1
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Li J, Léonce E, Coutellier C, Boutin C, Chighine K, Rivron C, Davidson A, Berthault P. Integrated Stopped-Flow Device for the Study of Porous Materials Using Hyperpolarized 129Xe NMR. Anal Chem 2024; 96:9430-9437. [PMID: 38819299 DOI: 10.1021/acs.analchem.4c00490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
A simple, low-cost, and efficient device is proposed for the study of porous materials via NMR using small gas probes. Mainly built through additive manufacturing and being equipped with a radiofrequency solenoid microcoil, it only requires tiny quantities of sample and/or gas and is particularly suited for hyperpolarized xenon. The performances of this device have been accessed on a commercial sample of MCM-41 exhibiting multiporosity. Both the delivery mode of hyperpolarized xenon and the stopped-flow system are judged as efficient according to 2D 129Xe self-diffusion and EXSY experiments.
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Affiliation(s)
- Jing Li
- NIMBE, CEA, CNRS, Université de Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Estelle Léonce
- NIMBE, CEA, CNRS, Université de Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Corentin Coutellier
- NIMBE, CEA, CNRS, Université de Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Céline Boutin
- NIMBE, CEA, CNRS, Université de Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Kévin Chighine
- NIMBE, CEA, CNRS, Université de Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Charles Rivron
- NIMBE, CEA, CNRS, Université de Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Anne Davidson
- Laboratoire de Réactivité de Surface, Sorbonne Universités, UPMC Université Paris 06, UMR CNRS 7197, 4 Place Jussieu, 75005 Paris, France
| | - Patrick Berthault
- NIMBE, CEA, CNRS, Université de Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
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2
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Mailhiot S, Peuravaara P, Egleston BD, Kearsey RJ, Mareš J, Komulainen S, Selent A, Kantola AM, Cooper AI, Vaara J, Greenaway RL, Lantto P, Telkki VV. Gas Uptake and Thermodynamics in Porous Liquids Elucidated by 129Xe NMR. J Phys Chem Lett 2024; 15:5323-5330. [PMID: 38724016 PMCID: PMC11129303 DOI: 10.1021/acs.jpclett.4c00223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/22/2024] [Accepted: 04/11/2024] [Indexed: 05/24/2024]
Abstract
We exploited 129Xe NMR to investigate xenon gas uptake and dynamics in a porous liquid formed by dissolving porous organic cages in a cavity-excluded solvent. Quantitative 129Xe NMR shows that when the amount of xenon added to the sample is lower than the amount of cages present (subsaturation), the porous liquid absorbs almost all xenon atoms from the gas phase, with 30% of the cages occupied with a Xe atom. A simple two-site exchange model enables an estimate of the chemical shift of 129Xe in the cages, which is in good agreement with the value provided by first-principles modeling. T2 relaxation times allow the determination of the exchange rate of Xe between the solvent and cage sites as well as the activation energies of the exchange. The 129Xe NMR analysis also enables determination of the free energy of confinement, and it shows that Xe binding is predominantly enthalpy-driven.
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Affiliation(s)
- Sarah
E. Mailhiot
- NMR
Research Unit, Faculty of Science, University
of Oulu, P.O.Box 3000, FI-90014 Oulu, Finland
| | - Petri Peuravaara
- NMR
Research Unit, Faculty of Science, University
of Oulu, P.O.Box 3000, FI-90014 Oulu, Finland
| | - Benjamin D. Egleston
- Department
of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, W12 0BZ, U.K.
| | - Rachel J. Kearsey
- Department
of Chemistry and Materials Innovation Factory, University of Liverpool, Crown Street, Liverpool L69 7ZD, U.K.
| | - Jiří Mareš
- NMR
Research Unit, Faculty of Science, University
of Oulu, P.O.Box 3000, FI-90014 Oulu, Finland
| | - Sanna Komulainen
- NMR
Research Unit, Faculty of Science, University
of Oulu, P.O.Box 3000, FI-90014 Oulu, Finland
| | - Anne Selent
- NMR
Research Unit, Faculty of Science, University
of Oulu, P.O.Box 3000, FI-90014 Oulu, Finland
| | - Anu M. Kantola
- NMR
Research Unit, Faculty of Science, University
of Oulu, P.O.Box 3000, FI-90014 Oulu, Finland
| | - Andrew I. Cooper
- Department
of Chemistry and Materials Innovation Factory, University of Liverpool, Crown Street, Liverpool L69 7ZD, U.K.
| | - Juha Vaara
- NMR
Research Unit, Faculty of Science, University
of Oulu, P.O.Box 3000, FI-90014 Oulu, Finland
| | - Rebecca L. Greenaway
- Department
of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, W12 0BZ, U.K.
| | - Perttu Lantto
- NMR
Research Unit, Faculty of Science, University
of Oulu, P.O.Box 3000, FI-90014 Oulu, Finland
| | - Ville-Veikko Telkki
- NMR
Research Unit, Faculty of Science, University
of Oulu, P.O.Box 3000, FI-90014 Oulu, Finland
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3
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Li Y, Tang J, Lin Y, Li J, Yang Y, Zhao P, Fei J, Xie Y. Ultrasensitive Determination of Natural Flavonoid Rutin Using an Electrochemical Sensor Based on Metal-Organic Framework CAU-1/Acidified Carbon Nanotubes Composites. Molecules 2022; 27:molecules27227761. [PMID: 36431862 PMCID: PMC9695502 DOI: 10.3390/molecules27227761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/05/2022] [Accepted: 11/08/2022] [Indexed: 11/13/2022] Open
Abstract
Rutin, a natural flavonol glycoside, is widely present in plants and foods, such as black tea and wheat tea. The antioxidant and anti-inflammatory effects of flavonoids are well known. In this study, a new electrochemical rutin sensor was developed using multiwalled carbon nanotubes/aluminum-based metal-organic frameworks (MWCNT/CAU-1) (CAU-1, a type of Al-MOF) as the electrode modification material. The suspension of multiwalled carbon tubes was dropped on the surface of the GCE electrode to make MWCNT/GCEs, and CAU-1 was then attached to the electrode surface by electrodeposition. MWCNTs and CAU-1 were characterized using scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). Due to the synergistic effect of CAU-1 and MWCNT-COOH, the prepared sensor showed an ultrasensitive electrochemical response to rutin. Under optimized conditions, the sensor showed a linear relationship between 1.0 × 10-9~3.0 × 10-6 M with a detection limit of 6.7 × 10-10 M (S/N = 3). The sensor also showed satisfactory stability and accuracy in the detection of real samples.
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Affiliation(s)
- Yuhong Li
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Jianxiong Tang
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Yueli Lin
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Jiejun Li
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Yaqi Yang
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Pengcheng Zhao
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Xiangtan University, Xiangtan 411105, China
| | - Junjie Fei
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
- Hunan Institute of Advanced Sensing and Information Technology, Xiangtan University, Xiangtan 411105, China
- Correspondence: (J.F.); (Y.X.)
| | - Yixi Xie
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Xiangtan University, Xiangtan 411105, China
- Correspondence: (J.F.); (Y.X.)
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4
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Stäglich R, Kemnitzer TW, Harder MC, Schmutzler A, Meinhart M, Keenan CD, Rössler EA, Senker J. Portable Hyperpolarized Xe-129 Apparatus with Long-Time Stable Polarization Mediated by Adaptable Rb Vapor Density. J Phys Chem A 2022; 126:2578-2589. [PMID: 35420816 DOI: 10.1021/acs.jpca.2c00891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The extraordinary sensitivity of 129Xe, hyperpolarized by spin-exchange optical pumping, is essential for magnetic resonance imaging and spectroscopy in life and materials sciences. However, fluctuations of the polarization over time still limit the reproducibility and quantification with which the interconnectivity of pore spaces can be analyzed. Here, we present a polarizer that not only produces a continuous stream of hyperpolarized 129Xe but also maintains stable polarization levels on the order of hours, independent of gas flow rates. The polarizer features excellent magnetization production rates of about 70 mL/h and 129Xe polarization values on the order of 40% at moderate system pressures. Key design features include a vertically oriented, large-capacity two-bodied pumping cell and a separate Rb presaturation chamber having its own temperature control, independent of the main pumping cell oven. The separate presaturation chamber allows for precise control of the Rb vapor density by restricting the Rb load and varying the temperature. The polarizer is both compact and transportable─making it easily storable─and adaptable for use in various sample environments. Time-evolved two-dimensional (2D) exchange spectra of 129Xe absorbed in the microporous metal-organic framework CAU-1-AmMe are presented to highlight the quantitative nature of the device.
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Affiliation(s)
- Robert Stäglich
- Inorganic Chemistry III and Northern Bavarian NMR Centre, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Tobias W Kemnitzer
- Inorganic Chemistry III and Northern Bavarian NMR Centre, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Marie C Harder
- Inorganic Chemistry III and Northern Bavarian NMR Centre, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Adrian Schmutzler
- Inorganic Chemistry III and Northern Bavarian NMR Centre, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Marcel Meinhart
- Inorganic Chemistry III and Northern Bavarian NMR Centre, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Caroline D Keenan
- Department of Chemistry and Biochemistry, Carson-Newman University, 1645 Russel Avenue, Jefferson City, Tennessee 37760, United States
| | - Ernst A Rössler
- Inorganic Chemistry III and Northern Bavarian NMR Centre, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Jürgen Senker
- Inorganic Chemistry III and Northern Bavarian NMR Centre, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
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5
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Abstract
Metal–organic frameworks host many types of compositional and structural disorder. In this Highlight article we explore cases where this disorder is correlated, rather than random.
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Affiliation(s)
- Emily G. Meekel
- Department of Chemistry
- Inorganic Chemistry Laboratory
- University of Oxford
- Oxford OX1 3QR
- UK
| | - Andrew L. Goodwin
- Department of Chemistry
- Inorganic Chemistry Laboratory
- University of Oxford
- Oxford OX1 3QR
- UK
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6
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Hyperpolarized Xe NMR signal advancement by metal-organic framework entrapment in aqueous solution. Proc Natl Acad Sci U S A 2020; 117:17558-17563. [PMID: 32661173 DOI: 10.1073/pnas.2004121117] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
We report hyperpolarized Xe signal advancement by metal-organic framework (MOF) entrapment (Hyper-SAME) in aqueous solution. The 129Xe NMR signal is drastically promoted by entrapping the Xe into the pores of MOFs. The chemical shift of entrapped 129Xe is clearly distinguishable from that of free 129Xe in water, due to the surface and pore environment of MOFs. The influences from the crystal size of MOFs and their concentration in water are studied. A zinc imidazole MOF, zeolitic imidazole framework-8 (ZIF-8), with particle size of 110 nm at a concentration of 100 mg/mL, was used to give an NMR signal with intensity four times that of free 129Xe in water. Additionally, Hyper-SAME is compatible with hyperpolarized 129Xe chemical exchange saturation transfer. The 129Xe NMR signal can be amplified further by combining the two techniques. More importantly, Hyper-SAME provides a way to make detection of hyperpolarized 129Xe in aqueous solution convenient and broadens the application area of MOFs.
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7
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Brunner E, Rauche M. Solid-state NMR spectroscopy: an advancing tool to analyse the structure and properties of metal-organic frameworks. Chem Sci 2020; 11:4297-4304. [PMID: 34122887 PMCID: PMC8159446 DOI: 10.1039/d0sc00735h] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 04/05/2020] [Indexed: 02/03/2023] Open
Abstract
Metal-organic frameworks (MOFs) gain increasing interest due to their outstanding properties like extremely high porosity, structural variability, and various possibilities for functionalization. Their overall structure is usually determined by diffraction techniques. However, diffraction is often not sensitive for subtle local structural changes and ordering effects as well as dynamics and flexibility effects. Solid-state nuclear magnetic resonance (ssNMR) spectroscopy is sensitive for short range interactions and thus complementary to diffraction techniques. Novel methodical advances make ssNMR experiments increasingly suitable to tackle the above mentioned problems and challenges. NMR spectroscopy also allows study of host-guest interactions between the MOF lattice and adsorbed guest species. Understanding the underlying mechanisms and interactions is particularly important with respect to applications such as gas and liquid separation processes, gas storage, and others. Special in situ NMR experiments allow investigation of properties and functions of MOFs under controlled and application-relevant conditions. The present minireview explains the potential of various solid-state and in situ NMR techniques and illustrates their application to MOFs by highlighting selected examples from recent literature.
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Affiliation(s)
- Eike Brunner
- Chair of Bioanalytical Chemistry, Faculty of Chemistry and Food Chemistry, TU Dresden 01062 Dresden Germany
| | - Marcus Rauche
- Chair of Bioanalytical Chemistry, Faculty of Chemistry and Food Chemistry, TU Dresden 01062 Dresden Germany
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8
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Leubner S, Stäglich R, Franke J, Jacobsen J, Gosch J, Siegel R, Reinsch H, Maurin G, Senker J, Yot PG, Stock N. Solvent Impact on the Properties of Benchmark Metal-Organic Frameworks: Acetonitrile-Based Synthesis of CAU-10, Ce-UiO-66, and Al-MIL-53. Chemistry 2020; 26:3877-3883. [PMID: 31991507 PMCID: PMC7154691 DOI: 10.1002/chem.201905376] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Indexed: 11/07/2022]
Abstract
Herein is reported the utilization of acetonitrile as a new solvent for the synthesis of the three significantly different benchmark metal-organic frameworks (MOFs) CAU-10, Ce-UiO-66, and Al-MIL-53 of idealized composition [Al(OH)(ISO)], [Ce6 O4 (OH)4 (BDC)6 ], and [Al(OH)(BDC)], respectively (ISO2- : isophthalate, BDC2- : terephthalate). Its use allowed the synthesis of Ce-UiO-66 on a gram scale. While CAU-10 and Ce-UiO-66 exhibit properties similar to those reported elsewhere for these two materials, the obtained Al-MIL-53 shows no structural flexibility upon adsorption of hydrophilic or hydrophobic guest molecules such as water and xenon and is stabilized in its large-pore form over a broad temperature range (130-450 K). The stabilization of the large-pore form of Al-MIL-53 was attributed to a high percentage of noncoordinating -COOH groups as determined by solid-state NMR spectroscopy. The defective material shows an unusually high water uptake of 310 mg g-1 within the range of 0.45 to 0.65 p/p°. In spite of showing no breathing effect upon water adsorption it exhibits distinct mechanical properties. Thus, mercury intrusion porosimetry studies revealed that the solid can be reversibly forced to breathe by applying moderate pressures (≈60 MPa).
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Affiliation(s)
- Sebastian Leubner
- Department for Inorganic ChemistryUniversity of KielMax-Eyth Strasse 224118KielGermany
| | - Robert Stäglich
- Inorganic Chemistry IIIUniversity of BayreuthUniversitätsstrasse 3095447BayreuthGermany
| | - Julia Franke
- Department for Inorganic ChemistryUniversity of KielMax-Eyth Strasse 224118KielGermany
| | - Jannick Jacobsen
- Department for Inorganic ChemistryUniversity of KielMax-Eyth Strasse 224118KielGermany
| | - Jonas Gosch
- Department for Inorganic ChemistryUniversity of KielMax-Eyth Strasse 224118KielGermany
| | - Renée Siegel
- Inorganic Chemistry IIIUniversity of BayreuthUniversitätsstrasse 3095447BayreuthGermany
| | - Helge Reinsch
- Department for Inorganic ChemistryUniversity of KielMax-Eyth Strasse 224118KielGermany
| | - Guillaume Maurin
- Institut Charles Gerhard Montpellier (ICGM) UMR 5253Université de Montpellier, CNRS ENSCM, CC 1505Place Eugène Bataillon43095Montpellier cedex 05France
| | - Jürgen Senker
- Inorganic Chemistry IIIUniversity of BayreuthUniversitätsstrasse 3095447BayreuthGermany
| | - Pascal G. Yot
- Institut Charles Gerhard Montpellier (ICGM) UMR 5253Université de Montpellier, CNRS ENSCM, CC 1505Place Eugène Bataillon43095Montpellier cedex 05France
| | - Norbert Stock
- Department for Inorganic ChemistryUniversity of KielMax-Eyth Strasse 224118KielGermany
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9
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Kolbe F, Krause S, Bon V, Senkovska I, Kaskel S, Brunner E. High-Pressure in Situ 129Xe NMR Spectroscopy: Insights into Switching Mechanisms of Flexible Metal-Organic Frameworks Isoreticular to DUT-49. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2019; 31:6193-6201. [PMID: 35601358 PMCID: PMC9115758 DOI: 10.1021/acs.chemmater.9b02003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/24/2019] [Indexed: 05/29/2023]
Abstract
Flexible metal-organic frameworks (MOFs) are capable of changing their crystal structure as a function of external stimuli such as pressure, temperature, and type of adsorbed guest species. DUT-49 is the first MOF exhibiting structural transitions accompanied by the counterintuitive phenomenon of negative gas adsorption. Here, we present high-pressure in situ 129Xe NMR spectroscopic studies of a novel isoreticular MOF family based on DUT-49. These porous materials differ only in the length of their organic linkers causing changes in pore size and elasticity. The series encompasses both, purely microporous materials as well as materials with both micropores and small mesopores. The chemical shift of the adsorbed xenon depends on xenon-wall interactions and thus on the pore size of the material. The xenon adsorption behavior of different MOFs can be observed over the whole range of relative pressure. Chemical shift adsorption/desorption isotherms closely resembling the conventional, uptake-measurement-based isotherms were obtained at 237 K where all materials are rigid. The comparable chemical environment of the adsorbed xenon in these isoreticular MOFs allows to establish a correlation between the chemical shift at a relative pressure of p/p 0 = 1.0 and the mean pore diameter. Furthermore, the xenon adsorption behavior of MOFs is studied also at 200 K. Here, structural flexibility is found for DUT-50, a material with an even longer linker than that of the previously known DUT-49. Its structural transitions are monitored by 129Xe NMR spectroscopy. This compound is the second known MOF showing the phenomenon of negative gas adsorption. Further increase in the linker length results in DUT-151, a material with an interpenetrated network topology. In situ 129Xe NMR spectroscopy proves that this material exhibits another type of flexibility compared to DUT-49 and DUT-50. Further surprising observations are made for DUT-46. Volumetric xenon adsorption measurements show that this nonflexible microporous material does not exhibit any hysteresis. In contrast, the in situ 129Xe NMR spectroscopically detected xenon chemical shift isotherms exhibit a hysteresis even after longer equilibration times than in the volumetric experiments. This indicates kinetically hindered redistribution processes and long-lived metastable states of adsorbed xenon within the MOF persisting at the time scale of hours or longer.
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Affiliation(s)
- Felicitas Kolbe
- Faculty
of Chemistry and Food Chemistry, Chair of Bioanalytical Chemistry and Faculty of Chemistry
and Food Chemistry, Chair of Inorganic Chemistry I, TU Dresden, D-01062 Dresden, Germany
| | - Simon Krause
- Faculty
of Chemistry and Food Chemistry, Chair of Bioanalytical Chemistry and Faculty of Chemistry
and Food Chemistry, Chair of Inorganic Chemistry I, TU Dresden, D-01062 Dresden, Germany
| | - Volodymyr Bon
- Faculty
of Chemistry and Food Chemistry, Chair of Bioanalytical Chemistry and Faculty of Chemistry
and Food Chemistry, Chair of Inorganic Chemistry I, TU Dresden, D-01062 Dresden, Germany
| | - Irena Senkovska
- Faculty
of Chemistry and Food Chemistry, Chair of Bioanalytical Chemistry and Faculty of Chemistry
and Food Chemistry, Chair of Inorganic Chemistry I, TU Dresden, D-01062 Dresden, Germany
| | - Stefan Kaskel
- Faculty
of Chemistry and Food Chemistry, Chair of Bioanalytical Chemistry and Faculty of Chemistry
and Food Chemistry, Chair of Inorganic Chemistry I, TU Dresden, D-01062 Dresden, Germany
| | - Eike Brunner
- Faculty
of Chemistry and Food Chemistry, Chair of Bioanalytical Chemistry and Faculty of Chemistry
and Food Chemistry, Chair of Inorganic Chemistry I, TU Dresden, D-01062 Dresden, Germany
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10
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Rauche M, Ehrling S, Krause S, Senkovska I, Kaskel S, Brunner E. New insights into solvent-induced structural changes of 13C labelled metal–organic frameworks by solid state NMR. Chem Commun (Camb) 2019; 55:9140-9143. [PMID: 31304489 DOI: 10.1039/c9cc04298a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The proposed 13C isotope-labelling scheme enables the in-depth analysis of site-specific host–guest interactions and adsorption complexes formed in MOFs.
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Affiliation(s)
- Marcus Rauche
- Chair of Bioanalytical Chemistry
- D-01062 Dresden
- Germany
| | | | - Simon Krause
- Chair of Inorganic Chemistry I
- D-01062 Dresden
- Germany
| | | | - Stefan Kaskel
- Chair of Inorganic Chemistry I
- D-01062 Dresden
- Germany
| | - Eike Brunner
- Chair of Bioanalytical Chemistry
- D-01062 Dresden
- Germany
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