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Related Experiment Video

Updated: May 15, 2026

High-resolution Patterning Using Two Modes of Electrohydrodynamic Jet: Drop on Demand and Near-field Electrospinning

High-resolution Patterning Using Two Modes of Electrohydrodynamic Jet: Drop on Demand and Near-field Electrospinning

Published on: July 10, 2018

Mechanical pulling force and alternating current comodulation electrohydrodynamic printing.

Dazhi Wang^1,2,3,4, Chang Liu^1,2, Xu Chen^1,2

¹State Key Laboratory of High-Performance Precision Manufacturing, Dalian University of Technology, Dalian 116024, China.

Science Advances

|May 13, 2026

Summary

This summary is machine-generated.

We developed a mechanical pulling force and alternating current comodulation electrohydrodynamic (MAC-EHD) printing method for precise deposition of high-viscosity paste. This technique enhances resolution and stability, enabling superior performance in printed electronics.

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Last Updated: May 15, 2026

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Area of Science:

Materials Science
Electrical Engineering
Fluid Dynamics

Background:

Precise printing of high-viscosity paste on insulating substrates remains challenging.
Existing methods struggle with resolution and process control for viscous materials.

Purpose of the Study:

To introduce a novel printing method for high-viscosity paste with enhanced precision.
To improve printing resolution and process stability.
To develop a predictive model for process parameter control.

Main Methods:

Mechanical pulling force and alternating current comodulation electrohydrodynamic (MAC-EHD) printing.
Synergistic application of mechanical pulling force and electric field force.
In situ charge neutralization using an alternating electric field.
Development of a high-precision prediction model for MAC-EHD process parameters.

Main Results:

The MAC-EHD method refines liquid bridges, significantly improving printing resolution.
Alternating electric fields enhance process stability through in-situ charge neutralization.
The prediction model successfully determines optimal process parameters for MAC-EHD printing.
Flexible transparent conductive panels fabricated showed superior performance.

Conclusions:

MAC-EHD printing offers high resolution and molding accuracy for high-viscosity paste.
The developed prediction model aids in controlling MAC-EHD printing parameters.
This technology advances the fabrication of high-performance printed electronics.