Inkjet-Printed Thin Film Devices

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

Deadline for manuscript submissions: closed (20 January 2021) | Viewed by 2735

Special Issue Editor


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Guest Editor
Photo-Electronic Hybrids Research Center, Korea Institute of Science and Technology, Seoul 02792, South Korea
Interests: printed electronics; wearable electronics; thin-film devices

Special Issue Information

Dear Colleagues,

We would like to kindly invite you to submit your work to this Special Issue on "Inkjet-Printed Thin Film Devices". As the demands for wearable or implantable devices/systems increase, new solutions in terms of suitable materials and processes are highly desirable. In particular, future electronics may need to be free from rigid substrates fabricated through a series of subtractive processes, such as traditional evaporation processes with masks or photolithography followed by etching. In other words, devices should be implemented on substrates other than limited rigid silicon or glass, and miniaturized even at additional cost. Because representative wearable platforms, such as polymer-based substrates, are difficult to utilize in traditional microfabrication, the development of alternative processes that can be employed for implementing low-cost, large-area, flexible, and biocompatible electronics is key to meet this demand. Additive inkjet printing is one of the most promising candidates to satisfy these requirements and is a well-suited strategy to implement commercial thin film devices and systems because of its large-area, ultra-low-cost, non-vacuum, and environmentally friendly processability. Moreover, recent inkjet printing technique has high registration accuracy, which allows the fabrication of devices with complex stacked structures without masks. Finally, because inkjet printing is a type of drop-on-demand digital printing, physically pre-encoded patterns in rollers or plates are not required; therefore, customized production and short print runs with rapid design changes can be achieved with much freedom.

The aim of this Special Issue is to present advanced printable materials as well as the state-of-the-art of inkjet-printed thin film devices and solution-processed flexible electronics that combine these fundamental and applied research topics. These include, but are not limited to:

  • Inkjet-printed organic/inorganic thin-film transistors
  • Inkjet-printed light-emitting devices
  • Inkjet-printed sensors
  • Inkjet-printed bioelectronic devices
  • Inkjet-printable materials
  • Other advanced printing techniques
  • A wide range of printed electronics
  • Flexible/stretchable platforms suitable to printing process

Dr. Seungjun Chung
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 (1 paper)

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Research

10 pages, 9040 KiB  
Article
Flexible Structural Color Films Based on Electro-Hydrodynamic Inkjet Printing
by Ju-Hwan Choi, Ju-Hun Ahn and Chang-Yull Lee
Coatings 2021, 11(3), 277; https://doi.org/10.3390/coatings11030277 - 26 Feb 2021
Cited by 1 | Viewed by 2337
Abstract
Structural coloration based on nanostructures is one of the alternatives that can prevent environmental pollution compared to the use of chemically synthesized materials. This technique has attracted considerable attention for various applications, including displays and sensors. In this study, a photonic crystal structure [...] Read more.
Structural coloration based on nanostructures is one of the alternatives that can prevent environmental pollution compared to the use of chemically synthesized materials. This technique has attracted considerable attention for various applications, including displays and sensors. In this study, a photonic crystal structure based on spherical silica was formed to provide structural color using an electro-hydrodynamic (EHD) equipment, a printed electronic system attracting considerable interest. The EHD inkjet printing equipment could print micro- and nanostructures using the voltage applied between the nozzle and substrate. Silica-based ink samples were prepared for use in the EHD equipment. Appropriate printing parameters for the EHD inkjet printing were set using the prepared sample. Spherical silica was printed on a polyimide (PI) film layer. The spherical silica nanoparticles discharged during the EHD inkjet printing were not deformed by the EHD process. A photonic crystal structure was formed on a polydimethylsiloxane (PDMS) layer by EHD printing by covering the PDMS layer on the PI film. The spherical-silica-based photonic crystal structure formed on the PDMS layer with elasticity and flexibility exhibited a color change with bending loads. Full article
(This article belongs to the Special Issue Inkjet-Printed Thin Film Devices)
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