One-step photonic curing of screen-printed conductive Ni flake electrodes for use in flexible electronics

Abstract Photonic curing has shown great promise in maintaining the integrity of flexible thin polymer substrates without structural degradation due to shrinkage, charring or decomposition during the sintering of printed functional ink films in milliseconds at high temperatures. In this paper, singl...

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Autores principales:	Bilge Nazli Altay, Vikram S. Turkani, Alexandra Pekarovicova, Paul D. Fleming, Massood Z. Atashbar, Martin Bolduc, Sylvain G. Cloutier
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a2f71ce619d741d5a1479eedce098933
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spelling	oai:doaj.org-article:a2f71ce619d741d5a1479eedce0989332021-12-02T12:14:50ZOne-step photonic curing of screen-printed conductive Ni flake electrodes for use in flexible electronics10.1038/s41598-021-82961-32045-2322https://doaj.org/article/a2f71ce619d741d5a1479eedce0989332021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-82961-3https://doaj.org/toc/2045-2322Abstract Photonic curing has shown great promise in maintaining the integrity of flexible thin polymer substrates without structural degradation due to shrinkage, charring or decomposition during the sintering of printed functional ink films in milliseconds at high temperatures. In this paper, single-step photonic curing of screen-printed nickel (Ni) electrodes is reported for sensor, interconnector and printed electronics applications. Solid bleached sulphate paperboard (SBS) and polyethylene terephthalate polymer (PET) substrates are employed to investigate the electrical performance, ink transfer and ink spreading that directly affect the fabrication of homogeneous ink films. Ni flake ink is selected, particularly since its effects on sintering and rheology have not yet been examined. The viscosity of Ni flake ink yields shear-thinning behavior that is distinct from that of screen printing. The porous SBS substrate is allowed approximately 20% less ink usage. With one-step photonic curing, the electrodes on SBS and PET exhibited electrical performances of a minimum of 4 Ω/sq and 16 Ω/sq, respectively, at a pulse length of 1.6 ms, which is comparable to conventional thermal heating at 130 °C for 5 min. The results emphasize the suitability of Ni flake ink to fabricate electronic devices on flexible substrates by photonic curing.Bilge Nazli AltayVikram S. TurkaniAlexandra PekarovicovaPaul D. FlemingMassood Z. AtashbarMartin BolducSylvain G. CloutierNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Bilge Nazli Altay Vikram S. Turkani Alexandra Pekarovicova Paul D. Fleming Massood Z. Atashbar Martin Bolduc Sylvain G. Cloutier One-step photonic curing of screen-printed conductive Ni flake electrodes for use in flexible electronics
description	Abstract Photonic curing has shown great promise in maintaining the integrity of flexible thin polymer substrates without structural degradation due to shrinkage, charring or decomposition during the sintering of printed functional ink films in milliseconds at high temperatures. In this paper, single-step photonic curing of screen-printed nickel (Ni) electrodes is reported for sensor, interconnector and printed electronics applications. Solid bleached sulphate paperboard (SBS) and polyethylene terephthalate polymer (PET) substrates are employed to investigate the electrical performance, ink transfer and ink spreading that directly affect the fabrication of homogeneous ink films. Ni flake ink is selected, particularly since its effects on sintering and rheology have not yet been examined. The viscosity of Ni flake ink yields shear-thinning behavior that is distinct from that of screen printing. The porous SBS substrate is allowed approximately 20% less ink usage. With one-step photonic curing, the electrodes on SBS and PET exhibited electrical performances of a minimum of 4 Ω/sq and 16 Ω/sq, respectively, at a pulse length of 1.6 ms, which is comparable to conventional thermal heating at 130 °C for 5 min. The results emphasize the suitability of Ni flake ink to fabricate electronic devices on flexible substrates by photonic curing.
format	article
author	Bilge Nazli Altay Vikram S. Turkani Alexandra Pekarovicova Paul D. Fleming Massood Z. Atashbar Martin Bolduc Sylvain G. Cloutier
author_facet	Bilge Nazli Altay Vikram S. Turkani Alexandra Pekarovicova Paul D. Fleming Massood Z. Atashbar Martin Bolduc Sylvain G. Cloutier
author_sort	Bilge Nazli Altay
title	One-step photonic curing of screen-printed conductive Ni flake electrodes for use in flexible electronics
title_short	One-step photonic curing of screen-printed conductive Ni flake electrodes for use in flexible electronics
title_full	One-step photonic curing of screen-printed conductive Ni flake electrodes for use in flexible electronics
title_fullStr	One-step photonic curing of screen-printed conductive Ni flake electrodes for use in flexible electronics
title_full_unstemmed	One-step photonic curing of screen-printed conductive Ni flake electrodes for use in flexible electronics
title_sort	one-step photonic curing of screen-printed conductive ni flake electrodes for use in flexible electronics
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a2f71ce619d741d5a1479eedce098933
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One-step photonic curing of screen-printed conductive Ni flake electrodes for use in flexible electronics

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