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Catalysts by Metal Organic Frameworks
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Catalysts by Metal Organic Frameworks

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalytic Materials".

Deadline for manuscript submissions: closed (10 November 2021) | Viewed by 14182

Special Issue Editors

Prof. Dr. Hossein Kazemian

E-Mail Website
Guest Editor
Northern Analyt Lab Serv, Univ Northern British Columbia, Prince George, BC V2N 4Z9, Canada
Interests: Environmental applications of industrial minerals (zeolites, clays) CO2 capture; nanocatalysts based on porous material
Dr. Rana Sabouni

E-Mail Website
Guest Editor
Dept Chem Engn, Amer Univ Sharjah, Sharjah POB 26666, U Arab Emirates
Interests: Metal organic frameworks (MOFs) and their enviromental applications: removal of micropollutants and photodegradation; alternative sythesis techniques of MOFs

Special Issue Information

Dear Colleague,

Metal organic frameworks (MOFs), a new generation of emerging porous materials, have gained tremendous attention of researchers in many fields, such as chemistry, physics, engineering, and materials science, due to their potential widespread applications in advanced technologies. MOFs have been exploited in various areas, including adsorption, gas storage, photocatalysis, catalysis, and drug delivery, owing to their extraordinary properties of high surface area, tunable pore size, high chemical and thermal stabilities, and surface modifications. Several methods have been reported that explore new alternative synthesis techniques of MOFs with the aim of developing new synthesis routes that are more environmentally friendly than conventional methods.

This Special Issue aims to report the new green and eco-friendly trends in synthesis of metal organic frameworks and the recent advances in their environmental applications in the areas of photocatalysis and catalysis.

Prof. Dr. Hossein Kazemian
Dr. Rana Sabouni
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 submissions that pass pre-check are 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. Catalysts 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 2200 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 (MOFs)
  • micropollutants
  • photocatalysis
  • photodegradation

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Published Papers (3 papers)

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Research

14 pages, 6391 KiB  
Article
Solketal Production via Solvent-Free Acetalization of Glycerol over Triphosphonic-Lanthanide Coordination Polymers
by Isabel C.M.S. Santos-Vieira, Ricardo F. Mendes, Filipe A. Almeida Paz, João Rocha and Mário M. Q. Simões
Catalysts 2021, 11(5), 598; https://doi.org/10.3390/catal11050598 - 5 May 2021
Cited by 16 | Viewed by 3296
Abstract
Biodiesel is one of the most significant and valuable alternatives to fossil fuels. In the process of transesterification to produce biodiesel from various feedstocks, glycerol is one of the side products obtained, in a high glycerol: biodiesel weight ratio (1:10). Therefore, the growing [...] Read more.
Biodiesel is one of the most significant and valuable alternatives to fossil fuels. In the process of transesterification to produce biodiesel from various feedstocks, glycerol is one of the side products obtained, in a high glycerol: biodiesel weight ratio (1:10). Therefore, the growing world demand for biodiesel prompted a glycerol surplus. It is, thus, of interest to find new and added-value paths for the transformation of this abundant chemical. One of the most auspicious glycerol applications is the production of fuel additives, namely cyclic acetals and ketals, from aldehydes and ketones, respectively. In this work, coordination polymers based on nitrile (trimethylphosphonic acid) and Ln3+/Eu3+ are used as catalysts for the acetalization of the bio-renewable glycerol into oxygenated fuel additives. Solketal is the major product obtained from the reaction of glycerol with acetone. This product improves the cold flow properties, lowering the viscosity of biodiesel, improving combustion, and boosting the octane number. The stability of the materials is studied as well as their recovery and reuse. Full article
(This article belongs to the Special Issue Catalysts by Metal Organic Frameworks)
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11 pages, 2866 KiB  
Article
Microwave-Assisted Solvothermal Synthesis of UiO-66-NH2 and Its Catalytic Performance toward the Hydrolysis of a Nerve Agent Simulant
by Zenghui Zhang, Cheng-An Tao, Jie Zhao, Fang Wang, Jian Huang and Jianfang Wang
Catalysts 2020, 10(9), 1086; https://doi.org/10.3390/catal10091086 - 19 Sep 2020
Cited by 35 | Viewed by 7633
Abstract
Zr-containing metal-organic frameworks (MOFs) exhibit a good performance of catalyzing the hydrolysis of chemical warfare agents, which is closely related to the size of MOF particles and its defects, but these two factors are often intertwined. In this article, we synthesized UiO-66-NH2 [...] Read more.
Zr-containing metal-organic frameworks (MOFs) exhibit a good performance of catalyzing the hydrolysis of chemical warfare agents, which is closely related to the size of MOF particles and its defects, but these two factors are often intertwined. In this article, we synthesized UiO-66-NH2 nanoparticles using a microwave-assisted hydrothermal method. By using a new modulator 4-Fluoro-3-Formyl-Benzoic Acid (FFBA) in different proportions, MOF particles with the same defect degree but different scales and those with similar sizes but different defect degrees can be obtained. The performance of the obtained MOF particles to catalyze the hydrolysis of the nerve agent simulant, dimethyl 4-nitrophenyl phosphate (DMNP), was investigated, and the effects of single factors of size or defect were compared for the first time. As the size of the obtained MOF particles increased from 81 nm to 159 nm, the catalytic degradation efficiency toward DMNP gradually decreased, and the half-life increased from 3.9 min to 11.1 min. For MOFs that have similar crystal sizes, the catalytic degradation half-life of MOF3 is only 5 min, which is much smaller than that of MOF5 due to the defects increase from 1.2 to 1.8 per Zr6 cluster. Full article
(This article belongs to the Special Issue Catalysts by Metal Organic Frameworks)
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9 pages, 4622 KiB  
Communication
A Polyoxometalate Composite Based on Hierarchical MIL-101 with Enhanced Catalytic Activity in Methanolysis of Styrene Oxide
by Tian Zhao, Hexin Zhu and Ming Dong
Catalysts 2020, 10(7), 772; https://doi.org/10.3390/catal10070772 - 10 Jul 2020
Cited by 4 | Viewed by 2506
Abstract
A new efficient polyoxometalate composite catalyst of hierarchical MIL-101 and phosphotungstic acid (PTA) was facilely prepared by the immersion method. The material was thoroughly characterized by powder x-ray diffraction (PXRD), scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDX) and inductively coupled plasma‒optical [...] Read more.
A new efficient polyoxometalate composite catalyst of hierarchical MIL-101 and phosphotungstic acid (PTA) was facilely prepared by the immersion method. The material was thoroughly characterized by powder x-ray diffraction (PXRD), scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDX) and inductively coupled plasma‒optical emission spectrometry (ICP-OES). Compared to the pristine nonhierarchical MIL-101 composite, the hierarchical composite demonstrated much higher catalytic performance in methanolysis of styrene oxide, such as catalytic activity and reusability. Full article
(This article belongs to the Special Issue Catalysts by Metal Organic Frameworks)
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