Surface-Specific Functionalization of Nanoscale Metal-Organic Frameworks

被引：104

作者：

Wang, Shunzhi ^{[1
]}

Morris, William ^{[2
]}

Liu, Yangyang ^{[1
]}

McGuirk, C. Michael ^{[1
]}

Zhou, Yu ^{[3
]}

Hupp, Joseph T. ^{[1
]}

Farha, Omar K. ^{[1
,4
]}

Mirkin, Chad A. ^{[1
,2
,3
]}

机构：

[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

[2] Northwestern Univ, Int Inst Nanotechnol, Evanston, IL USA

[3] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA

[4] King Abdulaziz Univ, Dept Chem, Jeddah 21413, Saudi Arabia

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 49期

基金：

美国国家科学基金会;

关键词：

metal-organic frameworks; phosphate lipids; post-synthetic modification; surface functionalization; zirconium oxo clusters; COORDINATION POLYMERS; ZIRCONIUM-PHOSPHATE; WATER-ADSORPTION; GAS-SEPARATION; NANOPARTICLES; CHEMISTRY; ROBUST; NANO; MOLECULES; OXIDATION;

D O I：

10.1002/anie.201506888

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A method for modifying the external surfaces of a series of nanoscale metal-organic frameworks (MOFs) with 1,2-dioleoyl-sn-glycero-3-phosphate (DOPA) is presented. A series of zirconium-based nanoMOFs of the same topology (UiO-66, UiO-67, and BUT-30) were synthesized, isolated as aggregates, and then conjugated with DOPA to create stably dispersed colloids. BET surface area analysis revealed that these structures maintain their porosity after surface functionalization, providing evidence that DOPA functionalization only occurs on the external surface. Additionally, dye-labeled ligand loading studies revealed that the density of DOPA on the surface of the nanoscale MOF correlates to the density of metal nodes on the surface of each MOF. Importantly, the surface modification strategy described will allow for the general and divergent synthesis and study of a wide variety of nanoscale MOFs as stable colloidal materials.

引用

页码：14738 / 14742

页数：5

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