Synthesis and optical and electrochemical properties of polycyclic aromatic compounds based on bis(benzothiophene)-fused fluorene

Publication date: Available online 4 July 2018Source: Comptes Rendus ChimieAuthor(s): Guiting Chen, Xin Li, Ziyun Chen, Chunbao Tang, Wei Yang, Yong CaoAbstractNovel polycyclic aromatic compounds (FBTPhO3 and FBTPhO4), which are based on bis(benzothiophene)-fused fluorene functionalized with oligo(ethylene glycol)-substituted phenyl, were synthesized through an intramolecular electrophilic cyclizing reaction. Thermal measurements revealed their excellent thermal stability and amorphous state. Photoluminescence spectra suggested that they both show deep blue light emission. Cyclic voltammetry tests exhibited that the ionization potentials of FBTPhO3 and FBTPhO4 are 5.67 and 5.68 eV, respectively, implying their good inoxidizability. These compounds may be promising building blocks for high-performance optoelectronic functional materials.

Source: Comptes Rendus Chimie - July 11, 2018 Category: Chemistry Source Type: research