Uniform distribution of post-synthetic linker exchange in metal-organic frameworks revealed by Rutherford backscattering spectrometry

被引：28

作者：

Fluch, Ulrike ^{[1
]}

Paneta, Valentina ^{[2
]}

Primetzhofer, Daniel ^{[2
]}

Ott, Sascha ^{[1
]}

机构：

[1] Uppsala Univ, Dept Chem, Angstrom Lab, Box 523, S-75120 Uppsala, Sweden

[2] Uppsala Univ, Dept Phys & Astron, Box 516, S-75120 Uppsala, Sweden

来源：

CHEMICAL COMMUNICATIONS | 2017年 / 53卷 / 48期

基金：

瑞士国家科学基金会; 瑞典研究理事会; 欧洲研究理事会;

关键词：

ENERGY-TRANSFER; STORAGE; MOFS;

D O I：

10.1039/c7cc02631e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Rutherford backscattering spectrometry (RBS) has been used for the first time to study post-synthetic linker exchange (PSE) in metal-organic frameworks. RBS is a non-invasive method to quantify the amount of introduced linker, as well as providing a means for depth profiling in order to identify the preferred localization of the introduced linker. The exchange of benzenedicarboxylate (bdc) by similarly sized 2-iodobenzenedicarboxylate (I-bdc) proceeds considerably slower than migration of I-dbc through the UiO-66 crystal. Consequently, the I-bdc is found evenly distributed throughout the UiO-66 samples, even at very short PSE exposure times.

引用

页码：6516 / 6519

页数：4

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