Effects of pulsing frequency on characteristics of electrohydrodynamic inkjet using micro-Al and nano-Ag particles

Min Wook Lee; Seongpil An; Na Young Kim; Ju Hyeoung Seo; Joo Youl Huh; Ho Young Kim; Sam S. Yoon

doi:10.1016/j.expthermflusci.2012.11.025

Effects of pulsing frequency on characteristics of electrohydrodynamic inkjet using micro-Al and nano-Ag particles

Min Wook Lee, Seongpil An, Na Young Kim, Ju Hyeoung Seo, Joo Youl Huh, Ho Young Kim, Sam S. Yoon

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

Characteristics of electrohydrodynamic inkjet were examined upon varying the applied voltage and frequency as well as the base-fluid. Low-cost inks are sought and micro-aluminum particle suspensions are candidates. Inclusion of large particles engendered satellite droplets and hence degraded print quality. However, the formation of satellite droplets can be prevented by increasing fluid's viscosity. Droplet sizes were measured as functions of the frequency; the higher the frequency, the smaller the droplet size. The low-cost inks with aluminum particles yielded reasonable performance on comparison with the expensive commercial ink comprised of silver nano-particles in case of printing dots that are a few hundred microns in size.

Original language	English
Pages (from-to)	103-110
Number of pages	8
Journal	Experimental Thermal and Fluid Science
Volume	46
DOIs	https://doi.org/10.1016/j.expthermflusci.2012.11.025
Publication status	Published - 2013 Apr

Keywords

Dot print
Electrohydrodynamic inkjet
Micro-nano-particle
Microdripping

ASJC Scopus subject areas

Chemical Engineering(all)
Nuclear Energy and Engineering
Aerospace Engineering
Mechanical Engineering
Fluid Flow and Transfer Processes

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abstract = "Characteristics of electrohydrodynamic inkjet were examined upon varying the applied voltage and frequency as well as the base-fluid. Low-cost inks are sought and micro-aluminum particle suspensions are candidates. Inclusion of large particles engendered satellite droplets and hence degraded print quality. However, the formation of satellite droplets can be prevented by increasing fluid's viscosity. Droplet sizes were measured as functions of the frequency; the higher the frequency, the smaller the droplet size. The low-cost inks with aluminum particles yielded reasonable performance on comparison with the expensive commercial ink comprised of silver nano-particles in case of printing dots that are a few hundred microns in size.",

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AU - Seo, Ju Hyeoung

AU - Huh, Joo Youl

AU - Kim, Ho Young

AU - Yoon, Sam S.

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