2017年6月3日 · Herein, by elaborately designing and choosing two flexible molecules with C 3v molecular symmetry as building units, a novel imine-linked COF, namely, TPA-COF, with a hexagonal layered structure and sheet-like morphology, is synthesized. Since the flexible building units are integrated into the COF skeletons, the interlayer stacking becomes ...

2022年3月17日 · Wafer-scale 2D COF films with different structures have been successfully synthesized by adjusting their building blocks, suggesting its generic applicability. The carrier mobility of PyTTA-TPA...

2020年11月5日 · COF-JLU22 exhibited high photocatalytic efficiency for photoreductive dehalogenation of phenacyl bromide derivatives and α-alkylation of aldehydes. 1,3,6,8-tetrabromopyrene (TBP) and 3,8-dibromophenanthroline (DBP) were also used as electron donor and acceptor, respectively, to construct D-A type covalent organic polymer (COP …

2024年2月10日 · Herein, taking triphenylamine (TPA)-containing organic module 31, 32 as the photosensitive building block, we report the construction of two robust COFs (Fig. 1), i.e., TFPA-TAPT-COF-Q and...

El-Mahdy et al. synthesized a series of redox-active hexagonal triphenylamine (TPA)-based hexagonal imine 2D-COFs for the electrochemical energy storage. They observed that the specific capacitance of the imine 2D-COFs increases with the triphenylamine content.

2021年10月1日 · In this study, we designed and synthesized a new type of COF photocatalyst (BTT-TPA-COF) in which benzotrithiophene and triphenylamine units are alternately connected. It has high specific surface area, permanent porosity and good stability.

2019年1月1日 · Covalent organic framework (COF) as a new porous crystalline material has been used as the host material in Li–S battery to improve the cell's cycling stability. In this paper, an imine-linked TAPB-PDA-COF was applied as the host material for …

通过固-汽界面反应合成高度有序的单层二维共价有机框架（scofs），具有亚胺键的蜂窝状结构，为分子电子学和光电子设备领域提供新合成策略。chemsoon-tapb-tpa cof专业供应商

晶圆级cof薄膜通过扩散限制合成策略，实现了高晶格度和优异的光电性能，可模拟人类视觉自适应功能，为先进光电子器件提供新材料。chemsoon-专业合成pytta-tpa-cof膜

2024年1月19日 · 二维共价有机框架 (covalent organic frameworks, COFs) 是由层内共价键和层间有序堆积构成的结晶多孔有机聚合物，与传统聚合物相比，其具有大的比表面积、高的结构有序性和可设计性以及丰富的活性位点，在催化、分离、储能及光电等领域都展现出巨大的应用前景。 在具有共轭结构的2D COFs中，由刚性构筑单元连接形成的平面网络使得电荷能够沿着层内共轭骨架有效传输，而层间的π-π堆积则形成了沿着层间路径的电荷传输通道。 这使得2D COFs在光电 …