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Porous Organic Polymers (POPs)—Synthesis, Design, Structural Characterization and Application, 2nd Edition

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Chemistry".

Deadline for manuscript submissions: closed (10 March 2026) | Viewed by 690

Special Issue Editors


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Guest Editor
Department of Chemistry, University of Osijek, Cara Hadrijana 8A, 31000 Osijek, Croatia
Interests: coordination chemistry; porous materials; crystallography; coordination polymers; host–guest chemistry
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia
Interests: chemical crystallography; supramolecular chemistry; flexible anionic receptors; coordination compounds and polymers
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Chemistry, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
Interests: electrochemistry; voltammetry; electrochemical impedance spectroscopy; antioxidants; macrocyclic chemistry; metal complexes; modified electrodes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Porous organic polymers (POPs) represent a group of organic macromolecular materials built from organic precursors connected by strong covalent bonds into a porous framework. There are several subclasses of POP materials—COFs (covalent organic frameworks), PAFs (porous aromatic frameworks), CMPs (conjugated microporous polymers), HCPs (hypercrosslinked polymers), and others. These materials are characterized by excellent physicochemical properties, good thermal stability, large surface areas (up to 4300 m2 g−1), and designable pore size and pore characteristics. Such remarkable properties have attracted substantial interest in the scientific community and highlighted these materials for potential application in adsorption and separation, carbon sequestration, catalysis, energy storage, etc.

Within this Special Issue of Polymers, we aim to collect novel results and potential applications in this emerging field of porous materials. We invite you to report the latest advances in the form of full papers, communications, and review articles. Potential topics for this Special Issue include the synthesis, design, and functionalization of POPs (preparation and design of novel monomeric precursors, mechanochemical synthesis, imine-based polymeric materials, post-synthetic modifications); characterization (spectroscopy, thermal analysis, molecular modeling, and adsorption analysis); and application (gas adsorption, energy storage, sensors, and catalysis).

Dr. Tomislav Balić
Dr. Ivica Đilović
Dr. Martina Medvidović-Kosanović
Guest Editors

Manuscript Submission Information

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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. Polymers 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 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

  • POPs
  • porous materials
  • coordination polymers
  • imine macrocycles
  • covalent organic frameworks
  • gas adsorption
  • energy storage
  • sensors
  • catalysis

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Published Papers (1 paper)

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Review

24 pages, 3023 KB  
Review
Porous Organic Polymers with Azo, Azoxy, and Azodioxy Linkages: Design, Synthesis, and CO2 Adsorption Properties
by Ivan Kodrin and Ivana Biljan
Polymers 2026, 18(6), 735; https://doi.org/10.3390/polym18060735 - 17 Mar 2026
Viewed by 362
Abstract
Rising atmospheric CO2 levels have increased the demand for robust, scalable adsorbents for practical CO2 capture and separation. Porous organic polymers (POPs) are attractive candidates because their pore architecture and binding site properties can be precisely tuned via building blocks and [...] Read more.
Rising atmospheric CO2 levels have increased the demand for robust, scalable adsorbents for practical CO2 capture and separation. Porous organic polymers (POPs) are attractive candidates because their pore architecture and binding site properties can be precisely tuned via building blocks and linkage formation. This review summarizes experimental and computational studies of azo-linked POPs and, more broadly, nitrogen–nitrogen (N–N) linked systems, emphasizing how synthetic routes, building blocks, and framework topology govern CO2 uptake. We highlight key synthetic strategies and representative systems, including porphyrin–azo networks, and discuss the relatively sparse experimental literature on alternative N–N linked POPs incorporating azoxy and azodioxy motifs. Emphasis is placed on reversible nitroso/azodioxide chemistry as a potential pathway to ordered porous organic materials. Computational studies provide a practical route to connect structure with adsorption behavior in largely amorphous or partially ordered networks. We review hierarchical workflows combining periodic DFT and electrostatic potential properties, grand canonical Monte Carlo (GCMC) simulations, and binding energy calculations to rationalize trends and identify favorable binding environments. Computational findings demonstrate that pore accessibility and stacking models can strongly influence predicted CO2 adsorption. This review provides guidelines for designing POPs with enhanced CO2 adsorption, offering an outlook and discussing challenges for future studies. Full article
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