Directly printing high-resolution, high-performance 3D curved electronics based on locally polarized electric-field-driven vertical jetting

IF 10.3 1区 工程技术 Q1 ENGINEERING, MANUFACTURING
Hongke Li , Yirui Li , Guangming Zhang , Yadong Liu , Zhifeng Han , Houchao Zhang , Quan Xu , Jiawei Zhao , Maopeng Jin , Daosen Song , Mingze Sun , Fei Wang , Xiaoyang Zhu , Hongbo Lan
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引用次数: 0

Abstract

The applications of 3D curved electronics, such as conformal antennas, smart aircraft skins, and structural health monitoring, encompass a wide range of applications. However, the integrated fabrication of 3D curved multilayer electronics with high resolution and high performance remains a major challenge, especially on free-form surfaces. Here, a novel conformal 3D printing technique based on locally polarized electric-field-driven (LP-EFD) vertical jet printing has been proposed for the fabrication of high-resolution, high-performance 3D curved electronic devices. The simulation results demonstrate that it has a highly stable and symmetric distributed electric field to produce a steady and vertically downward jet, ensuring high-precision and high-resolution 3D curved/conformal printing. The printing parameters were optimized by exploring their effect on line width and printing consistency. Several typical 3D curved circuits such as single-layer circuit patterns on different curved surface, multilayer circuit patterns on cylindrical structure surfaces, and curved transparent heaters have been printed successfully. The resulting circuits achieve the smallest line width of 8 μm, the largest height difference of 50 mm, and high line width consistency (less than ±3.7 %). The fabricated 3D curved circuit exhibits excellent conductivity of 4.44×107 S/m and high adhesion (resistance changes less than 1 % after 100 times peeling). The proposed fabrication method provides a novel solution for exploring high-resolution 3D curved conformal circuits and curved multilayer electronic devices.
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来源期刊
Additive manufacturing
Additive manufacturing Materials Science-General Materials Science
CiteScore
19.80
自引率
12.70%
发文量
648
审稿时长
35 days
期刊介绍: Additive Manufacturing stands as a peer-reviewed journal dedicated to delivering high-quality research papers and reviews in the field of additive manufacturing, serving both academia and industry leaders. The journal's objective is to recognize the innovative essence of additive manufacturing and its diverse applications, providing a comprehensive overview of current developments and future prospects. The transformative potential of additive manufacturing technologies in product design and manufacturing is poised to disrupt traditional approaches. In response to this paradigm shift, a distinctive and comprehensive publication outlet was essential. Additive Manufacturing fulfills this need, offering a platform for engineers, materials scientists, and practitioners across academia and various industries to document and share innovations in these evolving technologies.
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