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Soft Electronics by Inkjet Printing Metal Inks on Porous Substrates

  • Soft electronic devices enable new types of products for an ergonomic interaction of humans with a digital environment. The inkjet (droplet on demand) printing of electrically conductive ink on soft substrates such as paper, textile, and polymers is a promising route for the prototyping and small-scale production of soft electronics that is efficient, cost-saving, and provides a rapid turnaround due to its fully digital workflow. The choice of materials and processing parameters is challenging, however, due to the combined complexity of metal-containing inks, their dynamics during droplet ejection, the active role of the porous substrate, and possible post-deposition steps. This review focuses on recent developments in inkjet printing of metal inks onto soft, porous substrates and their applications. The first section discusses the general principles in the inkjet printing of metal inks, including drop formation and jetting, wetting, and post treatment processes. The second section deals with the effect that the porosity of substrates has on the drying, diffusion, and adhesion of inks. Finally, current challenges and achievements of inkjet-printed, metal-containing inks are discussed.

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Metadaten
Document Type:Article
Author:Dong Jin KangORCiD, Lola González-GarcíaORCiD, Tobias KrausORCiD
URN:urn:nbn:de:bsz:291:415-1108
DOI:https://doi.org/10.1088/2058-8585/ac8360
Parent Title (English):Flexible and Printed Electronics
Volume:7
First Page:033001
Language:English
Year of first Publication:2022
Release Date:2022/08/12
Tag:conductive ink; inkjet printing; porous substrate; printed electronics; soft electronics
Impact:03.588 (2021)
Funding Information:German Federation of Industrial Research Associations (AiF) (IGF No. 19957 'IGLU').
Scientific Units:Structure Formation
Electrofluids
DDC classes:500 Naturwissenschaften und Mathematik / 540 Chemie
Open Access:Open Access
Signature:INM 2022/069
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International