Structural, Optical and Photoelectric Properties of OLED Thin Films and Coatings
A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Engineering for Energy Harvesting, Conversion, and Storage".
Deadline for manuscript submissions: 30 November 2024 | Viewed by 214
Special Issue Editor
Interests: electroactive materials; devices; OLEDs; TADF
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Polymers and low-molar-mass derivatives, containing electroactive fragments and capable of thin amorphous film formation on the substrate, are used to fabricate functional layers for organic light-emitting diodes (OLEDs), photovoltaic cells, field effect transistors and photorefractive materials. Recent advances in organic optoelectronics, particularly in efficient OLEDs, have called for new electro-active organic materials, as well as for new device technologies. Small OLED-based displays already generate hundreds of millions of dollars. Larger OLED displays will penetrate the television market in the not-too-distant future. Nowadays, white displays play an important role in lighting.
Despite their recent progress, OLEDs and other devices are still dealing with issues of efficient and balanced carrier injection and transportation because of large differences in barrier heights and low carrier mobility. Therefore, new, more effective, compounds are being developed. These compounds have good film-forming properties, high hole mobility in their layers, and photoconductive properties. The ideal material for a device should display good solubility, high thermal stability, good film-forming ability, and high hole mobility in its layer. Hence, materials possessing low ionization potential for efficient hole or electron injection, high mobility, thermal durability, and morphological stability with high glass transition temperatures are still necessary. The efficiency of these devices would be increased several times by using materials with multilayer structures.
Dr. Gintarė Kručaitė
Guest Editor
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Keywords
- OLED
- TADF
- device structure
- organic chemistry
- electroactive materials
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