Open Access

Investigation of aerosol droplets diameter generated in aerosol jet printing

Wojciech Łapa

Wojciech Łapa

Faculty of Mechanical Engineering, Wrocław University of Science and TechnologyWrocław, Poland
Search for this author on
Sciendo|Google Scholar
Łapa, Wojciech
, 
Marcin Winnicki

Marcin Winnicki

Faculty of Mechanical Engineering, Wrocław University of Science and TechnologyWrocław, Poland
Search for this author on
Sciendo|Google Scholar
Winnicki, Marcin
 and 
Karolina Orłowska

Karolina Orłowska

Faculty of Mechanical Engineering, Wrocław University of Science and TechnologyWrocław, Poland
Search for this author on
Sciendo|Google Scholar
Orłowska, Karolina
  
Apr 04, 2023
Investigation of aerosol droplets diameter generated in aerosol jet printing's Cover Image
About this article
Previous Article
Next Article
Cite
Download Cover
Published Online: Apr 04, 2023
Page range: 78 - 90
Received: Dec 07, 2022
Accepted: Feb 20, 2023
DOI: https://doi.org/10.2478/msp-2022-0046
Keywords
© 2022 Wojciech Łapa et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

An illustration of the AJP technique. AJP, aerosol jet printing
An illustration of the AJP technique. AJP, aerosol jet printing

Fig. 2

Schematics of generators: (A) ultrasonic and (B) pneumatic
Schematics of generators: (A) ultrasonic and (B) pneumatic

Fig. 3

Exemplary measurement: (A) photo from digital microscope, (B) measurement of the droplets size, (C) cross section of the droplet from AFM, and (D) view from above from AFM. AFM, atomic force microscopy
Exemplary measurement: (A) photo from digital microscope, (B) measurement of the droplets size, (C) cross section of the droplet from AFM, and (D) view from above from AFM. AFM, atomic force microscopy

Fig. 4

Images of the droplets below 1 μm from (A) SEM and (B) AFM. AFM, atomic force microscopy; SEM, scanning electron microscopy
Images of the droplets below 1 μm from (A) SEM and (B) AFM. AFM, atomic force microscopy; SEM, scanning electron microscopy

Fig. 5

SEM images for pneumatic generator 1,800 mbar: (A) 6n ink, (B) 60n ink, (C) 600n ink, AFM images for ultrasonic generator 150 mbar, (D) 6n ultrasonic, (E) 60n ultrasonic, and (F) 600n ultrasonic. AFM, atomic force microscopy; SEM, scanning electron microscopy
SEM images for pneumatic generator 1,800 mbar: (A) 6n ink, (B) 60n ink, (C) 600n ink, AFM images for ultrasonic generator 150 mbar, (D) 6n ultrasonic, (E) 60n ultrasonic, and (F) 600n ultrasonic. AFM, atomic force microscopy; SEM, scanning electron microscopy

Fig. 6

SEM image for pneumatic generator 1,800 mbar 6n ink. SEM, scanning electron microscopy
SEM image for pneumatic generator 1,800 mbar 6n ink. SEM, scanning electron microscopy

Fig. 7

Box plot of measured droplets for (A) ultrasonic generator and (B) pneumatic generator
Box plot of measured droplets for (A) ultrasonic generator and (B) pneumatic generator

Pressures used for the ultrasonic (a) and pneumatic (b) generator

Ink Pressure (mbar)
(a)
6n 50 60 70 80 90 100 110 120 130 140 150
60n 80 90 100 110 120 130 140 150
600n 100 110 120 130 140 150

Properties of the inks

Ink Dynamic viscosity [m·Pa·s] Surface tension [dynes/cm] Density [g/cm3] Silver content [%] Silver powder particles size range [nm]
600n 4.0–5.5 33 0.9–1.1 20 20–100
60n 5.0–6.5 35 0.8–1.0 20 20–100
6n 7.5–10.5 28.5–32.5 1.1–1.3 45 3–8
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Materials Sciences, Materials Sciences, other, Nanomaterials, Functional and Smart Materials, Materials Characterization and Properties
Journal RSS Feed