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ABSTRACT
1-NaAA-DBDA and 2-NaAA-DBDA were designed and synthesized based on dual anthracene and dibenzo-diazocine moieties. In the film state, 1-NaAA-DBDA and 2-NaAA-DBDA exhibited UV-Visible absorption spectra in 354 nm ∼ 399 nm and PL spectra in 435 nm ∼ 438 nm. Applying 1-NaAA-DBDA and 2-NaAA-DBDA to the OLED device as an emitting layer, two materials showed current efficiencies of 1.39 cd A−1 and 2.38 cd A−1 and 0.96% and 1.26% of external quantum efficiency, respectively.
Funding
This research was supported by National R&D Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science & ICT (No. 2017M3A7B4041699). This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (No. 2017R1D1A1A09082138). This work was also supported by the Technological Innovation R&D Program funded by SMBA [S2359547], Korea.