Effect of Spray Parameters on Electrical Characteristics of Printed Layer by Morphological Study

Products are manufactured as printed electronics through electro-conductive ink having properties suitable for flexible substrates. As printing process conditions affect the quality of the electronic properties of the final devices, it is essential to understand how the parameters of each process af...

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Bibliographic Details
Published in:Processes 2022-05, Vol.10 (5), p.999
Main Authors: Kim, Gye Hyeon, Shin, Eun Ae, Jung, Je Young, Lee, Jun Young, Lee, Chang Kee
Format: Article
Language:English
Subjects:
Analysis
Carbon
Carbon nanotubes
Cellulose
Cellulose fibers
Circuit printing
Electrical conductivity
Electrical properties
Electrical resistivity
Electronic properties
Lasers
Medical equipment
Morphology
Nanofibers
Nanomaterials
Nanotubes
Nozzles
Parameter modification
Polyethylene terephthalate
Printed circuits
Printing
Process parameters
Production processes
Substrates
Thin films
Velocity
Viscosity
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Summary:Products are manufactured as printed electronics through electro-conductive ink having properties suitable for flexible substrates. As printing process conditions affect the quality of the electronic properties of the final devices, it is essential to understand how the parameters of each process affect print quality. Spray printing, one of several printing processes, suits flexible large-area substrates and continuous processes with a uniform layer for electro-conductive aqueous ink. This study adopted the spray printing process for cellulose nanofiber (CNF)/carbon nanotube (CNT) composite conductive printing. Five spray parameters (nozzle diameter, spray speed, amount of sprayed ink, distance of nozzle to substrate, and nozzle pressure) were chosen to investigate the effects between process parameters and electrical properties relating to the morphology of the printing products. This study observed the controlling morphology through parameter adjustment and confirmed how it affects the final electrical conductivity. It means that the quality of the electronic properties can be modified by adjusting several spray process parameters.
ISSN:2227-9717
2227-9717
DOI:10.3390/pr10050999