一种含双 B←N 键的共价有机聚合物：合成、单晶结构和物理性质

IF 5.3 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Nano Materials Pub Date : 2024-10-11 DOI:10.1039/d4qi02121e

Jinghang Wu, Jiahe Liu, Limei Rao, Yunchen Long, Qianfeng Gu, Xin Wang, Lei Zhang, Fangyuan Kang, Lang Jiang, Dangyuan Lei, Qichun Zhang

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引用次数: 0

摘要

共价硼←氮（B←N）键在构建结晶共价有机聚合物/框架（COPs/COFs）中非常重要。本文采用 9,10-二(4-吡啶基)蒽（DPA）和 1,4-双(苯并二氧杂硼烷)苯（BACT）作为构建模块，制备了功能性 COP 的单晶体（CityU-30）。具体来说，DPA 和 BACT 通过对位 B←N 键连接在一起，形成人字形聚合物链，相邻链之间通过氢键相互作用，形成伪二维链结构。与 DPA 相比，观察到 CityU-30 的荧光强度明显下降，这表明 CityU-30 具有明显的光热效应。这项研究揭示了 B←N 键在设计创新型 COP 中的关键作用，并为未来的材料研究提供了指导。

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A Covalent Organic Polymer Containing Dative B←N Bonds： Synthesis, Single Crystal Structure, and Physical Properties

Dative boron←nitrogen (B←N) bonds are important in the construction of crystalline covalent organic polymers/frameworks (COPs/COFs). Herein, 9,10-di(4-pyridyl)anthracene (DPA) and 1,4-bis(benzodioxaborolane)benzene (BACT) were employed as building blocks to prepare single crystals of a functional COP (CityU-30). Detailly, DPA and BACT were connected together through dative B←N bonds to form zigzag polymer chains, and the neighboring chains were interacted with each other through hydrogen bonds to form a pseudo-two-dimensional chain structure. The observed significant decrease in fluorescence intensity of CityU-30 compared to DPA indicates a pronounced photothermal effect in CityU-30. This research reveals the crucial role of B←N bonds in designing innovative COPs and guides future materials researches.

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来源期刊

ACS Applied Nano Materials Multiple-

CiteScore

8.30

自引率

3.40%

发文量

1601

期刊介绍： ACS Applied Nano Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics and biology relevant to applications of nanomaterials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important applications of nanomaterials.