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Photonics
Special Issues
Organic Photodetectors, Displays, and Upconverters
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Organic Photodetectors, Displays, and Upconverters

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optoelectronics and Optical Materials".

Deadline for manuscript submissions: 15 February 2025 | Viewed by 4261

Special Issue Editors

Dr. Ge Mu

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Guest Editor
School of Optics and Photonics, Beijing Institute of Technology, Beijing, China
Interests: organic light-emitting diodes; organic infrared-to-visible upconverters; semiconductor device physics; optoelectronics; organic photodetectors
Dr. Kangkang Weng

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Guest Editor
School of Optics and Photonics, Beijing Institute of Technology, Beijing, China
Interests: organic solar cells; organic photodetectors; organic optoelectronic biointerfaces

Special Issue Information

Dear Colleagues,

Organic optoelectronic materials offer unprecedented opportunities for the development of devices with functionalities such as detection, light emission, and upconversion due to their fascinating advantages, which include their low cost, lightweight, mechanical flexibility, and biocompatibility. Over the past few decades, organic photodetectors, electroluminescence displays, and upconverters have garnered significant attention; in addition, notable advancements in both the properties of organic semiconductor materials and device architecture engineering have been witnessed. It is undoubted that comprehensive reviews of previous studies and further innovative optimizations of organic optoelectronics are critical for scientific research and societal progress, encompassing diverse applications in areas such as biology, defense safety, space science, wearable electronics, and smart cities.

This Special Issue aims to gather summaries of recent and noteworthy studies and track the latest research in the rapidly evolving field of organic optoelectronics. The scope of this Special Issue includes, but is not limited to, the synthesis and modification of organic semiconductor materials, the analysis and exploration of operational mechanisms, and the optimization and design of devices for applications such as detectors, light-emitting diodes, and upconverters. Contributions to this Special Issue can take the form of original research articles or comprehensive reviews that highlight breakthroughs in fundamental scientific research and technological advancements for industrial applications.

We look forward to receiving your contributions.

Dr. Ge Mu
Dr. Kangkang Weng
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. Photonics 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 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

  • organic semiconductor
  • photodetectors
  • light-emitting diodes
  • upconverters

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Published Papers (3 papers)

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Review

32 pages, 18497 KiB  
Review
Recent Advances in Organic Photodetectors
by Jintao Zou, Shuo Zhang and Xin Tang
Photonics 2024, 11(11), 1014; https://doi.org/10.3390/photonics11111014 - 28 Oct 2024
Viewed by 835
Abstract
Organic photodetectors (OPDs) have garnered significant attention in fields such as image sensing, health monitoring, and wearable devices due to their exceptional performance. This review summarizes recent research advancements in materials, structures, performance, and applications of narrowband organic photodetectors, hybrid organic–inorganic perovskite photodetectors, [...] Read more.
Organic photodetectors (OPDs) have garnered significant attention in fields such as image sensing, health monitoring, and wearable devices due to their exceptional performance. This review summarizes recent research advancements in materials, structures, performance, and applications of narrowband organic photodetectors, hybrid organic–inorganic perovskite photodetectors, flexible organic photodetectors (FOPDs), and photomultiplication type organic photodetectors (PM-OPDs). Organic semiconductors offer substantial potential in optoelectronic devices owing to their low cost, ease of processing, and tunable spectral response. Hybrid perovskite materials extend the spectral response range, FOPDs meet the demands of wearable devices, and PM-OPDs enhance sensitivity, allowing for the detection of weak light signals. Through innovations in materials, structural optimization, and improvements in manufacturing processes, the performance of OPDs has seen significant enhancement. This article also explores the application prospects of these technologies in medical monitoring, optical communications, and image sensing. Full article
(This article belongs to the Special Issue Organic Photodetectors, Displays, and Upconverters)
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27 pages, 8019 KiB  
Review
Advances in High-Efficiency Blue OLED Materials
by Xiaoxue Yang, Ge Mu, Kangkang Weng and Xin Tang
Photonics 2024, 11(9), 864; https://doi.org/10.3390/photonics11090864 - 13 Sep 2024
Viewed by 1987
Abstract
Organic light-emitting diode (OLED) technology has rapidly emerged in the display and lighting sectors due to its high contrast ratio, wide viewing angle, and sleek design. Beyond these attributes, OLEDs have also demonstrated crucial applications in medicine, fashion, sports, and more, leveraging their [...] Read more.
Organic light-emitting diode (OLED) technology has rapidly emerged in the display and lighting sectors due to its high contrast ratio, wide viewing angle, and sleek design. Beyond these attributes, OLEDs have also demonstrated crucial applications in medicine, fashion, sports, and more, leveraging their emissive properties and flexible design. As the cornerstone of full-color displays, blue OLEDs, whose performance directly impacts color rendition and saturation, have garnered significant attention from both scientific researchers and industrial practitioners. Despite the numerous advantages of OLED technology, blue OLEDs still confront formidable challenges in terms of luminous efficiency, durability, and material stability. This review examines the evolution of blue OLED materials over recent years, specifically focusing on three generations: fluorescent, phosphorescent, and thermally activated delayed fluorescence (TADF). Through molecular design, device structure optimization, and the application of innovative technologies, remarkable advancements have been achieved in enhancing the luminous efficiency, lifetime, and color purity of blue OLEDs. However, to advance commercialization, future efforts must not only ensure high efficiency and long lifetime but also improve material stability, environmental sustainability, and reduce development costs. Emerging materials such as thermally activated exciton materials and the application of hyperfluorescent (HF) OLED technology represent vital driving forces for the continuous advancement of blue OLED technology. It is anticipated that significant milestones will continue to be achieved in the development of highly efficient blue OLEDs in the future. Full article
(This article belongs to the Special Issue Organic Photodetectors, Displays, and Upconverters)
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26 pages, 19428 KiB  
Review
Advances in Organic Upconversion Devices
by Chengchang Fu, Ge Mu, Kangkang Weng and Xin Tang
Photonics 2024, 11(9), 808; https://doi.org/10.3390/photonics11090808 - 29 Aug 2024
Viewed by 1030
Abstract
Organic upconversion devices (OUDs) are a class of technology that convert low-energy infrared (IR) photons into high-energy visible photons, offering extensive application prospects in fields such as bioimaging, photovoltaics, and display technologies. In recent years, organic materials-based upconversion technology has attracted considerable attention [...] Read more.
Organic upconversion devices (OUDs) are a class of technology that convert low-energy infrared (IR) photons into high-energy visible photons, offering extensive application prospects in fields such as bioimaging, photovoltaics, and display technologies. In recent years, organic materials-based upconversion technology has attracted considerable attention and research interest due to its unique advantages in molecular design, material diversity, and flexible device fabrication. An up-conversion imager consists of the organic photosensitive layer as the sensitizer which is used for absorbing infrared light and the active layers of the organic light-emitting diodes (OLEDs) as emitters which are used for displaying visible light. Under the effect of their common, the incident IR light is converted to visible light. Here, we review the recent progress in the field of organic upconversion materials, explain their performance and characterization, and discuss the challenges and prospects. Full article
(This article belongs to the Special Issue Organic Photodetectors, Displays, and Upconverters)
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