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A porous chiral lanthanide metal-organic framework with high thermal stability
Stockholm University, Faculty of Science, Department of Physical, Inorganic and Structural Chemistry.
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2008 (English)In: Zeolites and related materials: Trends, targets and challenges: Proceedings of the 4th International FEZA Conference, Vol. 174, Part A / [ed] Antoine Gédéon, Pascale Massiani and Florence Babonneau, Amsterdam: Elsevier, 2008, 451-454 p.Conference paper (Refereed)
Abstract [en]

A metal-organic framework Nd(BTC)(H2O)·DMF (1), which is isostructural with reported Dy(BTC)(H2O)·DMF [1], Tb(BTC)(H2O)1.5·(DMF) (MOF-76) [2] and Eu(BTC)(H2O)·1.5H2O [3], is synthesized. The compound 1 was characterized by SEM/EDS, TGA and in situ PXRD. The structure was determined by single crystal X-ray diffraction. Compound 1 crystallizes in a chiral space group P43, with a = 10.4278(4) and c = 14.2602(12) Å. The structure contains 1D chiral -Nd-O-C-O-Nd- chains linked by the phenyl groups of BTC ligands. The 3D framework contains circular channels along the [001] direction and is stable up to 400°C.

Place, publisher, year, edition, pages
Amsterdam: Elsevier, 2008. 451-454 p.
, Studies in surface science and catalysis, ISSN 0167-2991
Keyword [en]
lanthanide metal-organic framework, chiral structure, porous material
National Category
Chemical Sciences
URN: urn:nbn:se:su:diva-15433DOI: 10.1016/S0167-2991(08)80238-8ISBN: 978-0-444-53297-8OAI: diva2:181953
Paris, France, 2-6 September 2008
Available from: 2008-12-02 Created: 2008-12-02 Last updated: 2012-03-12Bibliographically approved
In thesis
1. Metal-Organic Frameworks (MOFs) for Heterogeneous Catalysis: Synthesis and Characterization
Open this publication in new window or tab >>Metal-Organic Frameworks (MOFs) for Heterogeneous Catalysis: Synthesis and Characterization
2012 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Metal-organic frameworks (MOFs) are crystalline hybrid materials with interesting chemical and physical properties. This thesis is focused on the synthesis and characterization of different MOFs and their use in heterogeneous catalysis.

Zeolitic imidazolate frameworks (ZIFs), including ZIF-4, ZIF -7 and ZIF -62, Ln(btc)(H2O) (Ln: Nd, Sm, Eu, Gd, Tb, Ho, Er and Yb), Ln2(bpydc)3(H2O)3, (Ln: Sm, Gd, Nd, Eu, Tb, Ho and Er), MOF-253-Ru and Zn(Co-salophen) MOFs were synthesized. Various characterization techniques were applied to study the properties of these MOFs. X-ray powder diffraction (XRPD), single crystal X-ray diffraction (XRD), scanning electron microscopy (SEM) and thermogravimetric analysis (TGA) were extensively used.

The effect of synthesis parameters, such as batch composition and temperature, on the formation and morphology of ZIF-7 and ZIF-62 was studied. Structural transformation and flexibility of two series of lanthanide-based MOFs, Ln(btc)(H2O) (Ln: Nd, Ho and Er) and Ln2(bpydc)3(H2O)3, (Ln: Sm and Gd) upon drying and heating were characterized. Relations between metal coordination, structure flexibility and thermal stability among the Sm2(bpydc)3(H2O)3, Nd(btc)(H2O) and MOF-253 were investigated.

Salophen- and phenanthroline-based organic linkers were designed, synthesized and characterized. Metal complexes were coordinated to these linkers to be used as catalytic sites within the MOFs.

Catalytic studies using two MOF materials, Ln(btc) and MOF-253-Ru, as heterogeneous catalysts in organic transformation reactions were performed. The heterogeneous nature and recyclability of these MOFs were investigated and described.

Place, publisher, year, edition, pages
Department of Materials and Environmental Chemistry (MMK), Stockholms University, 2012. 119 p.
metal-organic frameworks, zeolitic imidazolate frameworks, functionalized linkers, structural transformation, heterogeneous catalysis
National Category
Chemical Sciences
Research subject
Structural Chemistry
urn:nbn:se:su:diva-74431 (URN)978-91-7447-451-0 (ISBN)
Public defence
2012-04-13, Magnélisalen, Kemiska övningslaboratoriet, Svante Arrhenius väg 16 B, Stockholm, 10:00 (English)

At the time of doctoral defence the following papers were unpublished and had a status as follows: Paper nr 4: Submitted; Paper nr 5: Submitted

Available from: 2012-03-22 Created: 2012-03-12 Last updated: 2013-08-14Bibliographically approved

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Gustafsson, MikaelaGrins, JekabsZou, Xiaodong
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