Abstract
Abstract E-jet printing is a micro- and nano-manufacturing technique that utilizes electric field-induced fluid jet printing for achieving better control and resolution than traditional jet printing processes. In addition to high printing resolution, E-jet printing has advantages in some aspects such as wide material applicability, which has been successfully applied in numerous applications that include sensors, transistors, tissue engineering scaffolds, and photonic devices. This article reviews the electrohydrodynamic jet (E-jet) printing technology, which mainly relies on the principle of electrohydrodynamic-induced fluid movement. At the same time, the process of jet formation and droplet deposition is described. The parameters, nozzle design, and ink characteristics of the jet printing process are summarized. Then, a number of concrete applications based on E-jet printing processes are described in this article. Finally, the future development of this technology has been prospected.
Highlights
The technology of fabricating structures at microscale and nanoscale is critical to many existing and emergingGraphical abstract industries
Microfabrication/nanofabrication based on photolithography and soft lithography is mainly focused on manufacturing 2D structures, which cannot meet the increasing demand for 3D structures such as flexible electronic devices, stents, and so on
electrohydrodynamic jet (E-jet) printing is the result of the coupling of various forces such as electrostatic force and surface tension
Summary
As a typical additive manufacturing process, the inkjet printing method can realize the deposition and patterning of functional materials in a drop-ondemand manner. It has attracted great attention in the manufacture of flexible electronic devices since electronic materials provide huge opportunities for the printing technology. The traditional inkjet printing technology is limited by the size of the inner diameter of the nozzle, and the size of. Small droplets require a greater driving force, and it is difficult to print high-viscosity materials The existence of these limitations makes inkjet printing difficult to meet the urgent needs of the manufacturing field of micronano devices.
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