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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Baek, Jang Yeol Kim, Kwon-Hyeon Huh, Jin-Suk Kwon, Soon-Ki Kim, Jang-Joo Sun, Jin Won Kim, Yun-Hi |
| Copyright Year | 2017 |
| Abstract | Recently, the azasiline unit was introduced as a donor in thermally activated delayed fluorescence (TADF) emitters to realize efficient blue fluorescence from organic light emitting diodes (OLEDs). Utilizing the azasiline unit DTPPDDA in the formation of donor–connector–acceptor (D–C–A) materials resulted in deep blue emission with a Commission Internationale de l'Eclairage (CIE) coordinate of (0.151, 0.087), close to the blue standard of the National Television System Committee (NTSC) of (0.140, 0.080) with 4.7% External Quantum Efficiency (EQE). In the donor–acceptor–donor (D–A–D) type materials of BDAPM and SPDDA, carbonyl and sulfone units were used as the acceptors, respectively. The sulfonyl unit contributed to a large twist of the molecular structure while the carbonyl unit led to a small twist of the molecular structure. As a result, the blue fluorescent OLEDs containing BDAPM and SPDDA demonstrated 11.4% and 2.3% EQEs with CIE Y-values of 0.310 and 0.107, respectively. |
| Starting Page | 1027 |
| Ending Page | 1032 |
| Page Count | 6 |
| File Format | HTM / HTML PDF |
| ISSN | 20507526 |
| Volume Number | 5 |
| Issue Number | 5 |
| Journal | Journal of Materials Chemistry C |
| DOI | 10.1039/c6tc04653c |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | DTPPDDA Commission Internationale National Television System Committee NTSC Fluorescence The Internationale International Commission on Illumination Carbonyl group Sulfone Sulfonyl |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Materials Chemistry |
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