共价有机骨架
共轭体系
剥脱关节
共价键
光催化
可见光谱
纳米技术
化学
有机合成
材料科学
石墨烯
催化作用
化学工程
有机化学
聚合物
光电子学
工程类
复合材料
作者
Songde Ma,Yuxin Hou,Liuliu Yang,Huijuan Yue,Hong‐Bo Sun,Xiaoming Liu
标识
DOI:10.1002/cssc.202400315
摘要
Covalent organic framework (COF) nanosheets have recently garnered great attention as a new class of functional materials. As one of the sustainable processes, however, the photocatalytic organic synthesis in water has not been investigated using COF nanosheets as a photocatalyst to date. Herein, we reported the synthesis of a fully conjugated COF nanosheets with carboxyl functional group through a cooperative strategy of chemical exfoliation and group transformation. The new COF nanosheets was found to be an efficient heterogeneous photocatalyst for a wide range of organic synthesis including selective oxidation of sulfides and oxidative coupling of benzylamines in water under visible-light illumination. This work contributes a new roadmap for the design and synthesis of functional COF nanosheets, but also further extends the application boundary of the ultrathin COF nanosheets.
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