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Concept Paper Open Access July 10, 2022

Spray Coated Cellulose Nanofiber (CNF) Film as an Eco-Friendly Substrate for Flexible and Printed Electronics

Kirubanandan Shanmugam 1, 2,*
1
Department of Chemical Engineering, Monash University, Melbourne, Australia
2
Department of Biotechnology, Sree Sastha Institute of Engineering and Technology (Affiliated to Anna University, Chennai, India), Chembarabakkam, Chennai – 600123, India
Publihed in: Current Research in Public Health (Volume 1, Issue 1, 2022)
Page(s): 68-81
DOI: 10.31586/ojes.2022.352
Received
May 31, 2022
Revised
June 30, 2022
Accepted
July 08, 2022
Published
July 10, 2022
Keywords
Cellulose nanofiber; Spray Coating; Smooth Surface; Surface Roughness; RMS; Flexible Electronics and Printed Electronics.
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright: Copyright © The Author(s), 2022. Published by Scientific Publications
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Cite This Article

APA Style
Shanmugam, K. (2022). Spray Coated Cellulose Nanofiber (CNF) Film as an Eco-Friendly Substrate for Flexible and Printed Electronics. Current Research in Public Health, 1(1), 68-81. https://doi.org/10.31586/ojes.2022.352
ACS Style
Shanmugam, K. Spray Coated Cellulose Nanofiber (CNF) Film as an Eco-Friendly Substrate for Flexible and Printed Electronics. Current Research in Public Health 2022 1(1), 68-81. https://doi.org/10.31586/ojes.2022.352
Chicago/Turabian Style
Shanmugam, Kirubanandan. 2022. "Spray Coated Cellulose Nanofiber (CNF) Film as an Eco-Friendly Substrate for Flexible and Printed Electronics". Current Research in Public Health 1, no. 1: 68-81. https://doi.org/10.31586/ojes.2022.352
AMA Style
Shanmugam K. Spray Coated Cellulose Nanofiber (CNF) Film as an Eco-Friendly Substrate for Flexible and Printed Electronics. Current Research in Public Health. 2022; 1(1):68-81. https://doi.org/10.31586/ojes.2022.352 
@Article{crph352,
AUTHOR = {Shanmugam, Kirubanandan},
TITLE = {Spray Coated Cellulose Nanofiber (CNF) Film as an Eco-Friendly Substrate for Flexible and Printed Electronics},
JOURNAL = {Current Research in Public Health},
VOLUME = {1},
YEAR = {2022},
NUMBER = {1},
PAGES = {68-81},
URL = {https://www.scipublications.com/journal/index.php/OJES/article/view/352},
ISSN = {2831-5162},
DOI = {10.31586/ojes.2022.352},
ABSTRACT = {Cellulose nanofiber is an eco-friendly nanomaterial used for fabricating various functional materials. It is an alternative for synthetic plastic and other petroleum derived materials. Due to demand of CNF film, fast and rapid method for fabrication of CNF film is required. A new method on spray coating to prepare smooth cellulose nanofiber (CNF) films was developed. In this method, spraying CNF suspension onto a smooth and polished metal surface was carried out and then allowed the spray coated wet film to dry in air under standard laboratory conditions. Spraying has notable advantages such as contour coating and contactless coating with the base substrate. The basis weight and thickness of the CNF film is tailorable by adjusting CNF suspension in spraying process. CNF film prepared via spray coating has unique two-sided surface roughness with the surface in contact with the base substrate or metal side much smoother than the air-contact side. The surface roughness is one of the controlling parameter in the application of the CNF film as a substrate for flexible and printed electronics. The RMS roughness of the two surfaces investigated by Optical Profilometry [OP] was found to be 2087 nm on the rough side and 389 nm on the spray coated side, respectively. The spray coated CNF film has ultra-high smoothness on the side exposed to the polished stainless steel surface. The factors including the size of cellulose fibrils and surface smoothness of base surface that control the roughness of the film are currently being investigated and will be discussed in this chapter. The surface smoothness requirements for substrate applications in flexible and printed electronics will be discussed.},
}
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%A Shanmugam, Kirubanandan
%D 2022
%J Current Research in Public Health

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%M doi:10.31586/ojes.2022.352
%U https://www.scipublications.com/journal/index.php/OJES/article/view/352

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AU  - Shanmugam, Kirubanandan
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AB  - Cellulose nanofiber is an eco-friendly nanomaterial used for fabricating various functional materials. It is an alternative for synthetic plastic and other petroleum derived materials. Due to demand of CNF film, fast and rapid method for fabrication of CNF film is required. A new method on spray coating to prepare smooth cellulose nanofiber (CNF) films was developed. In this method, spraying CNF suspension onto a smooth and polished metal surface was carried out and then allowed the spray coated wet film to dry in air under standard laboratory conditions. Spraying has notable advantages such as contour coating and contactless coating with the base substrate. The basis weight and thickness of the CNF film is tailorable by adjusting CNF suspension in spraying process. CNF film prepared via spray coating has unique two-sided surface roughness with the surface in contact with the base substrate or metal side much smoother than the air-contact side. The surface roughness is one of the controlling parameter in the application of the CNF film as a substrate for flexible and printed electronics. The RMS roughness of the two surfaces investigated by Optical Profilometry [OP] was found to be 2087 nm on the rough side and 389 nm on the spray coated side, respectively. The spray coated CNF film has ultra-high smoothness on the side exposed to the polished stainless steel surface. The factors including the size of cellulose fibrils and surface smoothness of base surface that control the roughness of the film are currently being investigated and will be discussed in this chapter. The surface smoothness requirements for substrate applications in flexible and printed electronics will be discussed.
DO  - Spray Coated Cellulose Nanofiber (CNF) Film as an Eco-Friendly Substrate for Flexible and Printed Electronics
TI  - 10.31586/ojes.2022.352
ER  -