Designer patterned functional fibers via direct imprinting in thermal drawing

Zhe Wang, Tingting Wu, Zhixun Wang, Ting Zhang (), Mengxiao Chen, Jing Zhang, Lin Liu, Miao Qi, Qichong Zhang, Jiao Yang, Wei Liu, Haisheng Chen, Yu Luo and Lei Wei ()
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Zhe Wang: Nanyang Technological University
Tingting Wu: Nanyang Technological University
Zhixun Wang: Nanyang Technological University
Ting Zhang: Chinese Academy of Sciences
Mengxiao Chen: Nanyang Technological University
Jing Zhang: Nanyang Technological University
Lin Liu: Nanyang Technological University
Miao Qi: Nanyang Technological University
Qichong Zhang: Nanyang Technological University
Jiao Yang: Nanyang Technological University
Wei Liu: Nanyang Technological University
Haisheng Chen: Chinese Academy of Sciences
Yu Luo: Nanyang Technological University
Lei Wei: Nanyang Technological University

Nature Communications, 2020, vol. 11, issue 1, 1-9

Abstract: Abstract Creating micro/nanostructures on fibers is beneficial for extending the application range of fiber-based devices. To achieve this using thermal fiber drawing is particularly important for the mass production of longitudinally uniform fibers up to tens of kilometers. However, the current thermal fiber drawing technique can only fabricate one-directional micro/nano-grooves longitudinally due to structure elongation and polymer reflow. Here, we develop a direct imprinting thermal drawing (DITD) technique to achieve arbitrarily designed surface patterns on entire fiber surfaces with high resolution in all directions. Such a thermal imprinting process is simulated and confirmed experimentally. Key process parameters are further examined, showing a process feature size as small as tens of nanometers. Furthermore, nanopatterns are fabricated on fibers as plasmonic metasurfaces, and double-sided patterned fibers are produced to construct self-powered wearable touch sensing fabric, revealing the bright future of the DITD technology in multifunctional fiber-based devices, wearable electronics, and smart textiles.

Date: 2020
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DOI: 10.1038/s41467-020-17674-8

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