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Polymers
Special Issues
Polymers in Sensor Applications
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Polymers in Sensor Applications

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

Deadline for manuscript submissions: 25 September 2024 | Viewed by 4651

Special Issue Editors

Dr. Qi-Jun Sun

E-Mail Website
Guest Editor
School of Physics and Optoelectric Engineering, Guangdong University of Technology, Guangzhou 511400, China
Interests: wearable electronics; transistors; tactile sensors
Prof. Dr. Wen-Jung Li

E-Mail Website
Guest Editor
Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong
Interests: micro/nano/bio sensors; MEMS/nano-based biotechnology; electrokinetics-based cancer/stem; cell separation and identification
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Vellaisamy Roy

E-Mail Website
Guest Editor
James Watt School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK
Interests: intelligent devices and systems for sensing application; wearable thermoelectric and piezoresistive devices; neuromorphic devices

Special Issue Information

Dear Colleagues,

Polymer and polymer-based functional composites have become extremely popular in recent years, thanks, in part, to their unique and fascinating material properties, such as PVDF, PVA, P3HT and PEDOT:PSS. Investigation of the chemical, mechanical, and structure-dependent properties of these materials has led to an explosion in research seeking to exploit these species in the fields of sensor applications. The polymer-based flexible sensors can acquire signals regarding the pressure, temperature and chemical environment, as well as human body physiological and biological parameters. These are of critical importance for health monitoring and robotics; hence, these sensors are in urgent demand. However, there are still substantial challenges in the design and fabrication of polymer materials with biocompatibility, robustness and excellent mechanical flexibility, as well as in achieving sensor devices with high performance, low power consumption and good system integration capability.

This Special Issue calls for papers in the scope of polymer and polymer-composite-based flexible pressure sensors for health monitoring, temperature sensors, flexible photodetectors, flexible ion sensors for environment monitoring, gas sensors, etc.

Dr. Qi-Jun Sun
Prof. Dr. Wen-Jung Li
Prof. Dr. Vellaisamy Roy
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

  • functional polymers
  • tactile sensors
  • temperature sensor
  • photodetectors
  • chemical sensors

Published Papers (2 papers)

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Research

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13 pages, 3126 KiB  
Article
Dynamically Adjusting Borophene-Based Plasmon-Induced Transparency in a Polymer-Separated Hybrid System for Broadband-Tunable Sensing
by Kunpeng Xiao, Junming Li, Hui Zhang, Huan Jiang and Weiren Zhao
Polymers 2023, 15(14), 3060; https://doi.org/10.3390/polym15143060 - 16 Jul 2023
Cited by 2 | Viewed by 996
Abstract
Borophene, an emerging two-dimensional (2D) material platform, is capable of supporting highly confined plasmonic modes in the visible and near-infrared wavebands. This provides a novel building block for light manipulation at the deep subwavelength scale, thus making it well-suited for designing ultracompact optical [...] Read more.
Borophene, an emerging two-dimensional (2D) material platform, is capable of supporting highly confined plasmonic modes in the visible and near-infrared wavebands. This provides a novel building block for light manipulation at the deep subwavelength scale, thus making it well-suited for designing ultracompact optical devices. Here, we theoretically explore a borophene-based plasmonic hybrid system comprising a continuous borophene monolayer (CBM) and sodium nanostrip gratings (SNGs), separated by a polymer spacer layer. In such a structure, a dynamically tunable plasmon-induced transparency (PIT) effect can be achieved by strongly coupling dark and bright plasmonic modes, while actively controlling borophene. Here, the bright mode is generated through the localized plasmon resonance of SNGs when directly excited by TM-polarized incident light. Meanwhile, the dark mode corresponds to a propagating borophene surface plasmon (BSP) mode in the CBM waveguide, which cannot be directly excited, but requires phase matching with the assistance of SNGs. The thickness of the polymer layer has a significant impact on the coupling strength of the two modes. Owing to the BSP mode, highly sensitive to variations in the ambient refractive index (RI), this borophene-based hybrid system exhibits a good RI-sensing performance (643.8 nm/RIU) associated with a wide range of dynamically adjustable wavebands (1420–2150 nm) by tuning the electron density of borophene. This work offers a novel concept for designing active plasmonic sensors dependent on electrically gating borophene, which has promising applications in next-generation point-of-care (PoC) biomedical diagnostic techniques. Full article
(This article belongs to the Special Issue Polymers in Sensor Applications)
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Review

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33 pages, 9427 KiB  
Review
Recent Advances in Polymer Composites for Flexible Pressure Sensors
by Wen-Tao Guo, Xin-Gui Tang, Zhenhua Tang and Qi-Jun Sun
Polymers 2023, 15(9), 2176; https://doi.org/10.3390/polym15092176 - 03 May 2023
Cited by 9 | Viewed by 3258
Abstract
Pressure sensors show significant potential applications in health monitoring, bio-sensing, electronic skin, and tactile perception. Consequently, tremendous research interest has been devoted to the development of high-performance pressure sensors. In this paper, recent progress on the polymer composite-based flexible pressure sensor is reviewed. [...] Read more.
Pressure sensors show significant potential applications in health monitoring, bio-sensing, electronic skin, and tactile perception. Consequently, tremendous research interest has been devoted to the development of high-performance pressure sensors. In this paper, recent progress on the polymer composite-based flexible pressure sensor is reviewed. The parameters of pressure sensors, including sensitivity, linear response range, detection limit, response speed, and reliability, are first introduced. Secondly, representative types of pressure sensors and relevant working principles are introduced and discussed. After that, the applications in human physiology monitoring, health monitoring, artificial skin, and self-powered smart system are listed and discussed in detail. Finally, the remaining challenges and outlook of polymer composite-based flexible sensors are summarized at the end of this review paper. This work should have some impact on the development of high-performance flexible pressure sensors. Full article
(This article belongs to the Special Issue Polymers in Sensor Applications)
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