相关实验视频

Updated: Feb 24, 2026

Microfluidic-based Synthesis of Covalent Organic Frameworks COFs: A Tool for Continuous Production of COF Fibers and Direct Printing on a Surface

Microfluidic-based Synthesis of Covalent Organic Frameworks COFs: A Tool for Continuous Production of COF Fibers and Direct Printing on a Surface

Published on: July 10, 2017

一个稳定的,半孔的三维共价有机框架作为一个多功能功能平台

Chengyu Ji¹, Haorui Zheng¹, Wenjuan Zhao²

¹State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, P.R. China.

Angewandte Chemie (International ed. in English)

|February 22, 2026

概括

研究人员开发了一种新的共价有机框架 (COF) 平台,JUC-685,可以在不损失结构的情况下实现毛孔功能. 这一突破允许在功能化的COF中进行光诱导的CO2吸附调制.

科学领域:

材料科学材料科学材料科学
化学化学化学

背景情况:

在保持结晶性和多孔性的同时,使共价有机框架 (COF) 发挥功能是具有挑战性的.
现有的方法往往会损害COF的结构完整性.

研究的目的:

开发一个稳定,半孔的3D COF平台,用于整合多种功能.
展示一种创建具有结构秩序和孔隙性的功能化COF的方法.

主要方法:

合成了一个稳定的,半孔的3DCOF,JUC-685,具有高表面积和大孔.
采用溶剂辅助链接器交换 (SALE) 策略,引入功能部分,如亚博和碳.
产生了一系列异构的功能化COFs (JUC-686到JUC-689).

主要成果:

JUC-685的表面积为2,188 m2g-1,孔隙大小为3.20 nm.
亚博烯功能化衍生物JUC-686保留了很高的表面积 (2,131 m2 g-1) 和中等度 (3.09 nm).
JUC-686显示了显著的二氧化碳吸附能力的光诱导调节 (60.4%的变化),这是阿佐本功能化的多孔材料中报告的最高值.

结论:

建立了一个用于合成具有孔壁功能的高晶体COF的通用平台.
开发的方法将COF中的功能与结构顺序脱.
开辟了智能吸附,催化和其他使用功能化COFs的应用的新途径.

关键词:

二氧化碳的动态捕获.共价有机框架是共价有机框架.功能化的功能化.有孔的材料是多孔的材料.通过溶剂辅助的链接器交换.

更多相关视频

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks

Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks

Published on: February 10, 2023

相关概念视频

Aromatic Hydrocarbon Anions: Structural Overview

Aromatic Hydrocarbon Anions: Structural Overview

Neutral hydrocarbons like cyclopentadiene with an odd number of carbon atoms and one intervening CH2 group in the ring are not aromatic. Cyclopentadiene with 4 π electrons does not satisfy the 4n + 2 π electron rule. Additionally, the intervening CH2 group is sp3 hybridized and lacks a vacant p orbital, thereby interrupting the overlap of p orbitals in a continuous manner and preventing the delocalization of π electrons throughout the ring.
Due to the absence of continuous...

Aromatic Hydrocarbon Cations: Structural Overview

Aromatic Hydrocarbon Cations: Structural Overview

Cycloheptatriene is a neutral monocyclic unsaturated hydrocarbon that consists of an odd number of carbon atoms and an intervening sp3 carbon in the ring. The three double bonds in the ring correspond to 6 π electrons, which is a Huckel number, and therefore satisfies the criteria of 4n + 2 π electrons. However, the intervening sp3 carbon disrupts the continuous overlap of p orbitals. As a result, cycloheptatriene is not aromatic.
Removing one hydrogen from the intervening CH2 group...

Five-Membered Heterocyclic Aromatic Compounds: Overview

Five-Membered Heterocyclic Aromatic Compounds: Overview

Heterocyclic aromatic compounds are cyclic compounds that are aromatic and have one or more heteroatoms—atoms other than carbon, in the ring. Depending upon the number of atoms present in the ring, they can be either five or six-membered. Examples of five-membered heterocyclic aromatic compounds include pyrrole, furan, thiophene, and imidazole. Pyrrole consists of one nitrogen atom having one lone pair of electrons. Furan and thiophene have one oxygen and one sulfur heteroatom,...