Exploring reverse shape selectivity and molecular sieving effect of metal-organic framework UIO-66 coated capillary column for gas chromatographic separation

Chang, Na; Yan, Xiu‐Ping

doi:10.1016/j.chroma.2012.07.097

Cited by 145 publications

(105 citation statements)

References 50 publications

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“…Isosteric heats of adsorption were obtained by GCMC simulations, from the combined energy/particle fluctuations (Karavias and Myers, 1991). Our results are shown in Table 4, and compared with results obtained from the literature (Chang and Yan, 2012). The results are in good agreement with each other.…”

Section: Molecular Simulation Of Xylene Isomers Adsorption In Uio 66supporting

confidence: 80%

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ADSORPTION OF XYLENE ISOMERS IN METAL ORGANIC FRAMEWORK UiO-66 BY MOLECULAR SIMULATIONS

Granato

Martins²,

Ferreira³

et al. 2015

Anais Do XX Congresso Brasileiro De Engenharia Química

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-This work presents results of molecular simulations on adsorption of the four xylene isomers (o-, m-, p-xylene and ethylbenzene) in the porous zirconium terephthalate UiO-66. Grand-canonical Monte Carlo simulations (GCMC) are compared to multi-component adsorption equilibrium data obtained by breakthrough experiments. Additionally, the adsorption behavior of each isomer in order to better understand the multicomponent adsorption was evaluated. The simulations confirm that the experimentally observed ortho-selectivity is preferential in relation to the other isomers. Access to the small cages seems to be favored for o-xylene due to its more compact structure that provides more advantages in terms of rotation degrees of freedom. Furthermore, it was found that there is a competition between the other three isomers for adsorption in the UiO-66.

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Section: Molecular Simulation Of Xylene Isomers Adsorption In Uio 66supporting

confidence: 80%

“…Figure 5 -Heats of adsorption versus loading, of the xylene isomers on UiO-66. Open symbols = simulations (this work); closed symbols = experimental (Chang and Yan, 2012). Zoomed area -red rectangle at left -(a) is shown at right (b).…”

Section: Molecular Simulation Of Xylene Isomers Adsorption In Uio 66mentioning

confidence: 99%

ADSORPTION OF XYLENE ISOMERS IN METAL ORGANIC FRAMEWORK UiO-66 BY MOLECULAR SIMULATIONS

Granato

Martins²,

Ferreira³

et al. 2015

Anais Do XX Congresso Brasileiro De Engenharia Química

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“…在分离 C 6 和 C 7 烷烃时, 由于烷烃的二级、三级和四级碳原子上 C-H 基团具有不同的极性, 使其不仅与 UiO-66 之间存在范德华相互作用力, 还与 UiO-66 的酸性位点形成偶极诱导氢键, 从而表现为逆形状选择性, 即支链越多其保留时间越长 [29] .…”

Section: 引言unclassified

“…相同的保留顺序也表现在 MIL-101 [35] 分离 C 5 ～C 13 烷烃. 但相比于 MOF-5 [25] (1 min), 这两种材料的分离时间较长, 这可能与 MOFs 材料本身的特征有关系 [29] . Figure 1 Chromatograms of alkane mixtures separated on a MOF-508 column [23] : (A) separation of n-pentane and n-hexane, (B) separation of 2-methylbutane and n-pentane, (C) separation of 2,2-dimethylbutane, 2-methylpentane, and n-hexane, and (D) separation of an alkane mixture containing 2-methylbutane (1), n-pentane (2), 2,2-dimethylbutane (3), 2-methylpentane (4), and n-hexane (5 35,46] .…”

Section: 引言mentioning

confidence: 99%

Application of Metal-Organic Frameworks in Chromatographic Separation

Li¹,

Shu²,

Chen³

2016

Acta Chim. Sinica

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“…Yan's group has widely explored the analytical applications of MOF materials, ranging from sample collection to chromatographic separation [201][202][203][204][205]. MOFs used as chromatographic solid phases were also investigated [206][207][208] {e.g., a tubular MOF, MOF-CJ3, was chosen as stationary phase to prepare a capillary GC column via a verified dynamic coating procedure.…”

Section: Metal-organic Framework As Solid-phase Sorbentsmentioning

confidence: 99%

Recent advances in solid-phase sorbents for sample preparation prior to chromatographic analysis

Wen

Chen

et al. 2014

TrAC Trends in Analytical Chemistry

335

123

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A B S T R A C TSample preparation is a crucial bottleneck in the whole analytical process. Solid-phase sorbents (SPSs) have aroused increasing interest in research on sample preparation, as they have key roles in obtaining high clean-up and enrichment efficiency in the analysis of trace targets present in complex matrices. The objective of this review is to provide a broad overview of the recent advances and applications of SPSs in sample preparation prior to chromatographic analysis, during the period 2008-13. We include SPSs, such as molecularly-imprinted polymers, carbon nanomaterials, metallic nanoparticles and metal organic frameworks, focusing on solid-phase extraction, solid-phase microextraction, matrix solid-phase dispersion and stir-bar sorptive extraction of typical pollutants in environmental, biological, food and pharmaceutical samples. We propose remaining challenges and future perspectives to improve development of new SPSs and to apply them further.

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Exploring reverse shape selectivity and molecular sieving effect of metal-organic framework UIO-66 coated capillary column for gas chromatographic separation

Cited by 145 publications

References 50 publications

ADSORPTION OF XYLENE ISOMERS IN METAL ORGANIC FRAMEWORK UiO-66 BY MOLECULAR SIMULATIONS

ADSORPTION OF XYLENE ISOMERS IN METAL ORGANIC FRAMEWORK UiO-66 BY MOLECULAR SIMULATIONS

Application of Metal-Organic Frameworks in Chromatographic Separation

Recent advances in solid-phase sorbents for sample preparation prior to chromatographic analysis

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