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Polymers
Special Issues
Applications of Polymers in Sensors
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Applications of Polymers in Sensors

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

Deadline for manuscript submissions: closed (15 March 2024) | Viewed by 2367

Special Issue Editors

Dr. Wei-Chen Tu

E-Mail Website
Guest Editor
Department of Electrical Engineering, National Cheng Kung University, Tainan 70101, Taiwan
Interests: low-dimensional materials and devices; nanostructure design; organic nanocomposites
Dr. Guo-En Chang

E-Mail Website
Guest Editor
Department of Mechanical Engineering, National Chung Cheng University, Chiayi 62102, Taiwan
Interests: optical biosensors; silicon photonics; MEMS actuators and sensors; precision optical metrology

Special Issue Information

Dear Colleagues,

Polymers and polymer composites are emerging as advanced materials for sensors owing to their chemical, electrical, optical, and physical properties. The controllable responses possible with various engineering methods make polymers and polymer composites outstanding platforms that are sensitive to changes or stimuli of the surrounding environment, which are highly expected in sensor applications. The primary aim of this Special Issue is to address the recent progress on sensors based on polymers or polymer composites, including photosensors, biosensors, gas sensors, strain sensors, heat sensors, and so on. Experimental results or theoretical analyses related to novel sensing mechanisms or concepts, the improvement of sensor performance, and fabrication or characterization of sensors are welcomed. We look forward to receiving your research findings as full papers, reviews, and perspective articles.

Dr. Wei-Chen Tu
Dr. Guo-En Chang
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

  • polymers
  • sensors
  • detectors
  • composites
  • hybrids
  • photosensors
  • biosensors
  • gas sensors
  • strain sensors
  • heat sensors

Published Papers (1 paper)

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Research

14 pages, 5257 KiB  
Article
Analysis of the Resistance Change of Chemosensitive Layers to the Presence of Ammonia Vapors under Variable Conditions of Air Temperature and Humidity
by Hanna Zajączkowska, Agnieszka Brochocka, Aleksandra Nowak and Mateusz Wojtkiewicz
Polymers 2023, 15(2), 420; https://doi.org/10.3390/polym15020420 - 13 Jan 2023
Cited by 1 | Viewed by 1840
Abstract
The developed chemosensitive layers consisted of multi-walled carbon nanotubes (MWCNTs), reduced graphene oxide (rGO), and a conductive polymer (polyaniline—PANI) in a polymeric matrix (a polystyrene solution in methylene chloride). The layers were challenged with a test gas to determine the optimum variant in [...] Read more.
The developed chemosensitive layers consisted of multi-walled carbon nanotubes (MWCNTs), reduced graphene oxide (rGO), and a conductive polymer (polyaniline—PANI) in a polymeric matrix (a polystyrene solution in methylene chloride). The layers were challenged with a test gas to determine the optimum variant in terms of sensitivity to the selected analyte and the repeatability of results. In terms of individual components, the greatest percentage change in resistance (32%) and the best repeatability were found for chemosensitive layers containing a PANI salt in the polymeric matrix. Even greater changes in resistance were exhibited by sensors containing more than one active component in the matrix: 45% for PANI + MWCNTs and 75% for PANI + rGO. The presented method of thin-layer deposition was shown to be suitable for the production of sensitive and functional sensors of ammonia vapors. The developed sensors were characterized by high repeatability and sensitivity to a harmful substance that constitutes an inhalation hazard to workers. The sensors were also analyzed for their durability and recovery as well as the ability to function under varying temperature and humidity conditions. Full article
(This article belongs to the Special Issue Applications of Polymers in Sensors)
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