Electrohydrodynamic Printing via Spinneret with Conductive Probe

Yi Hong Lin; Guang Qi He; Hai Yan Liu; Jin Wei; Jian Yi Zheng; Gao Feng Zheng; Dao Heng Sun

doi:10.4028/www.scientific.net/KEM.562-565.1155

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 562-565Electrohydrodynamic Printing via Spinneret with...

Electrohydrodynamic Printing via Spinneret with Conductive Probe

Abstract:

Stability jet ejection and precision deposition are the two keys for industrial application of electrohydrodynamic printing. In this paper, inserted conductive probe is utilized to gain stability jet, which would increase the electrical field strength, reduce the back flow, onset and sustaining voltage. Lower applied voltage would enhance the stability of electrospun jet, in which fine jet can be used to direct-write orderly Micro/Nano-structure. With the guidance and constrain of inserted probe, the oscillating angle range of electrohydrodynamic jet is decreased to 3°from 15°, and the width of printed structures is 21μm in average that is much narrower than that printed from spinneret without probe (74μm in average). Spinneret with tip provides a good way to improve the control level of electrohydrodynamic printing, which would accelerate the industrial application of electrohydrodynamic printed Micro/Nano structure.

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Periodical:

Key Engineering Materials (Volumes 562-565)

Pages:

1155-1160

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.562-565.1155

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Online since:

July 2013

Authors:

Yi Hong Lin, Guang Qi He, Hai Yan Liu, Jin Wei, Jian Yi Zheng, Gao Feng Zheng, Dao Heng Sun

Keywords:

Electrohydrodynamic Printing, Inserted Probe, Jetting Stability, Micro/Nano-Structures, Onset Voltage

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