Synthesis and optical and electrochemical properties of polycyclic aromatic compounds based on bis(benzothiophene)-fused fluorene - 17/09/18

Doi : 10.1016/j.crci.2018.05.011

Guiting Chen ^a,^⁎ , Xin Li ^a,^⁎ , Ziyun Chen ^a, Chunbao Tang ^a, Wei Yang ^b, Yong Cao ^b
^a School of Chemistry and Environment, Jiaying University, Meizhou 514015, China
^b Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China

^∗Corresponding author.^∗∗Corresponding author.

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Abstract

Novel 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.

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Keywords : Polycyclic aromatic compounds, Sulfur heterocycles, Semiconductors, Fluorene, Benzothiophene, Dibenzothiophene

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Vol 21 - N° 9

P. 854-861 - septembre 2018 Retour au numéro

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Synthesis and optical and electrochemical properties of polycyclic aromatic compounds based on bis(benzothiophene)-fused fluorene - 17/09/18

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