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Organic Photonics/Electronics: Materials, Processes, and Devices

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (20 March 2023) | Viewed by 2191

Special Issue Editor


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Guest Editor
Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an 710072, China
Interests: optoelectronic materials; OLED, OPV, and OFET; photo- and mechano-responsive materials

Special Issue Information

Dear Colleagues,

Organic electronics is a research field that fabricates organic/inorganic electronic devices on flexible/ductile substrates. Due to properties such as conformability, wearability, implantability, and portability, flexible electronics have shown great research and application value at the forefront of the multidisciplinary integration field. Research in flexible electronics plays a vital role in the advancement of materials. In this context, this Special Issue aims to provide a forum for researchers in academia and industry to explore new mechanisms of flexible material performance; provide guidance for the design of high-performance flexible materials; and develop new approaches to multifunctional flexible electronic materials and technology. This will further promote the basic research and development of related flexible optoelectronic functional materials.

This Special Issue seeks to showcase short communications, research papers, and review articles that focus on discussing the latest progress in flexible electronic materials and welcomes submissions from multiple disciplines, such as physics, photonics, electronics, and engineering, including the latest research results for flexible electronic materials and cutting-edge work on flexible design and form factors.

Prof. Dr. Tao Yu
Guest Editor

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Keywords

  • organic electronics
  • OLEDs
  • OPVs
  • organic flexible electronic materials and devices
  • organic mechanoluminescence
  • photochomric materials

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Published Papers (1 paper)

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Research

7 pages, 1849 KiB  
Article
A Fully-Encircled Polymerized Microfiber Bragg Grating by 3D Femtosecond Laser Nanofabrication
by Fei Xie, Lili Liang, Kang Yang, Sumei Jia, Zhihui Wang, Li Li, Wei Wang, Miaomiao Wang, Guoyu Li and Yan Li
Materials 2022, 15(21), 7753; https://doi.org/10.3390/ma15217753 - 3 Nov 2022
Cited by 7 | Viewed by 1781
Abstract
Through the merits of the arbitrary three-dimensional (3D) fabrication ability and nanoscale resolution of two-photon polymerization, we demonstrated a fully encircled polymerized microfiber Bragg grating using 3D femtosecond laser nanofabrication. In order to generate strong enough polymer Bragg grating units around the microfiber [...] Read more.
Through the merits of the arbitrary three-dimensional (3D) fabrication ability and nanoscale resolution of two-photon polymerization, we demonstrated a fully encircled polymerized microfiber Bragg grating using 3D femtosecond laser nanofabrication. In order to generate strong enough polymer Bragg grating units around the microfiber surface, and to possess a possible smaller unit pitch and structure size, the composition of photoresist and grating dimensions were both experimentally optimized. A fast-curing, high-adhesion, great-heat-resistant acrylate monomer EQ4PETA was chosen as the cross-linking element, and a high-efficiency photoinitiator DETC was used. Along the tapered microfiber with a diameter of 2 microns, dozens of grating units of 300 nm thickness were successively fabricated. The resonance wavelength was approximately 1420 nm, with a unit pitch of 1 μm, slightly different with varying unit pitches. The refractive index sensitivity reached up to ~440 nm/RIU, which is much higher than other microfiber grating sensors. We also measured the temperature and strain sensitivity of this fully encircled microfiber Bragg grating, and this was estimated at 88 pm/°C and 6.3 pm/µε. It is foreseeable that with the continuous progress of fabrication technology, more highly integrated functional optical devices will emerge in the future. Full article
(This article belongs to the Special Issue Organic Photonics/Electronics: Materials, Processes, and Devices)
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