Silica-MOF Composites as a Stationary Phase in Liquid Chromatography

被引:127
作者
Ameloot, Rob [1 ]
Liekens, Anuschka [2 ]
Alaerts, Luc [1 ]
Maes, Michael [1 ]
Galarneau, Anne [3 ]
Coq, Bernard [3 ]
Desmet, Gert [2 ]
Sels, Bert F. [1 ]
Denayer, Joeri F. M. [2 ]
De Vos, Dirk E. [1 ]
机构
[1] Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, B-3001 Louvain, Belgium
[2] Vrije Univ Brussel, Dept Chem Engn, B-1050 Brussels, Belgium
[3] UM1, ENSCM, UM2, CNRS,Inst Charles Gerhardt Montpellier,UMR 5253, F-34296 Montpellier, France
关键词
Metal-organic frameworks; Liquid chromatography; Crystal engineering; Solvent effects; XYLENE ISOMERS; SEPARATION; FRAMEWORK; PERFORMANCE; AMINES;
D O I
10.1002/ejic.201000494
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Metal-organic framework materials (MOFs) are a class of microporous and crystalline materials with great potential for adsorption-based separations. Harnessing the separation ability of these materials in high-performance liquid chromatography (HPLC) requires the use of small and uniform particles in order to achieve good column packing. The well-known MOF material [Cu-3(BTC)(2)] is, however, typically synthesized as a polydisperse mixture due to its nucleation and growth mechanism. It is demonstrated how a new synthesis method for (Cu-3(BTC)(2)] enables the formation of the MOF inside the pores of silica beads often used in chromatography, leading to monodisperse silica-MOF composite spheres with a uniform particle size of 3 mu m. When employed as an HPLC stationary phase, this material combines the good column packing properties of the silica and separation ability of the MOF material.
引用
收藏
页码:3735 / 3738
页数:4
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