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New Polymeric Nanomaterials: Optimization and Application in the Field of Environmental Sensors

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

Deadline for manuscript submissions: 31 January 2026 | Viewed by 606

Special Issue Editors


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1. Sciences and Advanced Technologies Department, Faculty of Sciences and Arts, Valahia University of Târgoviște, Aleea Sinaia, nr 13, 130004 Târgoviște, Romania
2. Institute of Multidisciplinary Research for Science Technology, Valahia University of Târgoviște, Aleea Sinaia, nr 13, 130004 Târgoviște, Romania
Interests: chemistry; analytical chemistry; nanomaterials; bio-based materials
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Guest Editor
National Institute for Research and Development in Microtechnologies, IMT-Bucharest, 126 A Str. Erou Iancu Nicolae, 077190 Voluntari, Romania
Interests: nano-composite material characterization: Raman spectroscopy and atomic force microscopy; additive manufacturing; spray coating techniques
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
National Institute for Research and Development in Microtechnologies, IMT-Bucharest, 126 A Str. Erou Iancu Nicolae, 077190 Voluntari, Romania
Interests: smart sensors; thin solid films; micro/nanotechnology; micro/nanoelectronics; experimental design
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
National Institute for Research and Development in Microtechnologies, IMT-Bucharest, 126 A Str. Erou Iancu Nicolae, 077190 Voluntari, Romania
Interests: supramolecular chemistry; micro/nanotechnology, micro/nanoelectronics; green chemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Environmental monitoring increasingly depends on advanced nanomaterials for real-time pollutant detection in soil, water, and air. This Special Issue highlights the development, optimization, and application of novel nanomaterials in environmental sensing, focusing on the integration of IoT and AI technologies. Combining machine learning with sensor networks enables big data analysis, pattern recognition, and predictive modeling of environmental parameters and climate trends.

Incorporating nanomaterials into polymer matrices is crucial for developing innovative, high-performance sensing devices. Polymers, as versatile and cost-effective substrates, provide an excellent platform for creating sensors capable of detecting various chemicals with superior selectivity and sensitivity. By embedding nanoscale fillers into polymer matrices, researchers can fine-tune material properties, such as mechanical, thermal, electrical, and barrier characteristics, unlocking significant potential for advanced sensing applications.

This approach is particularly vital for environmental monitoring, where the real-time detection of pollutants increasingly relies on these advanced materials. Combining polymer-based nanocomposites with cutting-edge technologies such as IoT and AI enables creating smart sensors capable of analyzing big data, identifying patterns, and modeling environmental parameters with high precision. Such advancements enhance sensor sensitivity, selectivity, and response times, paving the way for transformative progress in environmental sensing.

Additionally, integrating nanomaterials into polymer matrices aligns with sustainable development goals by supporting bioeconomy principles, reducing waste, and promoting zero-emission technologies. These next-generation sensors play a critical role in monitoring CO2 and greenhouse gas emissions, advancing climate change mitigation strategies, and fostering sustainability. Highlighting the synergy between nanomaterials and polymers underscores their transformative potential in developing cost-effective, high-performance sensors that address pressing environmental challenges.

You may choose our Joint Special Issue in Sensors.

Dr. Marius Bumbac
Dr. Cristina Pachiu
Dr. Octavian Buiu
Dr. Bogdan Şerban
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. 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

  • advanced nanomaterials
  • sensor networks
  • polymer-based nanocomposites
  • smart sensing technologies
  • environmental monitoring
  • Internet of Things (IoT)

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Published Papers (2 papers)

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Research

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12 pages, 1563 KiB  
Article
Tough Hydrogel Reinforced by Meta-Aramid Nanofibers for Flexible Sensors
by Zhiwen Hou, Yongzheng Li, Donghao Zhang, Cun Peng, Yan Wang and Kunyan Sui
Polymers 2025, 17(16), 2179; https://doi.org/10.3390/polym17162179 - 9 Aug 2025
Viewed by 306
Abstract
Hydrogels exhibit significant promise for advanced flexible sensing applications owing to their intrinsic softness, biocompatibility, and customizable functionalities. Nevertheless, their limited mechanical strength poses a critical barrier to practical implementation. In this study, we engineered a mechanically robust alginate/chitosan (SA/CS) hydrogel reinforced with [...] Read more.
Hydrogels exhibit significant promise for advanced flexible sensing applications owing to their intrinsic softness, biocompatibility, and customizable functionalities. Nevertheless, their limited mechanical strength poses a critical barrier to practical implementation. In this study, we engineered a mechanically robust alginate/chitosan (SA/CS) hydrogel reinforced with meta-aramid (PMIA) nanofibers. The resulting composite hydrogel achieves a tensile strength of 16.8 MPa, substantially exceeding the performance of conventional biomass-derived hydrogels. When employed as a flexible sensor, the hydrogel demonstrates exceptional pressure-sensing capabilities, featuring high sensitivity (178.41 MΩ/MPa below 5 kPa), rapid response kinetics (0.4–0.8 s), and sustained stability (>200 cycles). Leveraging these properties, we successfully monitored vocal cord vibrations and finger motion trajectories, highlighting their potential for biomechanical sensing applications. Full article
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Review

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32 pages, 5766 KiB  
Review
Carbon Nanohorns and Their Nanohybrid/Nanocomposites as Sensing Layers for Humidity Sensors—A Review
by Bogdan-Catalin Serban, Octavian Buiu, Marius Bumbac, Niculae Dumbrăvescu, Mihai Brezeanu, Ursăchescu Matei-Gabriel, Vlad Diaconescu, Maria Ruxandra Sălăgean and Cornel Cobianu
Polymers 2025, 17(16), 2198; https://doi.org/10.3390/polym17162198 - 12 Aug 2025
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Abstract
Carbon nanohorns (CNHs), along with their nanocomposites and nanohybrids, have shown significant potential for humidity (RH) monitoring at room temperature (RT) due to their exceptional physicochemical and electronic properties, such as high surface area, tunable porosity, and stability in nanocomposites. Resistive sensors incorporating [...] Read more.
Carbon nanohorns (CNHs), along with their nanocomposites and nanohybrids, have shown significant potential for humidity (RH) monitoring at room temperature (RT) due to their exceptional physicochemical and electronic properties, such as high surface area, tunable porosity, and stability in nanocomposites. Resistive sensors incorporating CNHs have demonstrated superior sensitivity compared to traditional carbon nanomaterials, such as carbon nanotubes and graphene derivatives, particularly in specific RH ranges. This review highlights recent advancements in CNH-based resistive RH sensors, discussing effective synthesis methods (e.g., arc discharge and laser ablation) and functionalization strategies, such as the incorporation of hydrophilic polymers or inorganic fillers like graphene oxide (GO) and metal oxides, which enhance sensitivity and stability. The inclusion of fillers, guided by Pearson’s Hard–Soft Acid–Base (HSAB) theory, enables tuning of CNH-based sensing layers for optimal interaction with water molecules. CNH-based nanocomposites exhibit competitive response and recovery times, making them strong candidates for commercial sensor applications. However, challenges remain, such as optimizing materials for operation across the full 0–100% RH range. This review concludes with proposed research directions to further enhance the adoption and utility of CNHs in sensing applications. Full article
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