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구성원
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·인용수 7
·2025
Easy‐to‐morph printable conductive Marangoni‐driven 3D microdome geometries for fingertip‐curved e‐skin array with an ultragentle linear touch
Seung Hwan Jeon, Hyeongho Min, Gui Won Hwang, Jihun Son, Hyunjin Kim, Da Wan Kim, Yeon Soo Lee, Chang Hyun Park, C. B. Lee, H. H. F. Choi, Jin-Seok Jang, Bo‐Gyu Bok, Tae‐Heon Yang, Minseok Kim, Changhyun Pang
InfoMat
초록

Abstract Continuously printable electronics have the significant advantage of being efficient for fabricating conductive polymer composites; however, the precise tailoring of the 3D hierarchical morphology of conductive nanocomposites in a simple dripping step remains challenging. Here, we introduce a one‐step direct printing technique to construct diverse microdome morphologies influenced by the interfacial Marangoni effect and nanoparticle interactions. Using a jet dispenser for continuous processing, we effectively fabricated a soft epidermis‐like e‐skin containing 64 densely arrayed pressure sensing pixels with a hierarchical dome array for enhanced linearity and ultrasensitivity. The e‐skin has 36 temperature‐sensing pixels in the outer layer, with a shield‐shaped dome that is insensitive to pressure stimuli. Our prosthetic finger inserted with the printed sensor arrays was capable of ultragentle detection and manipulation, such as stably holding a fragile biscuit, using a soft dropper to elaborately produce water droplets and harvesting soft fruits; these activities are challenging for existing high‐sensitivity tactile sensors. image

키워드
Marangoni effect3d printer3d printedComputer scienceComputer graphics (images)PhysicsMechanicsMechanical engineeringEngineeringBiomedical engineering
타입
article
IF / 인용수
- / 7
게재 연도
2025

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