Carbazole-based donor-acceptor small molecules with hexyldicyanovinyl electron-withdrawing groups: synthesis and properties

Fourth interdisciplinary scientific forum with international participation "New materials and promising technologies"

Solodukhin, A.N.^1 ; Luponosov, Y.N.^1^2 ; Ponomarenko, S.A.^1^2

Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences, Profsoyuznaya st. 70, Moscow

117393, Russia^1

Chemistry Department, Moscow State University, Leninskie Gory 1-3, Moscow

119991, Russia^2

关键词: Bithiophenes;    Comparative analysis;    Donor acceptors;    Electron withdrawing group;    Small molecules;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/525/1/012036/pdf
DOI  :  10.1088/1757-899X/525/1/012036

来源: IOP

【 摘 要 】

In this work, synthesis of two novel donor-Acceptor small molecules based on donor 9-phenyl-9H-carbazole and acceptor hexyl-dicyanovinyl units was carried out. A comparative analysis of these molecules differing in the position of bithiophene π-spacer at the carbazole block only showed that changing the position allows to fine-Tune absorption spectra, HOMO value, bandgap and phase behaviour of the materials.