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Processes
Special Issues
Porous Materials and Their Applications in Catalysis, Environment and Energy
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Porous Materials and Their Applications in Catalysis, Environment and Energy

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Materials Processes".

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 4106

Special Issue Editors

Prof. Dr. Xusheng Wang

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Guest Editor
School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, China
Interests: metal–organic framework materials; photocatalytic properties; porous materials; adsorption; separation
Special Issues, Collections and Topics in MDPI journals
Dr. Jun Liang

E-Mail Website
Guest Editor
School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, China
Interests: porous materials; carbon dioxide capture; heterogeneous catalysis; adsorption; removal of pollutants
Dr. Xiaohui Ren

E-Mail Website
Guest Editor
The State Key Laboratory of Refractories and Metallurgy, Institute of Advanced Materials and Nanotechnology, Wuhan University of Science and Technology, Wuhan 430081, China
Interests: low-dimensional materials; photocatalytic H2 evolution; metal-organic frameworks; photocatalytic CO2 reduction

Special Issue Information

Dear Colleagues,

Porous materials contain regions of empty space into which guest molecules can be selectively adsorbed and sometimes chemically transformed. This has made them useful in both industrial and domestic applications, ranging from gas separation, energy storage and ion exchange to heterogeneous catalysis and green chemistry. On the basis of traditional porous materials, newly developed porous materials, including Metal-Organic Frameworks (MOFs), Hydrogen-bonded Organic Frameworks (HOFs), Covalent Organic Frameworks (COFs) and Conjugated Microporous Polymers (CMPs), dramatically expand the database of porous structures and the range of applications.

This Special Issue on “Porous Materials and the Applications in Catalysis, Environment and Energy” seeks high-quality works focusing on the latest novel advances porous materials for catalysis, the environment and energy. Topics include, but are not limited to:

  • Advanced porous materials (MOFs, COFs, HOFs, CMPs, etc.) synthesis with new structures;
  • Composites containing porous materials or derivatives originating from porous materials;
  • New technical progress of forming process of porous materials;
  • Porous materials related characterization techniques;
  • Applications of porous materials including catalysis, environment, energy.

Prof. Dr. Xusheng Wang
Dr. Jun Liang
Dr. Xiaohui Ren
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. Processes 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 2400 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

  • porous materials
  • MOFs
  • COFs
  • HOFs
  • CMPs
  • forming/shaping
  • catalysis
  • environment
  • energy

Published Papers (3 papers)

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Research

12 pages, 2589 KiB  
Article
Lattice Shrinkage of 2D-COFs under Electron Beam Irradiation
by Shiwei Ren, Shina Sun, Mingkun Xu, Song Li, Yubing Ding and Mingchao Shao
Processes 2023, 11(10), 2859; https://0-doi-org.brum.beds.ac.uk/10.3390/pr11102859 - 28 Sep 2023
Cited by 1 | Viewed by 929
Abstract
Over the past two decades, covalent organic frameworks (COFs) have become the most widely studied porous crystalline materials. Their specific physical and chemical properties are determined by the arrangement of atoms (crystal structure). Therefore, the determination of their structure is arguably the most [...] Read more.
Over the past two decades, covalent organic frameworks (COFs) have become the most widely studied porous crystalline materials. Their specific physical and chemical properties are determined by the arrangement of atoms (crystal structure). Therefore, the determination of their structure is arguably the most important characterization step for COFs. Although single-crystal X-ray diffraction is the most widely used method for structure determination, confirmation of the structure of COFs is limited to lattice fringes in transmission electron microscopy (TEM) because of their small crystal size (nanocrystals) or poor crystal quality. At present, many two-dimensional COFs (2D-COFs) have clear powder X-ray diffraction (PXRD) patterns, but specific lattice fringes are not available for all 2D-COFs. This severely hinders the development of the COF field. Here, we discovered the lattice shrinkage behavior of COFs under electron beam irradiation by comparing the lattice fringes of 2D-COFs under different conditions. By comparing the lattice fringes of a 1,3,5-tris-(4-aminophenyl)triazine-1,3,5-tris-(4-formylphenyl)triazine covalent organic framework (TAPT-TFPT COF) at room temperature and under liquid nitrogen freezing conditions, we found that the lattice fringes are in good agreement with the PXRD and the theoretical values of the COF (2.213 nm) under freezing conditions. However, the lattice fringe spacing is only 1.656 nm at room temperature. The discovery not only provides new insights into the TEM characterization of COFs, but also further expands the range of crystalline COF materials. Full article
(This article belongs to the Special Issue Porous Materials and Their Applications in Catalysis, Environment and Energy)
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13 pages, 2168 KiB  
Article
Construction of Water Vapor Stable Ultramicroporous Copper-Based Metal–Organic Framework for Efficient CO2 Capture
by Fengfan Yang, Xiaolu Wang, Jiayue Tian, Xusheng Wang and Linfeng Liang
Processes 2023, 11(5), 1387; https://0-doi-org.brum.beds.ac.uk/10.3390/pr11051387 - 4 May 2023
Viewed by 1248
Abstract
It is quite essential to obtain an excellent CO2 adsorption capacity, CO2 adsorption selectivity and water vapor stability at the same time for practical CO2 capture after combustion. Through the combination of ultramicropore and the high density of CO2 [...] Read more.
It is quite essential to obtain an excellent CO2 adsorption capacity, CO2 adsorption selectivity and water vapor stability at the same time for practical CO2 capture after combustion. Through the combination of ultramicropore and the high density of CO2-philic sites without OMSs, an ultra-microporous Cu-based metal–organic framework has been designed and synthesized, featuring a high CO2 capacity (99 cm3 g−1 and 56.6 cm3 g−1 at 273 K and 298 K, respectively), high selectivity over N2 (118 at a scale of CO2/N2 15/85, 298 K) and excellent water vapor stability, simultaneously. Theoretical calculations indicate that neighboring ketonic O atoms with suitable distance play vital roles in boosting CO2 selective capture. Full article
(This article belongs to the Special Issue Porous Materials and Their Applications in Catalysis, Environment and Energy)
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13 pages, 4492 KiB  
Article
Enhancing Visible-Light Photodegradation of TC-HCl by Doping Phosphorus into Self-Sensitized Carbon Nitride Microspheres
by Xiangyu Chen, Xiuru Yang, Jianhao Wu, Zhi Chen, Lan Li, Jingyang Gao, Jinchao Chen, Jinglei Hu, Chunyan Li and Wen Wang
Processes 2023, 11(2), 298; https://0-doi-org.brum.beds.ac.uk/10.3390/pr11020298 - 17 Jan 2023
Viewed by 1482
Abstract
SSCN is a new type of self-sensitive photocatalyst. It consists of oxygenated carbon nitride-containing microspheres inside and polymerized triazine dye (TBO) formed on its surface by in situ polymerization. The presence of TBO endows SSCN with a wide range of optical responses. However, [...] Read more.
SSCN is a new type of self-sensitive photocatalyst. It consists of oxygenated carbon nitride-containing microspheres inside and polymerized triazine dye (TBO) formed on its surface by in situ polymerization. The presence of TBO endows SSCN with a wide range of optical responses. However, the TBO would self-degrade under light, making SSCN extremely unstable in photocatalytic reactions and limiting the practical application of SSCN. The introduction of phosphorus into the structure of SSCN significantly improved the electron–hole separation efficiency and reduced the self-degradation of surface TBO. Phosphorus-doped self-sensitive carbon nitride microspheres (P-SSCN) are easily synthesized by a one-pot solvothermal method—the phosphorus source was added to the precursor solution of SSCN. This resulting material was used for the photodegradation of tetracycline hydrochloride (TC-HCl) for the first time, giving improved visible light sensitivity and high stability in the photocatalytic process. This provides a new method for modifying self-sensitive carbon nitride carbon. Full article
(This article belongs to the Special Issue Porous Materials and Their Applications in Catalysis, Environment and Energy)
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