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Nanoparticles for Environmental Applications

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 31 May 2026 | Viewed by 905

Special Issue Editor


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Guest Editor
“Vinča” Institute of Nuclear Sciences, University of Belgrade, 11000 Belgrade, Serbia
Interests: conductive polymers; TiO2 nanoparticles; conductive nanocomposites; photocatalysis; dye removal; environmental chemistry
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Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute to this Special Issue, ‘Nanoparticles for Environmental Applications’. The rapid development of nanotechnology has opened up new frontiers in addressing environmental challenges. Engineered nanoparticles offer promising capabilities in pollution control, water purification, the remediation of contaminated sites, and potential applications in electromagnetic interference (EMI) shielding systems.

This Special Issue will showcase high-quality original research articles and reviews that highlight recent advances in the synthesis, characterization, and application of nanoparticles in solving environmental issues. An emphasis will be placed on interdisciplinary approaches that link material science, environmental engineering, chemistry, and toxicology.

For this Special Issue, we welcome original research articles and reviews. Research areas may include (but are not limited to) the following:

  • The synthesis of nanoparticles for environmental remediation;
  • Nanoparticles in wastewater and air treatment;
  • Ecotoxicological assessments of nanoparticles;
  • Nanoparticles for EMI shielding applications;
  • Nano-enabled sensors for environmental monitoring;
  • Green synthesis and lifecycle analysis in nanomaterials.

We look forward to receiving your contributions.

Dr. Marija B. Radoičić
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 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. Molecules 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

  • environmental nanotechnology
  • water treatment
  • remediation
  • nanoparticles
  • pollution control
  • EMI shielding
  • ecotoxicology
  • green chemistry

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Published Papers (1 paper)

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Research

18 pages, 10644 KB  
Article
Synergistic Integration of Polypyrrole, Graphene Oxide, and Silver Nanowires into Flexible Polymeric Films for EMI Shielding Applications
by Brankica Gajić, Marija Radoičić, Muhammad Yasir, Warda Saeed, Silvester Bolka, Blaž Nardin, Jelena Potočnik, Danica Bajuk-Bogdanović, Gordana Ćirić-Marjanović, Zoran Šaponjić and Svetlana Jovanović
Molecules 2025, 30(21), 4221; https://doi.org/10.3390/molecules30214221 - 29 Oct 2025
Viewed by 618
Abstract
The remarkable growth of high-frequency electronic systems has raised concerns about electromagnetic interference (EMI), emphasizing the need for lightweight and efficient shielding materials. In this study, ternary composites based on polypyrrole (PPy), graphene oxide (GO), and silver nanowires (AgNWs) were synthesized through chemical [...] Read more.
The remarkable growth of high-frequency electronic systems has raised concerns about electromagnetic interference (EMI), emphasizing the need for lightweight and efficient shielding materials. In this study, ternary composites based on polypyrrole (PPy), graphene oxide (GO), and silver nanowires (AgNWs) were synthesized through chemical oxidative polymerization of pyrrole monomer and embedded into polycaprolactone (PCL) matrices to create flexible films. Structural and morphological analyses confirmed the successful incorporation of all components, with scanning electron microscopy showing granular PPy, sheet-like GO, and fibrous AgNWs, while spectroscopic studies indicated strong interfacial interactions without damaging the PPy backbone. Thermomechanical analysis revealed that GO increased stiffness and defined the glass transition, whereas AgNWs improved toughness and energy dissipation; their combined use resulted in balanced properties. EMI shielding effectiveness (SE) was tested in the X-band (8–12 GHz). Pure PPy exhibited poor shielding ability, while the addition of GO and AgNWs significantly enhanced performance. The highest EMI SE values were observed in PPy/GO–AgNWs composites, with an average SE of 16.05 dB at 20 wt% of the composite in the PCL matrix, equivalent to about 84.4% attenuation of incident waves. These results demonstrate that the synergistic integration of GO and AgNWs into PPy matrices enables the creation of lightweight, flexible films with advanced EMI shielding properties, showing great potential for next-generation electronic and aerospace applications. Full article
(This article belongs to the Special Issue Nanoparticles for Environmental Applications)
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