Techno Press
Techno Press

Advances in Nano Research
  Volume 12, Number 2, February 2022 , pages 151-165
DOI: https://doi.org/10.12989/anr.2022.12.2.151
 


Exploring precise deposition and influence mechanism for micro-scale serpentine structure fiber
Han Wang, Weicheng Ou, Huiyu Zhong, Jingfan He, Zuyong Wang, Nian Cai, XinDu Chen, Zengxi Xue, Jianxiang Liao, Daohua Zhan, Jingsong Yao and Peixuan Wu

 
Abstract
    Micro-scale serpentine structure fibers are widely used as flexible sensor in the manufacturing of micro-nano flexible electronic devices because of their outstanding non-linear mechanical properties and organizational flexibility. The use of melt electrowriting (MEW) technology, combined with the axial bending effect of the Taylor cone jet in the process, can achieve the micro-scale serpentine structure fibers. Due to the interference of the process parameters, it is still challenging to achieve the precise deposition of micro-scale and high-consistency serpentine structure fibers. In this paper, the micro-scale serpentine structure fiber is produced by MEW combined with axial bending effect. Based on the controlled deposition of MEW, applied voltage, collector speed, nozzle height and nozzle diameter are adjusted to achieve the precise deposition of micro-scale serpentine structure fibers with different morphologies in a single motion dimension. Finally, the influence mechanism of the above four parameters on the precise deposition of micro-scale serpentine fibers is explored.
 
Key Words
    axial bending effect; melt electrowriting; precise deposition; serpentine structure
 
Address
Han Wang, Weicheng Ou, Jingfan He, Nian Cai, XinDu Chen, Zengxi Xue, Daohua Zhan, Jingsong Yao and Peixuan Wu: State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, Guangdong University of Technology, Guangzhou 510006, P.R. China/ Guangdong Provincial Key Laboratory of Micro-Nano Manufacturing Technology and Equipment, Guangdong University of Technology, Guangzhou 510006, P.R. China

Zuyong Wang: College of Materials Science and Engineering, College of Biology, Hunan University, Changsha 410072, P.R. China

Jianxiang Liao: Guangdong Foshan Nanofiberlabs Co., Ltd, Foshan 528000, P.R. China
 

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