Molecular Design Strategy of Organic Thermally Activated Delayed Fluorescence Emitters
| Autor: | Kyoung Soo Yook, Jeong-A Seo, Yong Joo Cho, Jun Yeob Lee, Mounggon Kim, Yirang Im |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
business.industry General Chemical Engineering Nanotechnology 02 engineering and technology General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Fluorescence 0104 chemical sciences Materials Chemistry Physics::Accelerator Physics Optoelectronics Quantum efficiency 0210 nano-technology business Phosphorescence Diode |
| Zdroj: | Chemistry of Materials. 29:1946-1963 |
| ISSN: | 1520-5002 0897-4756 |
| DOI: | 10.1021/acs.chemmater.6b05324 |
| Popis: | Recently, organic thermally activated delayed fluorescence (TADF) emitters have attracted a great deal of attention because they can theoretically realize 100% internal quantum efficiency. Many TADF emitters have been developed since the first demonstration of close to 20% external quantum efficiency in the devices. Recently developed TADF emitters demonstrated close to 37% external quantum efficiency in blue, above 30% external quantum efficiency in green, and close to 18% external quantum efficiency in red devices. Therefore, TADF organic light-emitting diodes could potentially be substituted for high-efficiency phosphorescent organic light-emitting diodes. In this work, we reviewed molecular design strategies of organic-based TADF emitters by classifying them into several categories depending on the material parameters required for the TADF emitters. In addition, we proposed a future development direction of TADF emitters to make them competitive with phosphorescent emitters. |
| Databáze: | OpenAIRE |
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