Abstract
A novel A-D-A blue emitter containing fluorene,phenanthroimidazole and acetylene group moieties was synthesized and characterized,named as FI. Its photophysical and photochemical properties were systematically investigated. The results showed FI exhibits excellent solubility,fluorescence,thermal stability and film formation,which is a good candidate for the fabrication of solution-processable organic light-emitting diodes. A non-doped blue organic light-emitting diode based on FI as the emitter showed the maximum luminance efficiency of 1. 52 cd·A- 1,and the maximum power efficiency could reach 0. 63 lm·W- 1.
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