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Special Issue "Functional Metal-Organic Framework Based Materials"

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

Deadline for manuscript submissions: 30 June 2019

Special Issue Editors

Guest Editor
Dr. Luís Cunha Silva

LAQV-REQUIMTE Associate Laboratory, Universidade do Porto, Porto, Portugal
Website | E-Mail
Interests: materials science and catalysis; coordination and inorganic chemistry; multifunctional metal-organic frameworks; high nuclearity coordination complexes; sustainable crystalline coordination polymers; structural chemistry; X-ray diffraction analysis
Guest Editor
Dr. Filipe Alexandre Almeida Paz

Department of Chemistry & CICECO−Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
Website | E-Mail
Interests: Design of functional metal-organic frameworks; catalysis; photoluminescence; proton conductivity; new synthetic methods of MOFs; sensing; interconvertible MOFs; sustainable synthesis methods

Special Issue Information

Dear Colleagues,

In the last two decades, research in metal-organic frameworks (MOFs) and porous coordination polymers (PCPs) changed the way chemists looked into traditional coordination chemistry. The rapid and widespread interest in these compounds, drastically motivated by the symbiotic combination of organic and inorganic components, rapidly evolved into their possible technological application in gas sorption/separation, catalysis, chemical sensing, energy storage, and conversion among many others.

The enormous potential in distinct scientific areas arises from mostly from their unique structural features, particularly well-defined crystalline structures, adjustable pore topology, ultra-high surface areas, and excellent tailorability. Thus, the initial scientific drive for unique and exotic crystal structures remains intrinsically connected to this research field. More recently, the functionality and potential applicability of MOFs and PCPs have been directed towards the preparation of MOF-based compounds and materials: post-synthetic modified MOFs, [email protected], MOFs/substrates, and pyrolytic MOFs.

The present Special Issue aims to assemble the recent relevant scientific achievements in the field of functional pristine MOFs and MOF-derived materials. The Special Issue will significantly benefit from the simultaneous contribution of original research articles as well of pertinent and critical review articles in this scientific field.

Dr. Luís Cunha Silva
Dr. Filipe Alexandre Almeida Paz
Guest Editors

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 semimonthly 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

  • Exotic MOF architectures
  • Modular assembly of MOFs
  • Photoluminescence
  • Gas separation and storage
  • MOFs for sensing applications
  • MOFs for energy conversion
  • Defects and MOFs and their properties
  • Ferroelectrics in MOFs
  • New methods of synthesis of MOFs
  • MOFs as efficient catalysts
  • Post-synthetic modification of MOFs

Published Papers (2 papers)

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Research

Open AccessArticle
Structural Transformations in the Thermal Dehydration of [Cu2(bpa)(btec)(H2O)4]n Coordination Polymer
Molecules 2019, 24(9), 1840; https://doi.org/10.3390/molecules24091840
Received: 17 April 2019 / Revised: 3 May 2019 / Accepted: 11 May 2019 / Published: 13 May 2019
PDF Full-text (4440 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
Reactions between pyridinic ligands such as 1,2-bis(4-pyridyl)ethane (bpa) and transition metal cations are a very widespread technique to produce extended coordination polymers such as Metal-Organic Frameworks. In combination with a second ligand these systems could present different topologies and behaviors. In [...] Read more.
Reactions between pyridinic ligands such as 1,2-bis(4-pyridyl)ethane (bpa) and transition metal cations are a very widespread technique to produce extended coordination polymers such as Metal-Organic Frameworks. In combination with a second ligand these systems could present different topologies and behaviors. In this context, the use of 1,2,4,5-benzenetetracarboxylic acid (H4btec) gave us a novel 2D compound, [Cu2(bpa)(btec)(H2O)4]n (1), which was prepared by microwave-assisted synthesis and structurally characterized by means of single crystal X-ray diffraction. Its thermal behavior was analyzed through thermogravimetric analysis and variable temperature powder X-ray diffraction, concluding that thermal stability is influenced by the coordination water molecules, allowing two sequential thermochromic phase transformations to take place. These transformations were monitored by electronic paramagnetic resonance spectroscopy and magnetic susceptibility measurements. In addition, the crystal structure of the anhydrous compound [Cu2(bpa)(btec)]n (1.ah) was determined. Finally, a topological study was carried out for the bpa ligand considering all the structures deposited in the Cambridge Structural Databased. More than 1000 structures were analyzed and classified into 17 different topologies, according to the role of the ligand. Full article
(This article belongs to the Special Issue Functional Metal-Organic Framework Based Materials)
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Open AccessFeature PaperArticle
New Copper(II) Coordination Compounds Assembled from Multifunctional Pyridine-Carboxylate Blocks: Synthesis, Structures, and Catalytic Activity in Cycloalkane Oxidation
Received: 25 November 2018 / Revised: 15 December 2018 / Accepted: 18 December 2018 / Published: 20 December 2018
Cited by 1 | PDF Full-text (4019 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
Two new copper(II) coordination compounds, namely a 1D coordination polymer [Cu(µ-cpna)(phen)(H2O)]n (1) and a discrete tetracopper(II) derivative [Cu(phen)2(H2O)]2[Cu2(µ-Hdppa)2(Hdppa)2] (2), were hydrothermally synthesized from copper(II) [...] Read more.
Two new copper(II) coordination compounds, namely a 1D coordination polymer [Cu(µ-cpna)(phen)(H2O)]n (1) and a discrete tetracopper(II) derivative [Cu(phen)2(H2O)]2[Cu2(µ-Hdppa)2(Hdppa)2] (2), were hydrothermally synthesized from copper(II) chloride as a metal source, 5-(4-carboxyphenoxy)nicotinic acid (H2cpna) or 5-(3,4-dicarboxylphenyl)picolinic acid (H3dppa) as a principal building block, and 1,10-phenanthroline (phen) as a crystallization mediator. Compounds 1 and 2 were isolated as air-stable microcrystalline solids and fully characterized by elemental and thermogravimetric analyses, IR spectroscopy, powder and single-crystal X-ray diffraction. In the solid state, the structure of 1 discloses the linear interdigitated 1D coordination polymer chains with the 2C1 topology. The crystal structure of an ionic derivative 2 shows that the mono- and dicopper(II) units are extended into the intricate 1D hydrogen-bonded chains with the SP 1-periodic net (4,4)(0,2) topology. Thermal stability and catalytic properties of 1 and 2 were also investigated. In fact, both Cu derivatives act as efficient homogeneous catalysts (catalyst precursors) for the mild oxidation of cycloalkanes by hydrogen peroxide to give the corresponding alcohols and ketones; the substrate scope and the effects of type and amount of acid promoter as well as bond-, regio-, and stereo-selectivity features were investigated. Full article
(This article belongs to the Special Issue Functional Metal-Organic Framework Based Materials)
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Graphical abstract

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