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Organic-Inorganic Composite Materials: From Synthesis and Properties to Applications and Recycling Processes

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

Deadline for manuscript submissions: 20 March 2026 | Viewed by 553

Special Issue Editors


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Guest Editor
Laboratory of Optical Processes in Nanostructured Materials, National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania
Interests: functionalized carbonaceous nanoparticles; 2D-materials; composite materials; organic-inorganic hybrid materials; optical properties; SERS supports; energy storage; sensorial platforms; membranes; recycling processes
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
Interests: functionalized mesoporous materials; drug delivery systems; hybrid materials for biomedical applications; inorganic nanoparticles
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, increasing attention has been paid the synthesis of composite materials based on organic/macromolecular compounds and inorganic compounds such as various carbonaceous particles (e.g., carbon nanotubes, carbon nano-horns, graphene oxide, reduced graphene oxide, carbon nano-walls, etc.), 2D materials (transitional metal dichalcogenides, phosphorene, etc.), oxides for application in the field of energy storage (supercapacitors, batteries), optical and electrochemical sensors, drug delivery systems, personal medical devices, and membranes for the removal of pollutants. Topics related to the new recycling technology for materials used in end-of-life devices in energy storage, membranes for wastewater treatment, and sensors field are also envisaged.

We are pleased to invite you to submit original research articles and reviews to this Special Issue, the scope of which includes, but is not limited to, the following topics:

  • The functionalization of inorganic compounds with organic/macromolecular compounds;
  • The optical, structural, electrical and electrochemical properties of composite materials;
  • Composite materials for application in electrochemical supercapacitors and rechargeable batteries;
  • Membranes based on macromolecular compounds modified with inorganic nanoparticles for wastewater treatment;
  • 2D materials with applications in surface-enhanced Raman scattering (SERS) spectroscopy for monitoring wastewater pollutants;
  • Inorganic–organic hybrid materials for applications in the field of electrochemical and optical sensors;
  • Composite materials for drug delivery systems and biomedical applications.

We look forward to receiving your contributions.

Dr. Mihaela Baibarac
Prof. Dr. Daniela Berger
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 250 words) can be sent to the Editorial Office for assessment.

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

  • organic–inorganic composites
  • synthesis
  • properties
  • energy storage
  • sensors
  • drug delivery
  • wastewater treatment

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Published Papers (1 paper)

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Research

15 pages, 3755 KB  
Article
Effect of Process Parameters on Plasma-Enhanced Solvolysis of CFRPs
by Dimitrios Marinis, Ilektra Tourkantoni, Ergina Farsari, Eleftherios Amanatides and Konstantinos Tserpes
Materials 2025, 18(22), 5081; https://doi.org/10.3390/ma18225081 - 8 Nov 2025
Cited by 1 | Viewed by 328
Abstract
The current study investigates plasma-assisted chemical recycling as an innovative approach to recover valuable carbon fibers from composite waste while minimizing environmental impact. Nitrogen and argon plasma-in-bubbles are employed in a concentrated nitric acid solution, thus enhancing conventional nitric acid solvolysis with plasma [...] Read more.
The current study investigates plasma-assisted chemical recycling as an innovative approach to recover valuable carbon fibers from composite waste while minimizing environmental impact. Nitrogen and argon plasma-in-bubbles are employed in a concentrated nitric acid solution, thus enhancing conventional nitric acid solvolysis with plasma chemistry. A systematic process framework is presented, revealing key operational stages, including composite pretreatment, composite solvolysis, carbon fiber recovery/characterization, NOx recovery, nitric acid circulation, and byproduct management, demonstrating their role in the overall process efficiency and environmental impact. Moreover, the research examined different processing conditions, including plasma power, acid concentration, and reactor design, while comparing open-air systems to systems equipped with single-stage or two-stage wet scrubbers for NOx recovery. Remarkably, recycled fibers from plasma-assisted solvolysis demonstrated preserved or even slightly enhanced mechanical properties compared to those of the virgin fibers. Recycled carbon fibers originating from the operation at 1200 W and 12 M HNO3 demonstrated the best mechanical properties with 3138.92 MPa tensile strength and 307.02 GPa Young’s modulus. However, the parametric analysis revealed that operating the plasma reactor at 1200 W and 14 M, equipped with a two-stage scrubber, achieved optimal environmental performance. Full article
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