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Thin Film Sensors and Transducers
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Thin Film Sensors and Transducers

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Biosensors".

Deadline for manuscript submissions: closed (10 October 2023) | Viewed by 2319

Special Issue Editor

Dr. Juan Casanova-Cháfer

E-Mail Website
Guest Editor
Chimie des Interactions Plasma Surface, CIRMAP, Université de Mons, Place du Parc 23, 7000 Mons, Belgium
Interests: gas sensors; resistors; thin films; nanostructures; graphene; perovskites; carbon nanotubes

Special Issue Information

Dear Colleagues,

This Special Issue is open to the submission of papers concerned with solid-state devices encompassing thin films and nanostructured materials for sensing purposes, ranging from biosensors to chemical sensors. There is a growing demand for miniaturized, inexpensive, and accurate sensors for a wide variety of sectors, such as automobiles, hospitals, and industries. Consequently, many research efforts have been focused on developing advanced materials with outstanding sensing properties.

Active thin films usually present thicknesses ranging from a few atomic layers to several microns, and a wide variety of techniques have been reported for manufacturing nano-engineered films at the frontiers of the current knowledge. To highlight the recent advances in the development of materials employed in sensing applications, MPDI’s Sensors is publishing a Special Issue on “Thin Film Sensors”. We are seeking contributions in the form of original research and review articles, covering topics including but not limited to the following:

  • Advanced synthesis and characterization of thin films or nanostructured materials.
  • Surface engineering of active layers to enhance sensing properties.
  • Development of multilayer structures and their characterization.
  • Gas sensors for detecting or monitoring atmospheric pollutants.
  • Development and characterization of novel materials for biosensing.
  • Development of multi-sensor arrays.

Dr. Juan Casanova-Cháfer
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 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. Sensors 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

  • thin film
  • structured materials
  • chemical sensors
  • biosensors

Published Papers (2 papers)

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Research

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14 pages, 3827 KiB  
Article
A Nanocomposite Paste Electrode Sensor for Simultaneous Detection of Uric Acid and Bisphenol A Using Zinc Hydroxide Nitrate-Sodium Dodecylsulfate Bispyribac
by Yulkifli Yulkifli, Widya Putri Yandes, Illyas Md Isa, Norhayati Hashim, Alizar Ulianas, Sharifah Norain Mohd Sharif, Mohamad Idris Saidin, Mohamad Syahrizal Ahmad, Siti Nur Akmar Mohd Yazid, Suyanta Suyanta, Ratno Nuryadi and Nurashikin Abd Azis
Sensors 2023, 23(20), 8366; https://doi.org/10.3390/s23208366 - 10 Oct 2023
Cited by 2 | Viewed by 1117
Abstract
The fabrication of a zinc hydroxide nitrate-sodium dodecylsulfate bispyribac modified with multi-walled carbon nanotube (ZHN-SDS-BP/MWCNT) paste electrode for uric acid and bisphenol A detection was presented in this study. Electrochemical impedance spectroscopy, chronocoulometry, square-wave voltammetry, and cyclic voltammetry were all used to examine [...] Read more.
The fabrication of a zinc hydroxide nitrate-sodium dodecylsulfate bispyribac modified with multi-walled carbon nanotube (ZHN-SDS-BP/MWCNT) paste electrode for uric acid and bisphenol A detection was presented in this study. Electrochemical impedance spectroscopy, chronocoulometry, square-wave voltammetry, and cyclic voltammetry were all used to examine the electrocatalytic activities of modified paste electrodes. The modified electrode’s sensitivity and selectivity have been considered in terms of the composition of the modifier in percentages, the types of supporting electrolytes used, the pH of the electrolyte, and square-wave voltammetry parameters like frequency, pulse size, and step increment. Square-wave voltammetry is performed by applying a small amplitude square-wave voltage to a scanning potential from −0.3 V to +1.0 V, demonstrating a quick response time and high sensitivity. The ZHN-SDS-BP/MWCNT sensor demonstrated a linear range for uric acid and bisphenol A from 5.0 µM to 0.7 mM, with a limit of detection of 0.4 µM and 0.8 µM, respectively, with good reproducibility, repeatability, and stability as well. The modified paste electrode was successfully used in the determination of uric acid and bisphenol A in samples of human urine and lake water. Full article
(This article belongs to the Special Issue Thin Film Sensors and Transducers)
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Other

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12 pages, 1434 KiB  
Perspective
Advantages of Slow Sensing for Ambient Monitoring: A Practical Perspective
by Juan Casanova-Chafer
Sensors 2023, 23(21), 8784; https://doi.org/10.3390/s23218784 - 28 Oct 2023
Cited by 1 | Viewed by 725
Abstract
Air pollution is a ubiquitous threat, affecting 99% of the global populace and causing millions of premature deaths annually. Monitoring ambient air quality is essential, aiding policymakers and environmental agencies in timely interventions. This study delves into the advantages of slower gas sensors [...] Read more.
Air pollution is a ubiquitous threat, affecting 99% of the global populace and causing millions of premature deaths annually. Monitoring ambient air quality is essential, aiding policymakers and environmental agencies in timely interventions. This study delves into the advantages of slower gas sensors over their ultrafast counterparts, with a keen focus on their practicality in real-world scenarios. Slow sensors offer accurate time-averaged exposure assessments, harmonizing with established regulatory benchmarks. Their heightened precision and reliability, complemented by their cost-effectiveness, render them eminently suitable for large-scale deployment. The slow sensing ensures compatibility with regulations, fostering robust risk management practices. In contrast, ultrafast sensors, while claiming rapid detection, despite touting swift detection capabilities, grapple with formidable challenges. The sensitivity of ultrafast sensors to uncontrolled atmospheric effects, fluctuations in pressure, rapid response times, and uniform gas dispersion poses significant hurdles to their reliability. Addressing these issues assumes paramount significance in upholding the integrity of air quality assessments. Full article
(This article belongs to the Special Issue Thin Film Sensors and Transducers)
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