Easy accessible blue luminescent carbazole-based materials for organic light-emitting diodes
2017
Abstract The thermal, optical, electrochemical and charge transport properties of a series of nine straightforward carbazole-based compounds have been analysed and interpreted according to their molecular structure by means of the X-ray analysis of single crystals. A non-doped OLED device with low turn-on voltage and maximum luminance up to 1.4 × 10 4 cd m −2 was achieved. DFT calculations have been performed to explain the high efficiency of radiative exciton production.
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