MOF@SiO2 core-shell composites as stationary phase in high performance liquid chromatography

Ehrling S, Kutzscher C, Freund P, Mueller P, Senkovska I, Kaskel S (2018)

Publication Type: Journal article

Publication year: 2018

Journal

Microporous and Mesoporous Materials Elsevier

Book Volume: 263

Pages Range: 268-274

DOI: 10.1016/j.micromeso.2018.01.003

Abstract

Mesoporous silica spheres were functionalized with microporous metal-organic frameworks (MOFs), namely MIL-101(Fe)_NH2 (Fe3(O)(BDC_NH2)3(OH)(H2O)2, BDC = benzene-1,4–dicarboxylate) and UiO-67 (Zr6O4(OH)4(BPDC)6, BPDC = 4,4′-biphenyldicarboxylate) to produce core-shell particles for application as stationary phase in high performance liquid chromatography (HPLC) columns using a layer-by-layer method. The composites were studied for application as stationary phase in normal phase HPLC for separation of C8-isomers, dichlorobenzene isomers, styrene and ethylbenzene. Both silica/MOF composites show the highest affinity towards the ortho substituted analytes, indicating that the selectivity is dominated by the polarity of the analytes. Moreover, the UiO-67@SiO2 composite shows high separation efficiency in the separation of dimethyl phthalate and diethyl phthalate, since the number of theoretical plates per meter is very high (37570 m−1).

Involved external institutions

Technische Universität Dresden DE Germany (DE)

How to cite

APA:

Ehrling, S., Kutzscher, C., Freund, P., Mueller, P., Senkovska, I., & Kaskel, S. (2018). MOF@SiO2 core-shell composites as stationary phase in high performance liquid chromatography. Microporous and Mesoporous Materials, 263, 268-274. https://doi.org/10.1016/j.micromeso.2018.01.003

MLA:

Ehrling, Sebastian, et al. "MOF@SiO2 core-shell composites as stationary phase in high performance liquid chromatography." Microporous and Mesoporous Materials 263 (2018): 268-274.

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