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Electronics
Special Issues
Advanced Electromaterials and Its Application
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Advanced Electromaterials and Its Application

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (1 March 2024) | Viewed by 1640

Special Issue Editors

Prof. Dr. Junsin Yi

E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 16419, Korea
Interests: crystalline silicon solar cells; thin film silicon solar cell
Prof. Dr. Jaehyeong Lee

E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 16419, Korea
Interests: ultra high efficiency solar cells based on heterojunctions and multi-junctions; thermochromic and electrochromic films for energy saving smart windows; high power PV modules and floating PV systems
Prof. Dr. Hongsub Jee

E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
Interests: photodiode; electronic materials and devices; solar cell
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the emergence of new technologies, advanced electromaterials are now receiving worldwide attention and can now provide useful property for various applications, such as nanostructured devices, energy harvesting, sensors, displays, optoelectronics, and composite materials. The International Conference on Advanced Electromaterials 2023 (https://2023.icae.kr) is an excellent opportunity for experts and researchers in the field of advanced electromaterials and applications. Papers published in the Special Issue “Advanced Electromaterials and its Application” will focus on recent advances in dielectric materials and applications, energy harvesting and advanced photovoltaic devices, next generation battery, nanostructured devices, advanced devices for fuel cell and electrolysis, oxide semiconductor for electronics and energy applications, power electronics, thin film devices, two-dimensional van der Waals materials, applications of functional materials, functional and magnetic composite materials, and characterization of functional materials.

This Special Issue of Electronics will attempt to cover the recent advancements in applications of advanced materials.

Prof. Dr. Junsin Yi
Prof. Dr. Jaehyeong Lee
Prof. Dr. Hongsub Jee
Guest Editors

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. Electronics is an international peer-reviewed open access semimonthly 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 2400 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.

Keywords

  • advanced materials
  • energy harvesting
  • nanostructures
  • semiconductor
  • thin film
  • optoelectronics
  • electronic devices

Published Papers (2 papers)

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Research

13 pages, 9201 KiB  
Article
Diagnostics of Piezoelectric Bending Actuators Subjected to Varying Operating Conditions
by Osarenren Kennedy Aimiyekagbon, Amelie Bender, Tobias Hemsel and Walter Sextro
Electronics 2024, 13(3), 521; https://doi.org/10.3390/electronics13030521 - 27 Jan 2024
Viewed by 588
Abstract
In applications of piezoelectric actuators and sensors, the dependability and particularly the reliability throughout their lifetime are vital to manufacturers and end-users and are enabled through condition-monitoring approaches. Existing approaches often utilize impedance measurements over a range of frequencies or velocity measurements and [...] Read more.
In applications of piezoelectric actuators and sensors, the dependability and particularly the reliability throughout their lifetime are vital to manufacturers and end-users and are enabled through condition-monitoring approaches. Existing approaches often utilize impedance measurements over a range of frequencies or velocity measurements and require additional equipment or sensors, such as a laser Doppler vibrometer. Furthermore, the non-negligible effects of varying operating conditions are often unconsidered. To minimize the need for additional sensors while maintaining the dependability of piezoelectric bending actuators irrespective of varying operating conditions, an online diagnostics approach is proposed. To this end, time- and frequency-domain features are extracted from monitored current signals to reflect hairline crack development in bending actuators. For validation of applicability, the presented analysis method was evaluated on piezoelectric bending actuators subjected to accelerated lifetime tests at varying voltage amplitudes and under external damping conditions. In the presence of a crack and due to a diminished stiffness, the resonance frequency decreases and the root-mean-square amplitude of the current signal simultaneously abruptly drops during the lifetime tests. Furthermore, the piezoelectric crack surfaces clapping is reflected in higher harmonics of the current signal. Thus, time-domain features and harmonics of the current signals are sufficient to diagnose hairline cracks in the actuators. Full article
(This article belongs to the Special Issue Advanced Electromaterials and Its Application)
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12 pages, 3273 KiB  
Article
Organic Light-Emitting Diodes Laminated with a PEI Adhesion Layer
by Dong-Heon Yoo and Cheol-Hee Moon
Electronics 2024, 13(1), 128; https://doi.org/10.3390/electronics13010128 - 28 Dec 2023
Viewed by 579
Abstract
For the all-solution-processed organic light-emitting diode (OLED), manufacturing the cathode and lowering the work function of the cathode are the main problems limiting their commercialization. This paper reports a two-substrate bonding technology using hot roller lamination with improvement points to solve the existing [...] Read more.
For the all-solution-processed organic light-emitting diode (OLED), manufacturing the cathode and lowering the work function of the cathode are the main problems limiting their commercialization. This paper reports a two-substrate bonding technology using hot roller lamination with improvement points to solve the existing problems. Ag was used to manufacture the cathode because it is less oxidative compared to Al, which has previously been used conventionally. We tried to use polyethylene imine (PEI), which is conventionally used as an electron injection layer (EIL), as an adhesive layer for the bonding, as it has the quality of being sticky. At higher PEI concentrations, the adhesion strength increased, but the electrical properties deteriorated. Therefore, the PEI wt% was decreased and mixed with polyethylene glycol (PEG), which was reported to lower the work function of the metallic surface. The results showed that the mixed solution of PEI and PEG had good adhesion and electrical properties. The device with an interfacial layer consisting of a 0.1 wt% PEI and 0.01 wt% PEG mixture turned on at 6 V and had a maximum luminance of 2700 cd/m2. The mixed solution layer provided a similar luminous characteristic for single- and double-substrate devices, highlighting the potential of fabricating all-solution-processed OLEDs using the two-substrate bonding technology. Full article
(This article belongs to the Special Issue Advanced Electromaterials and Its Application)
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