), which can generate bur-free plastic deformation on various flexible substrates via continuous mechanical inscription of a small sliced edge of a nanopatterned mold in a compact and vacuum-free system. Systematic controlling of prime DNI processing parameters including inscribing force, temperature, and substrate feed rate can determine the nanopattern depths and their specific profiles from rounded to angular shapes as a summation of the force-driven plastic deformation and heat-driven thermal deformation. More complex nanopatterns with gradient depths and/or multidimensional profiles can also be readily created by modulating the horizontal mold edge alignment and/or combining sequential DNI strokes, which otherwise demand laborious and costly procedures. Many practical user-specific applications may benefit from this study by tailor-making the desired nanopattern structures within desired areas, including precision machine and optics components, transparent electronics and photonics, flexible sensors, and reattachable and wearable devices. We demonstrate one vivid example in which the light diffusion direction of a light-emitting diode can be tuned by application of specifically designed DNI nanopatterns.
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