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Triazatruxene-based small molecules with thermally activated delayed fluorescence, aggregation-induced emission and mechanochromic luminescence properties for solution-processable nondoped OLEDs
| Content Provider | Semantic Scholar |
|---|---|
| Author | Chen, Yonghong Wang, Shumeng Wu, Xiaofu Xu, Yuxiang Liu, Yang Tong, Hui Wang, Lixiang |
| Copyright Year | 2018 |
| Abstract | Two solution processable triazatruxene-based small molecules (TATC-BP and TATP-BP) with thermally activated delayed fluorescence (TADF), aggregation-induced emission (AIE), and mechanochromic luminescence (MCL) properties are synthesized and characterized. Compared with phenyl-substituted TATP-BP, TATC-BP with hexyl substituents showed a clearer MCL with a larger emission color change from 483 to 542 nm upon mechanical grinding. On the other hand, the solution processed nondoped OLED of TATP-BP showed a better EL performance with a maximal current efficiency of 18.9 cd A−1, a maximum external quantum efficiency (EQE) of 6.0%, and a remarkable small roll-off of 3.3% in EQE even at a luminance of 1000 cd m−2. |
| Starting Page | 12503 |
| Ending Page | 12508 |
| Page Count | 6 |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/C8TC04721A |
| Volume Number | 6 |
| Alternate Webpage(s) | http://www.rsc.org/suppdata/c8/tc/c8tc04721a/c8tc04721a1.pdf |
| Alternate Webpage(s) | https://doi.org/10.1039/C8TC04721A |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
