High-Resolution Printing of 3D Structures Using an Electrohydrodynamic Inkjet with Multiple Functional Inks.
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Advanced materials (Deerfield Beach, Fla.), ISSN: 1521-4095, Vol: 27, Issue: 29, Page: 4322-8
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- Materials Science; Engineering; 3D printing; electrohydrodynamics; flexible electronics; inkjet; printed electronics
Electrohydrodynamic-inkjet-printed high-resolution complex 3D structures with multiple functional inks are demonstrated. Printed 3D structures can have a variety of fine patterns, such as vertical or helix-shaped pillars and straight or rounded walls, with high aspect ratios (greater than ≈50) and narrow diameters (≈0.7 μm). Furthermore, the formation of freestanding, bridge-like Ag wire structures on plastic substrates suggests substantial potentials as high-precision, flexible 3D interconnects.