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Coatings
Special Issues
UV-Curable Coatings for Flexible/Wearable Electronics
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UV-Curable Coatings for Flexible/Wearable Electronics

A special issue of Coatings (ISSN 2079-6412).

Deadline for manuscript submissions: closed (28 February 2022) | Viewed by 6376

Special Issue Editor

Dr. Byungil Hwang

E-Mail Website
Guest Editor
School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
Interests: sensor; biosensor; fiber sensor; e textile; conductive textile
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Flexible/stretchable/wearable electronics have recently become a very hot topic among researchers. This interest has grown dramatically, not only in the electronics industries but also among the consumers of electronic devices, since the leading electronics companies such as Huawei, Samsung, and LG have started to produce simple types of foldable or rollable displays. The burgeoning interest has accelerated technical developments in flexible/wearable electronics and created greater demand for UV-curable coatings suitable for these advanced electronic devices. To meet the current interests, we are assembling a Special Issue on UV-Curable Coatings for Flexible/Wearable Electronics to encourage researchers and to provide them with a platform to publish their novel studies.

In particular, the topics of interest include but are not limited to:

  • UV-curable coating materials;
  • Applications of UV-curable coatings;
  • Chracterization of UV-curable coatings;
  • Coating method of UV-curable resins.

Prof. Dr. Byungil Hwang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (2 papers)

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Research

9 pages, 3769 KiB  
Article
Effect of Mechanical Properties of Substrates on Flexibility of Ag Nanowire Electrodes under a Large Number of Bending Cycles
by Tae Gwang Yun and Byungil Hwang
Coatings 2021, 11(9), 1074; https://doi.org/10.3390/coatings11091074 - 6 Sep 2021
Cited by 3 | Viewed by 2113
Abstract
Ag nanowire electrodes have attracted considerable attention because of their potential applications in next-generation flexible electronics. However, there is a paucity of studies on the mechanical properties of Ag nanowire electrodes subjected to a large number of bending cycles. In this study, the [...] Read more.
Ag nanowire electrodes have attracted considerable attention because of their potential applications in next-generation flexible electronics. However, there is a paucity of studies on the mechanical properties of Ag nanowire electrodes subjected to a large number of bending cycles. In this study, the effects of the substrate on the mechanical behavior of Ag nanowire electrodes were studied for a high bending frequency. The mechanical reliability of the Ag nanowire electrodes fabricated on a polyethylene terephthalate (PET) substrate was better than that for a polyimide (PI) substrate; the increase in the resistance of the PET-based Ag nanowire electrode was 1.07%, while that of the PI-based one was 1.23%. Nanoindentation tests showed that the elastic modulus of PI was larger than that of PET. This resulted in a lower bending strain on PET-based Ag nanowire electrodes compared to those on PI-based ones, because of the smaller distance from the neutral plane of the PET-based system. Our study showed that the mechanical properties of the substrate influenced the strain imposed on the thin layer on the substrates, which, in turn, determines the mechanical reliability of the thin-layer/substrate multilayer system. Full article
(This article belongs to the Special Issue UV-Curable Coatings for Flexible/Wearable Electronics)
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10 pages, 2336 KiB  
Article
Meyer-Rod Coated 2D Single-Crystalline Copper Nanoplate Film with Intensive Pulsed Light for Flexible Electrode
by Myeongjong Go, Asrar Alam, Ho Kwang Choie, Zhaoyang Zhong, Keun Hyung Lee, Youngjae Seo, Byungil Hwang, Kyoohee Woo, Tae-Wook Kim and Sooman Lim
Coatings 2020, 10(1), 88; https://doi.org/10.3390/coatings10010088 - 20 Jan 2020
Cited by 3 | Viewed by 4596
Abstract
Copper is widely used because it is inexpensive, abundant, and highly conductive. However, most copper used in industrial coating processes is in the form of circular powder, which is problematic for large area, high conductive coatings. In this work, 2D single-crystalline Cu nanoplates [...] Read more.
Copper is widely used because it is inexpensive, abundant, and highly conductive. However, most copper used in industrial coating processes is in the form of circular powder, which is problematic for large area, high conductive coatings. In this work, 2D single-crystalline Cu nanoplates (Cu NPLs) were synthesized and a systematic study on coating with large-scale Cu NPLs using a Meyer-rod coating process was performed. The rheological behaviors of the Cu solution with various concentrations, surface tensions, and speeds were analyzed using Ca and Re numbers to optimize coating conditions. In addition, the effect of intensive pulse light (IPL) to sinter the coper film within a 1 s timeframe was also investigated in order to be able to produce an electrode in the shortest possible time which is applicable to industry. Finally, the Meyer-rod coated electrode was utilized in an electrochemical luminescence (ECL) device. Full article
(This article belongs to the Special Issue UV-Curable Coatings for Flexible/Wearable Electronics)
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