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Recent Advances and Future Perspectives in Natural and Synthetic Porous Materials for Various Applications

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

Deadline for manuscript submissions: 20 December 2025 | Viewed by 557

Special Issue Editors

INCDO-INOE 2000, Research Institute for Analytical Instrumentation, 400293 Cluj-Napoca, Romania
Interests: porous materials; nanomaterials; synthesis; X-ray diffraction; applications
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Guest Editor
Department of Biomaterials and Cosmetic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Torun, Poland
Interests: biopolymers; porous materials; tissue engineering; biomaterials; wound dressings
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The last decade has seen a number of significant breakthroughs in the design and processing of innovative porous materials due to their excellent properties (a high surface area and tunable pore size). According to their pore size, they are classified as microporous (<2nm), mesoporous (2-50 nm), or macroporous (>50 nm) materials. The tunability of order and functionality in porous structures is attractive and allows them to be tailored to demanding applications in the chemical, energy, environmental protection, medicine, and civil engineering industries.

This Special Issue, entitled "Recent Advances and Future Perspectives in Natural and Synthetic Porous Materials for Various Applications", aims to provide an update on recent advances in preparation and characterization approaches, property evaluation, and applications for natural and synthetic porous materials. Submissions to this Special Issue are welcome in the form of original research papers and reviews, and contributions are expected to cover fundamental and applied features, such as the design of high-performance materials, controlled fabrication methods, the correlation between pore structures and material properties, innovative approaches, and novel applications for natural and synthetic porous materials.

Research areas may include (but are not limited to) the following:

  1. Microporous materials (including zeolites and related crystalline molecular sieves, pillared materials, clays, metal–organic frameworks, carbons, and porous polymers);
  2. Mesoporous materials (including glass ceramics, zeolites, xerogels, aerogels, glasses, metal oxides, pure metals, and porous polymers);
  3. Macroporous materials (including ceramics, glass ceramics, porous polymers, aerogels, and cement).

Dr. Oana Cadar
Dr. Beata Kaczmarek-Szczepańska
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. 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

  • porous materials
  • porous ceramics
  • porous metals
  • porous polymers
  • metal–organic materials
  • zeolites
  • applications

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Published Papers (1 paper)

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Research

15 pages, 4398 KiB  
Article
Silver-Exchanged Clinoptilolite-Rich Natural Zeolite for Radon Removal from Air
by Marin Senila, Oana Cadar, Robert-Csaba Begy, Claudiu Tanaselia, Dorina Simedru and Cecilia Roman
Materials 2025, 18(7), 1465; https://doi.org/10.3390/ma18071465 - 26 Mar 2025
Viewed by 354
Abstract
Radon (Rn) is a hazardous radioactive gas that poses significant health risks in enclosed indoor environments. This study investigates the potential of silver-exchanged clinoptilolite-rich natural zeolite (NZ-Ag+) for the removal of Rn from air. Natural zeolite (NZ) was thermally treated and [...] Read more.
Radon (Rn) is a hazardous radioactive gas that poses significant health risks in enclosed indoor environments. This study investigates the potential of silver-exchanged clinoptilolite-rich natural zeolite (NZ-Ag+) for the removal of Rn from air. Natural zeolite (NZ) was thermally treated and further modified to enhance its adsorption characteristics. The thermally treated NZ (200 °C) was first exchanged in Na+ form, since Na+ is more easily exchanged in clinoptilolite with hydrated Ag+ ions than the other exchangeable cations. The modification with Ag+ was carried out at room temperature using ultrasonic processing to obtain (NZ-Ag+). The materials were characterized in terms of chemical composition, cation exchange capacity, mineralogy, total surface area, pore volume, and thermal behavior. Rn adsorption experiments were performed using a closed-circuit system, and the efficiency of NZ-Ag+ was compared with that of NZ. The results indicate that NZ-Ag+ exhibits superior Rn adsorption capacity, achieving up to 50% higher retention efficiency compared to NZ. The improved performance is attributed to enhanced adsorption facilitated by silver ion clusters interacting with radon atoms. These results suggest that silver-exchanged zeolite represents a promising material for radon mitigation in air filtration systems, with potential applications in residential and occupational settings. Full article
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