作者:Boztaş, Yalçın、Çakal, Deniz、Önal, Ahmet M.
DOI:10.1016/j.polymer.2024.127322
日期:——
4]dioxepin-6-yl)-5,6-difluorobenzo[c][1,2,5]thiadiazole (), in order to investigate the effect of fluorine atom substitution on the electrochemical and optical properties of highly processable monomers and their corresponding polymers. In addition to these two novel monomers, non-fluorinated analog, namely 4,7-bis(3,3-didecyl-3,4-dihydro-2-thieno[3,4-][1,4]dioxepin-6-yl)benzo[][1,2,5]thiadiazole (), was also synthesized
通过单氟化苯并噻二唑(BT)受体单元与二癸基取代的3,4-丙二氧噻吩(ProDOT(P))供体单元的偶联,合成了供体-受体-供体阵列中的一系列新单体,以获得两个新型单体,即4,7-双(3,3-二癸基-3,4-二氢-2H-噻吩并[3,4-b][1,4]二氧杂环-6-基)-5氟苯并[c][ 1,2,5]噻二唑()和4,7-双(3,3-二癸基-3,4-二氢-2H-噻吩并[3,4-b][1,4]二氧杂平-6-基)- 5,6-二氟苯并[c][1,2,5]噻二唑(),为了研究氟原子取代对高度可加工单体及其相应聚合物的电化学和光学性能的影响。除了这两种新型单体外,还有非氟化类似物,即 4,7-双(3,3-二癸基-3,4-二氢-2-噻吩并[3,4-][1,4]二恶平-6-为了比较,还合成了基)苯并[][1,2,5]噻二唑()。所有单体都在较长波长处表现出分子内电荷转移带,并且在氟原子取代后其吸收和发射光谱