Abstract
A new anthracene derivative 9,10-bis[3,5-di(4-tert-butylphenyl)phenyl]anthracene (BPPA) was synthesized via Suzuki coupling reaction and characterized by 1H NMR spectrum, mass spectrum, and elemental analysis. BPPA exhibits deep-blue emission both in solution and in solid thin film. This compound has a non-planar structure that results in high thermal stability and the phenomenon of polymorphism. The non-doped device based on this material shows stable deep-blue emission with the 1931 Commission international de I’Eclairage (CIE) coordinate of (0.15, 0.05) under different applied voltages. The device exhibits the maximum external quantum efficiency of 2.2% at 14.9 mA/cm2 with luminance of 105 cd/m2.
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Wang, Z., Zheng, C., Liu, H. et al. Efficient and stable non-doped deep-blue organic light emitting diode based on an anthracene derivative. Sci. China Chem. 54, 666–670 (2011). https://doi.org/10.1007/s11426-011-4243-9
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DOI: https://doi.org/10.1007/s11426-011-4243-9