具有半导体性质的介观有序二维共轭聚合物的合成
Synthesis of a mesoscale ordered 2D-conjugated polymer with semiconducting properties
AI总结：
本文通过刚性氮杂三角烯前驱体与热沉积方法在Au(111)上实现Ullmann偶联，成功合成具有半导体性质和狄拉克锥结构的介观有序二维共轭聚合物，解决了传统方法畴区小、缺陷多的问题。
摘要：
具有高载流子迁移率和可调电子带隙的二维材料因其作为纳米电子学中有源组件的潜在用途而吸引了大量研究努力。二维共轭聚合物（2DCP）构成了一个有前景的子类，因为其电子能带结构可以通过改变分子构建单元来调控，同时保留二维材料的关键特征，如狄拉克锥和高电荷迁移率。将其用于技术应用的主要挑战是制备介观有序的2DCP网络，因为目前的合成路线只能产生具有高缺陷密度的小畴区。在此，我们展示了通过在Au(111)上进行Ullmann偶联反应合成具有半导体性质和狄拉克锥结构的介观有序2DCP。该材料是通过结合刚性氮杂三角烯前驱体和热沉积方法获得的，该方法有利于分子扩散并减少网络中空隙的形成。这些结果为2DCP狄拉克锥材料的合成及其集成到器件中开辟了机会。
英文摘要：
2D materials with high charge carrier mobility and tunable electronic band gaps have attracted intense research effort for their potential use as active components in nanoelectronics. 2D-conjugated polymers (2DCP) constitute a promising sub-class due to the fact that the electronic band structure can be manipulated by varying the molecular building blocks, while at the same time preserving the key features of 2D materials such as Dirac cones and high charge mobility. The major challenge for their use in technological applications is to fabricate mesoscale ordered 2DCP networks since current synthetic routes yield only small domains with a high density of defects. Here we demonstrate the synthesis of a mesoscale ordered 2DCP with semiconducting properties and Dirac cone structures via Ullmann coupling on Au(111). This material has been obtained by combining rigid azatriangulene precursors and a hot dosing approach which favours molecular diffusion and reduces the formation of voids in the network. These results open opportunities for the synthesis of 2DCP Dirac cone materials and their integration into devices.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
