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Catalysts
Special Issues
Applications of Nanoporous Materials in Catalysis
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Applications of Nanoporous Materials in Catalysis

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

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 6281

Special Issue Editor

Dr. Pascual Oña Burgos

E-Mail Website
Guest Editor
1. Department of Chemistry and Physics, Research Centre CIAIMBITAL, University of Almería, Ctra. Sacramento, s/n, E-04120 Almería, Spain
2. CSIC-UPV - Instituto de Tecnología Química (ITQ), Valencia, Spain
Interests: my research is focused on small molecules activation (such as H2O, CO2 and CH4) with heterometallic complexes which are used as building blocks of well-defined materials in the heterogenization processes

Special Issue Information

Dear Colleagues,

Nanoporous materials have attracted great interest due to their excellent porous properties, which are expected to lead to a variety of applications, especially in catalysis, exploiting their ordered nanospace structures. These can be organic as covalent organic frameworks (COFs), inorganic as zeolites, and hybrid as metal organic frameworks (MOFs). Topology, morphology, pore-size, particle size, and composition are modulated during the synthetic procedure, which is essential to develop novel, selective, and active nanoporous catalytic materials. This Special Issue aims to cover recent progress and trends in designing, synthesizing, characterizing, and evaluating advanced nanoporous materials for catalytic applications, such as acid-based, redox, electro-, and photo-catalysis.

Dr. Pascual Oña Burgos
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. 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 2700 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

  • covalent organic frameworks (COFs)
  • metal–organic frameworks (MOFs)
  • zeolites
  • metal-containing zeolites
  • acid-base catalysis
  • redox catalysis
  • electrocatalysis
  • photocatalysis

Published Papers (2 papers)

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Research

14 pages, 6615 KiB  
Article
Facile Hydrothermal Synthesis and Supercapacitor Performance of Mesoporous Necklace-Type ZnCo2O4 Nanowires
by John Anthuvan Rajesh and Kwang-Soon Ahn
Catalysts 2021, 11(12), 1516; https://0-doi-org.brum.beds.ac.uk/10.3390/catal11121516 - 13 Dec 2021
Cited by 12 | Viewed by 2190
Abstract
In this work, mesoporous ZnCo2O4 electrode material with necklace-type nanowires was synthesized by a simple hydrothermal method using water/ethylene glycol mixed solvent and subsequent calcination treatment. The ZnCo2O4 nanowires were assembled by several tiny building blocks of [...] Read more.
In this work, mesoporous ZnCo2O4 electrode material with necklace-type nanowires was synthesized by a simple hydrothermal method using water/ethylene glycol mixed solvent and subsequent calcination treatment. The ZnCo2O4 nanowires were assembled by several tiny building blocks of nanoparticles which led to the growth of necklace-type nanowires. The as-synthesized ZnCo2O4 nanowires had porous structures with a high surface area of 25.33 m2 g−1 and with an average mesopore of 23.13 nm. Due to the higher surface area and mesopores, the as-prepared necklace-type ZnCo2O4 nanowires delivered a high specific capacity of 439.6 C g−1 (1099 F g−1) at a current density of 1 A g−1, decent rate performance (47.31% retention at 20 A g−1), and good cyclic stability (84.82 % capacity retention after 5000 cycles). Moreover, a hybrid supercapacitor was fabricated with ZnCo2O4 nanowires as a positive electrode and activated carbon (AC) as a negative electrode (ZnCo2O4 nanowires//AC), which delivered an energy density of 41.87 Wh kg−1 at a power density of 800 W kg−1. The high electrochemical performance and excellent stability of the necklace-type ZnCo2O4 nanowires relate to their unique architecture, high surface area, mesoporous nature, and the synergistic effect between Zn and Co metals. Full article
(This article belongs to the Special Issue Applications of Nanoporous Materials in Catalysis)
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16 pages, 4972 KiB  
Article
Highly Efficient MOF Catalyst Systems for CO2 Conversion to Bis-Cyclic Carbonates as Building Blocks for NIPHUs (Non-Isocyanate Polyhydroxyurethanes) Synthesis
by Adolfo Benedito, Eider Acarreta and Enrique Giménez
Catalysts 2021, 11(5), 628; https://0-doi-org.brum.beds.ac.uk/10.3390/catal11050628 - 12 May 2021
Cited by 5 | Viewed by 3388
Abstract
The present paper describes a greener sustainable route toward the synthesis of NIPHUs. We report a highly efficient solvent-free process to produce [4,4′-bi(1,3-dioxolane)]-2,2′-dione (BDC), involving CO2, as renewable feedstock, and bis-epoxide (1,3-butadiendiepoxide) using only metal–organic frameworks (MOFs) as catalysts and cetyltrimethyl-ammonium [...] Read more.
The present paper describes a greener sustainable route toward the synthesis of NIPHUs. We report a highly efficient solvent-free process to produce [4,4′-bi(1,3-dioxolane)]-2,2′-dione (BDC), involving CO2, as renewable feedstock, and bis-epoxide (1,3-butadiendiepoxide) using only metal–organic frameworks (MOFs) as catalysts and cetyltrimethyl-ammonium bromide (CTAB) as a co-catalyst. This synthetic procedure is evaluated in the context of reducing global emissions of waste CO2 and converting CO2 into useful chemical feedstocks. The reaction was carried out in a pressurized reactor at pressures of 30 bars and controlled temperatures of around 120–130 °C. This study examines how reaction parameters such as catalyst used, temperature, or reaction time can influence the molar mass, yield, or reactivity of BDC. High BDC reactivity is essential for producing high molar mass linear non-isocyanate polyhydroxyurethane (NIPHU) via melt-phase polyaddition with aliphatic diamines. The optimized Al-OH-fumarate catalyst system described in this paper exhibited a 78% GC-MS conversion for the desired cyclic carbonates, in the absence of a solvent and a 50 wt % chemically fixed CO2. The cycloaddition reaction could also be carried out in the absence of CTAB, although lower cyclic carbonate yields were observed. Full article
(This article belongs to the Special Issue Applications of Nanoporous Materials in Catalysis)
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