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Updated: Jun 29, 2025

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

Published on: August 16, 2018

将氨基位点固定在一个有孔分区的金属有机框架中,用于高效地分离/

Yuhang Huang¹, Yanfei Feng², Yi Li¹

¹State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, China.

Angewandte Chemie (International ed. in English)

|March 27, 2024

概括

用氨基组 (NH2) 功能化多孔材料增强了烯/烯分离,产生高纯度聚合物级烯. 这一突破提供了利用先进的金属有机框架有效捕获微量烯.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
分离科学分离科学

背景情况:

/的吸附性分离是关键的,但具有挑战性.
开发多孔材料以有效捕获微量胺仍然很困难.

研究的目的:

功能化孔隔金属有机框架 (ppMOFs),以增强/分离.
调查固定的易斯基 (NH2) 和易斯酸 (NO2) 位点对分离性能的影响.

主要方法:

氨基 (-NH2) 和基 (-NO2) 组的固定在ppMOF上.
在室温下进行气体吸附和分离实验.
在现场红外光谱学和晶体分析.

主要成果:

获得NH2-装饰的ppMOF (NTU-100-NH2) 实现了高烯吸收 (8.3 mmol/g) 和出色的动力选择性.
有效地生产聚合物级烯 (99.95%) 具有高烯吸收能力.
NH2功能化的ppMOF表现出比NO2装饰的对应物高出六倍的性能.

结论:

用氨基基组对ppMOFs的功能化是一种可行的策略,可以有效地进行/分离.
密集的氨基群使得可选择性地识别和稳定propyne分子.
这种方法提供了一个强大的工具,用于定制先进的材料,以完成具有挑战性的分离任务.

关键词:

面向设计的面向设计用氨基酸装饰的孔隙分隔框架.在现场分析分析.整合性质的自然.烯/烯分离的方法

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