Conclusions
We have synthesized novel multi-branched molecules for hole transport materials and as host materials for red or white emitting EL devices. The HOMO and LUMO energies of the synthesized molecules are suitable for hole transporting materials in a multilayer EL device. The absorption and PL spectra indicate that the molecules bearing carbazoles as peripheral groups can exhibit highly isolated photophysical properties. It also can be considered that these carbazole-labeled multi-branched molecules can potentially be used for red or white organic light-emitting devices optimizing the concentration of DADB.
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Cho, M.J., Lee, T.W., Kim, H.S. et al. Syntheses and photophysical properties of new carbazole-based conjugated multi-branched molecules. Macromol. Res. 15, 595–600 (2007). https://doi.org/10.1007/BF03218937
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DOI: https://doi.org/10.1007/BF03218937