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Special Issue "Metal-Organic Frameworks: Chemistry and Applications"

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Organic Synthesis".

Deadline for manuscript submissions: closed (30 March 2015)

Special Issue Editor

Guest Editor
Prof. Dr. Dong-Sheng Li

College of Materials & Chemical Engineering, Research Institute of Materials, China Three Gorges University, Yichang 443002, China
E-Mail
Interests: Metal-Organic Frameworks (MOFs); coordination chemistry; functional nanomaterials

Special Issue Information

Dear Colleagues,

Because their structures can be designed, and because of their functional harmoniousness, metal-organic frameworks (MOFs) have recently emerged as a novel class of promising inorganic–organic hybrid materials. In most cases, correlative research work has come forth in different levels of journals. Consequently, it is necessary for a Special Issue to provide a broad survey and address various aspects in the field of metal-organic frameworks. On the one hand, this Special Issue will provide an attractive opportunity for the readership to obtain significant and helpful information concerning the functional metal-organic frameworks. On the other hand, it will be an appropriate occasion for the authors to exhibit and publish their latest achievements in the field of Metal-organic frameworks.

This Special Issue is accepts extensive contributions involving all the different aspects broadly indicated by the keywords. Review articles by experts in the field will also be welcome.

Prof. Dr. Dong-Sheng Li
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


Keywords

  • metal-organic frameworks
  • single crystal x-ray diffraction
  • topological analysis
  • luminescence
  • catalysis
  • magnetism
  • other properties

Published Papers (5 papers)

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Research

Open AccessArticle Multidimensional Transition Metal Complexes Based on 3-Amino-1H-1,2,4-triazole-5-carboxylic Acid: From Discrete Mononuclear Complexes to Layered Materials
Molecules 2015, 20(7), 12341-12363; doi:10.3390/molecules200712341
Received: 1 June 2015 / Revised: 22 June 2015 / Accepted: 25 June 2015 / Published: 7 July 2015
Cited by 1 | PDF Full-text (8064 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The synthesis and structural characterization of five transition metal complexes with different dimensionality and incorporating residues of 3-amino-1H-1,2,4-triazole-5-carboxylic acid (H2atrc) is reported: [Zn(Hatrc)2(H2O)] (1), [Mn(Hatrc)2(H2O)2]·2H2O
[...] Read more.
The synthesis and structural characterization of five transition metal complexes with different dimensionality and incorporating residues of 3-amino-1H-1,2,4-triazole-5-carboxylic acid (H2atrc) is reported: [Zn(Hatrc)2(H2O)] (1), [Mn(Hatrc)2(H2O)2]·2H2O (2), [Fe2(Hatrc)4(OH)2]·6H2O (3), [Cd(Hatrc)2(H2O)]n (4), and [Mn(atrc)(H2O)]n·nH2O (5). These materials could be prepared from solution (13), diffusion (4), or hydrothermal reactions (5) with various anions and L:M ratios. Structural details were revealed by single crystal X-ray diffraction. The discrete units composing compounds 13, the polymeric 1D chain of 4 and the 2D layer of 5 are further extended into 3D supramolecular architectures through the formation of hydrogen bonds. Full article
(This article belongs to the Special Issue Metal-Organic Frameworks: Chemistry and Applications)
Open AccessArticle Post-Synthetic Shaping of Porosity and Crystal Structure of Ln-Bipy-MOFs by Thermal Treatment
Molecules 2015, 20(7), 12125-12153; doi:10.3390/molecules200712125
Received: 17 April 2015 / Accepted: 23 June 2015 / Published: 3 July 2015
Cited by 4 | PDF Full-text (3429 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The reaction of anhydrous lanthanide chlorides together with 4,4′-bipyridine yields the MOFs 2[Ln2Cl6(bipy)3]·2bipy, with Ln = Pr − Yb, bipy = 4,4′-bipyridine, and 3[La2Cl6(bipy)5]·4bipy. Post-synthetic thermal treatment
[...] Read more.
The reaction of anhydrous lanthanide chlorides together with 4,4′-bipyridine yields the MOFs 2[Ln2Cl6(bipy)3]·2bipy, with Ln = Pr − Yb, bipy = 4,4′-bipyridine, and 3[La2Cl6(bipy)5]·4bipy. Post-synthetic thermal treatment in combination with different vacuum conditions was successfully used to shape the porosity of the MOFs. In addition to the MOFs microporosity, a tuneable mesoporosity can be implemented depending on the treatment conditions as a surface morphological modification. Furthermore, thermal treatment without vacuum results in several identifiable crystalline high-temperature phases. Instead of collapse of the frameworks upon heating, further aggregation under release of bipy is observed. 3[LaCl3(bipy)] and 2[Ln3Cl9(bipy)3], with Ln = La, Pr, Sm, and 1[Ho2Cl6(bipy)2] were identified and characterized, which can also exhibit luminescence. Besides being released upon heating, the linker 4,4′-bipyridine can undergo activation of C-C bonding in ortho-position leading to the in-situ formation of 4,4′:2′,2′′:4′′,4′′′-quaterpyridine (qtpy). qtpy can thereby function as linker itself, as shown for the formation of the network 2[Gd2Cl6(qtpy)2(bipy)2]·bipy. Altogether, the manuscript elaborates the influence of thermal treatment beyond the usual activation procedures reported for MOFs. Full article
(This article belongs to the Special Issue Metal-Organic Frameworks: Chemistry and Applications)
Figures

Open AccessArticle Structural Characteristics and Non-Linear Optical Behaviour of a 2-Hydroxynicotinate-Containing Zinc-Based Metal-Organic Framework
Molecules 2015, 20(5), 8941-8951; doi:10.3390/molecules20058941
Received: 30 March 2015 / Revised: 11 May 2015 / Accepted: 12 May 2015 / Published: 18 May 2015
Cited by 5 | PDF Full-text (1746 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
Materials with non-linear optical (NLO) properties play an important role in the construction of electronic devices for optical communications, optical data processing and data storage. With this aim in mind, a Zn(II)-based metal-organic framework {[Zn2(nica)2(bpy)1.5(H2O)]×0.5(bpy)×3H
[...] Read more.
Materials with non-linear optical (NLO) properties play an important role in the construction of electronic devices for optical communications, optical data processing and data storage. With this aim in mind, a Zn(II)-based metal-organic framework {[Zn2(nica)2(bpy)1.5(H2O)]×0.5(bpy)×3H2O}n (1), was synthesized using 4,4ʹ-bipyridine (bpy) and a potentially bidentate ligand, 2-hydroxynicotinic acid (H2nica) with a salicylate binding moiety. A single-crystal X-ray diffraction analysis revealed that compound 1 crystallized in the orthorhombic space group Fdd2 and was composed of a three dimensional porous framework. Since Fdd2 belonged to a class of non-centrosymmetric space groups, we therefore investigated the non-linear optical behaviour of compound 1. Photoluminescence studies revealed that compound 1 exhibited a blue light emission with a maxima at 457 nm. Full article
(This article belongs to the Special Issue Metal-Organic Frameworks: Chemistry and Applications)
Open AccessArticle Silver(I) 2,2'-(1,2-Phenylenedisulfanediyl)diacetic Acid as a Molecular Building Block for a Silver(I)-Cadmium(II) Coordination Polymer
Molecules 2015, 20(5), 8020-8032; doi:10.3390/molecules20058020
Received: 29 March 2015 / Revised: 23 April 2015 / Accepted: 28 April 2015 / Published: 4 May 2015
PDF Full-text (1817 KB) | HTML Full-text | XML Full-text
Abstract
Starting from heterotopic multidentate ligand 2,2'-(1,2-phenylenedisulfanediyl)diacetic acid, (RS,RS,RS,RS/SS,SS,SS,SS)-[Ag{1,2-C6H4(SCH2COOH)22S,S'}2]BF4 (1) was prepared and further used as a building block for the synthesis of heterobimetallic Ag-Cd coordination polymer [Ag2Cd2{1,2-(OOCCH2S)2C6H4}3 (H2O)3·5H2O]n (2). Both complexes were characterized by X-ray structure analysis and conventional spectroscopic techniques. Full article
(This article belongs to the Special Issue Metal-Organic Frameworks: Chemistry and Applications)
Figures

Open AccessArticle Coordination and Crystallization Molecules: Their Interactions Affecting the Dimensionality of Metalloporphyrinic SCFs
Molecules 2015, 20(4), 6683-6699; doi:10.3390/molecules20046683
Received: 5 February 2015 / Revised: 9 March 2015 / Accepted: 8 April 2015 / Published: 15 April 2015
Cited by 3 | PDF Full-text (3188 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
Synthetic metalloporphyrin complexes are often used as analogues of natural systems, and they can be used for the preparation of new Solid Coordination Frameworks (SCFs). In this work, a series of six metalloporphyrinic compounds constructed from different meso substituted metalloporphyrins (phenyl, carboxyphenyl and
[...] Read more.
Synthetic metalloporphyrin complexes are often used as analogues of natural systems, and they can be used for the preparation of new Solid Coordination Frameworks (SCFs). In this work, a series of six metalloporphyrinic compounds constructed from different meso substituted metalloporphyrins (phenyl, carboxyphenyl and sulfonatophenyl) have been structurally characterized by means of single crystal X-ray diffraction, IR spectroscopy and elemental analysis. The compounds were classified considering the dimensionality of the crystal array, referred just to coordination bonds, into 0D, 1D and 2D compounds. This way, the structural features and relationships of those crystal structures were analyzed, in order to extract conclusions not only about the dimensionality of the networks but also about possible applications of the as-obtained compounds, focusing the interest on the interactions of coordination and crystallization molecules. These interactions provide the coordination bonds and the cohesion forces which produce SCFs with different dimensionalities. Full article
(This article belongs to the Special Issue Metal-Organic Frameworks: Chemistry and Applications)
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