Two-dimensional semiconducting covalent organic frameworks …
Jun 6, 2019 · Powder X-ray diffraction (PXRD), high-resolution transmission electron microscopy (HRTEM), and surface area measurement clearly reveal the COFs have honeycomb-like …
2D Covalent Organic Framework Membranes for Liquid‐Phase …
Apr 4, 2023 · In particular, high resolution transmission electron microscopy (HRTEM) measures crystalline domain sizes and lattice spacings within local regions of COF thin films. These …
Catenated covalent organic frameworks constructed from …
Jan 16, 2023 · Here, we report a series of [∞]catenane covalent organic frameworks (COFs), termed catena-COF-805, 806 and 807, which are formed through the mechanical interlocking …
Reconstructed covalent organic frameworks - Nature
Apr 6, 2022 · Here we present a reconstruction strategy for COF synthesis that uses a reversible and removable covalent tether to pre-organize monomers before an irreversible polymerization.
Seeded growth of single-crystal two-dimensional covalent ... - Science
The enlarged COF nanoparticles were heated at 85°C for 14 days and then analyzed by low-dose, high-resolution transmission electron microscopy (HRTEM) to visualize their …
北京理工大学冯霄教授《JACS》：具有创纪录孔径的共价有机骨 …
Mar 12, 2022 · 排列良好的六边形中孔可以通过hrtem直接可视化，特别是对于tdcof-1和tdcof-2。 由于TDCOF-3具有较低的结晶度以及对高能电子的较低耐受性，其孔相对不 ...
ORR最新Angew：碳中心自由基位点的共价有机框架用于四电子氧 …
【 要点1】 通过后氧化法成功合成了具有稳定中性碳自由基中心的共价有机框架（cof）材料（cof-r）。 这种材料在保持结晶性的同时，实现了碳自由基的稳定存在；【 要点2】 RCOF在四电 …
韩宇团队JACS：重新评估一个看似简单且广为接受的二维COF结构 …
Dec 22, 2024 · 韩宇教授团队利用超低剂量高分辨透射电子显微（ULD-HRTEM）技术对该COF的进行了实空间成像。 有趣的是，他们获得的图像揭示了两套6-MR孔，这两套孔都不呈标准的 …
CuFe alloys encapsulated in COF/MOF-derived 1D N-doped …
6 days ago · CuFe alloys encapsulated in COF/MOF-derived 1D N-doped carbon nanofibers for boosting oxygen reduction reaction in highly efficient and durable zinc-air batteries ...
【TAPB-DMPDA COF】一种看似简单的亚胺连接COF材料的两种微 …
二维亚胺基cof tapb-dmpda，通过uld-hrtem和dft计算揭示了其双孔结构特征。 CHEMSOON-专业定制合成亚胺COF材料TAPB-DHA和TAPB-BPTA English