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Catalysis with Mesoporous Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Catalytic Materials".

Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 4224

Special Issue Editor


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Guest Editor
Department of Engineering, University of Messina, Messina, Italy
Interests: heterogeneous catalysis; catalytic conversion of renewable biomass for the production of bulk chemicals; development of innovative catalytic materials for sensing applications
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Special Issue Information

Dear Colleagues,

In recent years, environmental and economic concerns have raised strong attention to restyling important industrial processes, so that the use of harmful substances and the generation of toxic waste could be avoided. In this regard, there is no doubt that the development of innovative materials for the improvement of catalytic heterogeneous processes can play a fundamental role in the optimization of environmentally-friendly technologies by substitution, for instance, of liquid acid catalysts by solid materials. Since their discovery, in the early 1990s, ordered mesoporous materials opened the door for new catalytic applications, based partially on novel principles, owing to their extraordinary intrinsic features, stimulating interest in materials with novel framework topologies and a pore architecture. This Special Issue on “Catalysis with Mesoporous Materials” is a suitable approach to discuss the recent progress in the field of ordered mesoporous materials. The articles presented in this Special Issue will cover various topics, ranging from different techniques for the synthesis and morphological modification of mesoporous materials, to the preparation of catalytic systems, and their application in several areas of interest, such as in acid catalytic processes, redox processes, and photochemical and sensing applications. Therefore, this Special Issue welcomes contributions from all researchers working on mesoporous materials, as well as on their characterization, properties, and applications.

The Special Issue will cover, but will not be limited to, the following topics:

  • New syntheses of mesoporous materials;
  • Techniques of morphology modification;
  • Highly dispersed heteroatoms and oxidic species;
  • Highly dispersed metal-, metal oxide-, or metal sulfide-nanoparticles;
  • Anchoring of molecular active species to the surface;
  • Ordered mesoporous materials in catalysis;
  • Grafted active sites and their characterization;
  • Mesoporosity and biological materials;
  • Acid-base reactions for chemical synthesis;
  • Functionalized mesoporous materials as suitable catalysts;
  • Mesoporous supports;
  • Redox catalysis with mesoporous systems;
  • Catalysis by supported nanoparticles materials;
  • Photochemical properties and applications of mesoporous materials;
  • Electrochemical and optical properties on ordered mesoporous materials;
  • Mesoporous materials in sensing.

It is my pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are welcome.

Prof. Claudia Espro
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 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. Materials 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 2600 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

  • Surface modifications
  • Novel materials
  • Anchoring
  • Grafting
  • Acid base reactions
  • Redox catalysis
  • Supported nanomaterials
  • Highly dispersed species
  • New applications

Published Papers (2 papers)

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Research

18 pages, 1477 KiB  
Article
Ferrierite and Its Delaminated Forms Modified with Copper as Effective Catalysts for NH3-SCO Process
by Aneta Święs, Małgorzata Rutkowska, Andrzej Kowalczyk, Urbano Díaz, Antonio E. Palomares and Lucjan Chmielarz
Materials 2020, 13(21), 4885; https://0-doi-org.brum.beds.ac.uk/10.3390/ma13214885 - 30 Oct 2020
Cited by 5 | Viewed by 2007
Abstract
Ferrierites and their delaminated forms (ITQ-6), containing aluminum or titanium in the zeolite framework, were synthetized and modified with copper by an ion-exchange method. The obtained samples were characterized with respect to their chemical composition (ICP-OES), structure (XRD, UV-Vis DRS), textural parameters (N [...] Read more.
Ferrierites and their delaminated forms (ITQ-6), containing aluminum or titanium in the zeolite framework, were synthetized and modified with copper by an ion-exchange method. The obtained samples were characterized with respect to their chemical composition (ICP-OES), structure (XRD, UV-Vis DRS), textural parameters (N2-sorption), surface acidity (NH3-TPD), form and reducibility of deposited copper species (UV-Vis DRS and H2-TPR). Ferrierites and delaminated ITQ-6 zeolites modified with copper were studied as catalysts for the selective catalytic oxidation of ammonia to dinitrogen (NH3-SCO). It was shown that aggregated copper oxide species, which were preferentially formed on Ti-zeolites, were catalytically active in direct low-temperature ammonia oxidation to NO, while copper introduced into Al-zeolites was present mainly in the form of monomeric copper cations catalytically active in selective reduction of NO by ammonia to dinitrogen. It was postulated that ammonia oxidation in the presence of the studied catalysts proceeds according to the internal-selective catalytic reduction mechanism (i-SCR) and therefore the suitable ratio between aggregated copper oxide species and monomeric copper cations is necessary to obtain active and selective catalysts for the NH3-SCO process. Cu/Al-ITQ-6 presented the best catalytic properties possibly due to the most optimal ratio of these copper species. Full article
(This article belongs to the Special Issue Catalysis with Mesoporous Materials)
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10 pages, 3318 KiB  
Article
In Situ Recrystallization of Mesoporous Carbon–Silica Composite for the Synthesis of Hierarchically Porous Zeolites
by Jun Du, Yan Wang, Yan Wang and Ruifeng Li
Materials 2020, 13(7), 1640; https://0-doi-org.brum.beds.ac.uk/10.3390/ma13071640 - 02 Apr 2020
Cited by 8 | Viewed by 1926
Abstract
Hierarchically porous ZSM-5 was prepared by utilizing a two-step crystallization procedure with carbon–silica composites as precursors. The hierarchically porous zeolites obtained a regular mesoporous structure with aluminum incorporated into the carbon–silica composite frameworks. The carbon–silica composite zeolites were characterized by XRD, TEM, SEM, [...] Read more.
Hierarchically porous ZSM-5 was prepared by utilizing a two-step crystallization procedure with carbon–silica composites as precursors. The hierarchically porous zeolites obtained a regular mesoporous structure with aluminum incorporated into the carbon–silica composite frameworks. The carbon–silica composite zeolites were characterized by XRD, TEM, SEM, and nitrogen adsorption/desorption. As-prepared hierarchical zeolites were used in the 1,3,5-triisopropylbenzene (TIPB) cracking reaction and exhibited significantly high TIPB conversion, while the accessibility factors were also determined. Full article
(This article belongs to the Special Issue Catalysis with Mesoporous Materials)
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