A novel pyrene-based highly pure blue fluorescent and stable molecule, 1,3,6,8-tetrakis[9,9-bis(3-methylbutyl)-9Hfluoren-2-yl]pyrene, was successfully synthesised via a Pd-catalysed Suzuki coupling reaction of 1,3,6,8-tetrabromopyrene with 2-[9,9-bis(3-methylbutyl)-9H-fluoren-2-yl]-4,4,5,5-tetramethyl[1,3,2]dioxaborolane. The photoproperties of this pyrene were examined in detail and these data indicated its potential application as blue-emitting materials in organic light-emitting diodes.
Synthesis and Fluorescence Emission Properties of 1,3,6,8-Tetrakis(9H-fluoren-2-yl)pyrene Derivative. -The blue fluorescenting title pyrene derivative (IV), synthesized via a Pd-catalyzed Suzuki coupling reaction of corresponding tetrabromopyrene (II) with dioxoborolane (III), possesses potential application as blue-emitting material in organic light-emitting diodes. -(HU, J.-Y.; HIYOSHI, H.; DO, J.-H.; YAMATO*, T.; J.
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