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Updated: May 30, 2026

Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core
Published on: October 24, 2017
Synthesis and properties of a blue bipolar indenofluorene emitter based on a D-π-A design
Damien Thirion1, Joëlle Rault-Berthelot, Laurence Vignau
1Université de Rennes 1 - UMR CNRS 6226 Sciences Chimiques de Rennes-MaCSE group, Bat 10C, Campus de Beaulieu - 35042 Rennes cedex, France.
Abstract:
Through a rational design, a novel Donor-Acceptor π-conjugated (D-π-A) blue fluorescent indenofluorene dye, DA-DSF-IF, has been synthesized for application in single-layer Small Molecule Organic Light Emitting Diodes (SMOLEDs). This new blue emitter possesses bipolar properties as well as good morphological and emission color stabilities and has been successfully used in a blue emitting single-layer SMOLED, with performances impressively magnified compared to a nonbipolar indenofluorene emitter.
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