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“Diluting branches” put to work: from synthesis to properties control of multifunctional polymers derived from triphenylamine, fluorene and thiophene
Polymer Chemistry ( IF 4.1 ) Pub Date : 2024-09-02 , DOI: 10.1039/d4py00720d Ioana-Alexandra Trofin 1 , Catalin-Paul Constantin 1 , Mariana-Dana Damaceanu 1 , Radu-Dan Rusu 1
Polymer Chemistry ( IF 4.1 ) Pub Date : 2024-09-02 , DOI: 10.1039/d4py00720d Ioana-Alexandra Trofin 1 , Catalin-Paul Constantin 1 , Mariana-Dana Damaceanu 1 , Radu-Dan Rusu 1
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A series of highly branched polymers was synthesized by Suzuki polycondensation of thiophene-, fluorene-, and triphenylamine-based monomers, following the “A2 + B2 + C3” pathway. A “dilution of branches” approach allows branching density management and generates conjugated frameworks with linear, alkyl-decorated segments of various lengths. This strategy affects solubility, morphology, and thermal features and allows further control options. The building blocks are involved individually or in combinations in the main electronic transitions and charge and energy transfer processes, as confirmed by computational and experimental UV–vis and photoluminescence studies. The absorption and emission profiles are influenced by branching density, solvent, or the sample's physical state. The structural units’ particular arrangement in each branched construct regulates the redox patterns and electrochemical parameters. The polymers’ overall features and their variation with structure and branching density assemble the foundation for engaging conjugated materials for (opto)electronic applications.
中文翻译：
“稀释支链”投入使用：从三苯胺、芴和噻吩衍生的多功能聚合物的合成到性能控制
通过噻吩基、芴基和三苯胺基单体的 Suzuki 缩聚反应，按照“A 2 + B 2 + C 3 ”途径合成了一系列高度支化的聚合物。 “分支稀释”方法允许分支密度管理并生成具有不同长度的线性烷基修饰片段的共轭框架。该策略影响溶解度、形态和热特征，并允许进一步的控制选项。正如计算和实验紫外可见光和光致发光研究所证实的那样，这些构件单独或组合地参与主要的电子跃迁以及电荷和能量转移过程。吸收和发射曲线受支化密度、溶剂或样品物理状态的影响。每个分支结构中结构单元的特殊排列调节氧化还原模式和电化学参数。聚合物的整体特征及其随结构和支化密度的变化为将共轭材料用于（光）电子应用奠定了基础。
更新日期：2024-09-04
中文翻译：
“稀释支链”投入使用：从三苯胺、芴和噻吩衍生的多功能聚合物的合成到性能控制
通过噻吩基、芴基和三苯胺基单体的 Suzuki 缩聚反应，按照“A 2 + B 2 + C 3 ”途径合成了一系列高度支化的聚合物。 “分支稀释”方法允许分支密度管理并生成具有不同长度的线性烷基修饰片段的共轭框架。该策略影响溶解度、形态和热特征，并允许进一步的控制选项。正如计算和实验紫外可见光和光致发光研究所证实的那样，这些构件单独或组合地参与主要的电子跃迁以及电荷和能量转移过程。吸收和发射曲线受支化密度、溶剂或样品物理状态的影响。每个分支结构中结构单元的特殊排列调节氧化还原模式和电化学参数。聚合物的整体特征及其随结构和支化密度的变化为将共轭材料用于（光）电子应用奠定了基础。
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