Direct Construction of 2D Conductive Metal–Organic Frameworks from a Nonplanar Ligand: In Situ Scholl Reaction and Topological Modulation,Journal of the American Chemical Society

当前位置： X-MOL 学术 › J. Am. Chem. Soc. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Direct Construction of 2D Conductive Metal–Organic Frameworks from a Nonplanar Ligand: In Situ Scholl Reaction and Topological Modulation
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2022-12-14 , DOI: 10.1021/jacs.2c10717
Meiling Qi ₁ , Yi Zhou _{2,

3} , Yongkang Lv ₁ , Weiben Chen ₁ , Xi Su ₁ , Ting Zhang ₁ , Guolong Xing ₁ , Gang Xu ₄ , Osamu Terasaki _{2,

3} , Long Chen _{1,

5}

Affiliation

Two-dimensional conductive metal–organic frameworks (2D c-MOFs) are an emerging class of promising porous materials with high crystallinity, tunable structures, and diverse functions. However, the limited topologies and difficulties in synthesizing suitable organic linkers remain a great challenge for 2D c-MOFs synthesis and applications. Herein, two layered 2D c-MOF polymorphs with either a rhombus structure (sql-TBA-MOF) or kagome structure (kgm-TBA-MOF) were directly constructed via in situ Scholl reaction and coordination chemistry from a flexible and nonplanar tetraphenylbenzene-based ligand (8OH-TPB) in a one-pot manner. Interestingly, the kgm-TBA-MOF comprising hexagonal and triangular dual pores exhibit higher conductivities of 1.65 × 10^–3 S/cm at 298 K and 3.33 × 10^–2 S/cm at 353 K than that of sql-TBA-MOF (4.48 × 10^–4 and 2.90 × 10^–3 S/cm, respectively). Moreover, the morphology and topology can be modulated via the addition of ammonium hydroxide as modulator. The present work provides a new pathway for design, synthesis, and topological regulation of 2D c-MOFs.

中文翻译：

从非平面配体直接构建二维导电金属-有机骨架：原位 Scholl 反应和拓扑调制

二维导电金属有机骨架 (2D c -MOFs) 是一类新兴的多孔材料，具有高结晶度、可调结构和多种功能。然而，有限的拓扑结构和合成合适的有机连接体的困难仍然是二维c -MOFs 合成和应用的巨大挑战。在此，具有菱形结构（sql -TBA-MOF）或kagome结构（kgm -TBA-MOF）的两个层状二维c -MOF多晶型物是通过原位Scholl反应和基于柔性和非平面四苯苯的配位化学直接构建的一锅法配体 (8OH-TPB)。有趣的是，kgm-包含六边形和三角形双孔的 TBA-MOF在 298 K 和 3.33 × 10 ^-2 S/cm 时表现出比sql -TBA-MOF (4.48 × ¹⁰^{- 4}和 2.90 × 10 ^–3 S/cm，分别）。此外，可以通过添加氢氧化铵作为调节剂来调节形态和拓扑结构。目前的工作为二维c -MOF 的设计、合成和拓扑调控提供了一条新途径。

更新日期：2022-12-14

点击分享查看原文

点击收藏

阅读更多本刊新发论文本刊介绍/投稿指南