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Photonics
Special Issues
Organic Optoelectronic Materials and Their Applications
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Organic Optoelectronic Materials and Their Applications

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: 20 January 2025 | Viewed by 1048

Special Issue Editor

Dr. Xixiang Zhu

E-Mail Website
Guest Editor
School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China
Interests: organic photovoltaics and detectors; perovskite photovoltaics and light-emitting devices; perovskite film luminescence and laser; organic electron spin; magnetic field effect related
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue aims to provide a comprehensive overview of the latest developments in organic optoelectronic materials and their applications. The field of organic optoelectronics has seen rapid advancements in recent years, with significant progress being made in the design and synthesis of novel materials for use in various optoelectronic devices such as organic/perovskite light-emitting diodes (OLEDs/PLEDs), organic/perovskite photovoltaics (OPVs/PPs), and organic/perovskite field-effect transistors (OFETs/PFETs).

The articles included in this Special Issue cover a wide range of topics, including the development of novel organic semiconducting materials, advances in device fabrication and characterization techniques, as well as the exploration of novel applications for these materials. Additionally, several contributions focus on the fundamental understanding of charge transport mechanisms and exciton dynamics in organic materials.

Overall, this Special Issue serves as a valuable resource for researchers and practitioners working in the field of organic optoelectronics, providing insights into the current state-of-the-art research and future directions for further advancement. We hope that readers will find this collection informative and inspiring for their own work in this exciting area of research.

Dr. Xixiang Zhu
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. 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
  • perovskite
  • flexible
  • light-emitting diodes
  • photovoltaics
  • optoelectronic material

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Published Papers (1 paper)

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Research

11 pages, 2128 KiB  
Article
New Yellow Azo Pyridone Derivatives with Enhanced Thermal Stability for Color Filters in Image Sensors
by Sunwoo Park, Sangwook Park, Saeyoung Oh, Hyukmin Kwon, Hayoon Lee, Kiho Lee, Chun Yoon and Jongwook Park
Photonics 2024, 11(10), 989; https://doi.org/10.3390/photonics11100989 - 21 Oct 2024
Viewed by 720
Abstract
Two new yellow azo pyridone derivatives, (E)-6-hydroxy-1-(3-methoxypropyl)-4-methyl-2-oxo-5-(p-tolyldiazenyl)-1,2-dihydropyridine-3-carbonitrile (APY-M) and 5,5′-((1E,1′E)-(methylenebis(4,1-phenylene))bis(diazene-2,1-diyl))bis(6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile) (APY-D), were designed and synthesized as yellow colorants for image sensors. The properties of these new compounds were evaluated in both solution and color filter film forms, focusing on their optical and thermal [...] Read more.
Two new yellow azo pyridone derivatives, (E)-6-hydroxy-1-(3-methoxypropyl)-4-methyl-2-oxo-5-(p-tolyldiazenyl)-1,2-dihydropyridine-3-carbonitrile (APY-M) and 5,5′-((1E,1′E)-(methylenebis(4,1-phenylene))bis(diazene-2,1-diyl))bis(6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile) (APY-D), were designed and synthesized as yellow colorants for image sensors. The properties of these new compounds were evaluated in both solution and color filter film forms, focusing on their optical and thermal characteristics. The molar extinction coefficient values of APY-M and APY-D in solution were found to be 2.7 × 105 and 3.0 × 105 L/mol·cm, respectively. The transmittance of the newly synthesized compounds met commercial requirements, showing values below 0.21% at 435 nm and above 97.1% at 530 nm. APY-D exhibited a molar extinction coefficient value in solution that was 1.15 times higher than that of the commercially used yellow colorant Disperse Yellow 241. Both newly synthesized compounds satisfied the decomposition temperature requirement of over 230 °C, which is essential for the color filter manufacturing process in image sensors. In particular, APY-D, with its dimeric structure and increased molecular weight, demonstrated enhanced thermal stability, with a 50 °C increase in decomposition temperature compared to Disperse Yellow 241. Color filter films for image sensors were fabricated using the new compounds, and their thermal resistance was evaluated. APY-D maintained its transmittance due to the enhanced thermal stability provided by its dimer structure and increased molecular weight. Consequently, APY-D is anticipated to be a promising candidate for use as a yellow colorant in image sensors, owing to its excellent optical and thermal properties. Full article
(This article belongs to the Special Issue Organic Optoelectronic Materials and Their Applications)
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