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Applications of Carbon-Based and Hybrid Materials in Sensors

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 3561

Special Issue Editor


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Guest Editor
Department of Physics, Università degli Studi di Napoli Federico II, 80126 Naples, Italy
Interests: carbon-based materials; hybrids composites; oxide materials for electronics; electrical and spectroscopical characterizations; morphological measurements; physics of surfaces and interfaces

Special Issue Information

Dear Colleagues,

It is my pleasure to cordially invite you to submit a research article for the Special Issue of the journal Materials, on Applications of Carbon-based and Hybrid Materials in Sensors. Carbon-based materials and related hybrid compounds offer a great versatility, which has been widely recognized as suitable for sensing purposes in different fields, and exhibit enormous advantages in terms of low-cost production, easy scalability to industrial platforms, large availability of materials. Our objective is to collect recent advances and studies in the field of sensing research among the scientific community of carbon related materials, since we believe that such collection would be of strong interest for a very huge audience of scientists. Contributes concerning sensors design, performance testing, characterizations of materials for sensing purposes, are welcome.

Prof. Roberto Di Capua
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. Materials 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

  • Carbon-based materials
  • hybrids composites
  • oxide materials for electronics
  • electrical and spectroscopical characterizations
  • morphological measurements
  • physics of surfaces and interfaces

Published Papers (2 papers)

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Research

15 pages, 4826 KiB  
Article
Fabrication of Hybrid Electrodes by Laser-Induced Forward Transfer for the Detection of Cu2+ Ions
by Anca Florina Bonciu, Florin Andrei and Alexandra Palla-Papavlu
Materials 2023, 16(4), 1744; https://doi.org/10.3390/ma16041744 - 20 Feb 2023
Cited by 1 | Viewed by 1383
Abstract
Composites based on poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate) (PEDOT:PSS)—graphene oxide (GO) are increasingly considered for sensing applications. In this work we aim at patterning and prototyping microscale geometries of PEDOT:PSS: GO composites for the modification of commercially available electrochemical sensors. Here, we demonstrate the laser-induced [...] Read more.
Composites based on poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate) (PEDOT:PSS)—graphene oxide (GO) are increasingly considered for sensing applications. In this work we aim at patterning and prototyping microscale geometries of PEDOT:PSS: GO composites for the modification of commercially available electrochemical sensors. Here, we demonstrate the laser-induced forward transfer of PEDOT:PSS: GO composites, a remarkably simple procedure that allows for the fast and clean transfer of materials with high resolution for a wide range of laser fluences (450–750 mJ/cm2). We show that it is possible to transfer PEDOT:PSS: GO composites at different ratios (i.e., 25:75 %wt and 50:50 %wt) onto flexible screen-printed electrodes. Furthermore, when testing the functionality of the PEDOT:PSS: GO modified electrodes via LIFT, we could see that both the PEDOT:PSS: GO ratio as well as the addition of an intermediate release layer in the LIFT process plays an important role in the electrochemical response. In particular, the ratio of the oxidation peak current to the reduction peak current is almost twice as high for the sensor with a 50:50 %et PEDOT:PSS: GO pixel. This direct transfer methodology provides a path forward for the prototyping and production of polymer: graphene oxide composite based devices. Full article
(This article belongs to the Special Issue Applications of Carbon-Based and Hybrid Materials in Sensors)
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19 pages, 5223 KiB  
Article
Smart Graphene Nanoplatelet Strain Sensor for Natural Frequency Sensing of Stainless Steel (SS304) and Human Health Monitoring
by Debadatta Sethy and Krishnan Balasubramaniam
Materials 2022, 15(11), 3924; https://doi.org/10.3390/ma15113924 - 31 May 2022
Cited by 2 | Viewed by 1615
Abstract
The main purpose of this article is to monitor the natural frequency of stainless steel (SS304) with and without defect by spray-coated smart graphene nanoplatelet (GNPs)-doped poly (methyl methacrylate) (PMMA) nanocomposite strain sensor and human health by smart Lycra denim textile sensor. Methods [...] Read more.
The main purpose of this article is to monitor the natural frequency of stainless steel (SS304) with and without defect by spray-coated smart graphene nanoplatelet (GNPs)-doped poly (methyl methacrylate) (PMMA) nanocomposite strain sensor and human health by smart Lycra denim textile sensor. Methods such as impact hammer test and NI-daq, finite element method (FEM) simulation by Abaqus 6.12, and fast Fourier transform (FFT) study were applied for frequency monitoring of SS304. For human health monitoring, edema disease inspection, cough, and biceps locomotion were studied by graphene sol–gel textile sensor. We report eight sensors fabricated by scotch tape exfoliation method and their sensitivity was checked in terms of gauge factor (GF). The highest and lowest GF-based sensors were checked for sensitivity in the defect (hole) specimen. These sensors were used to sense the natural frequency of SS304 at three different positions in the cantilever beam. The same quantity of GNPs was used for making Lycra denim textile sensors for human health monitoring. The Lycra denim textile sensor showed a 216% change in resistance in the left calf muscle, which is less than right leg flexibility, indicating good sensitivity. In addition, the textile sensor helped in sensing coughing and biceps monitoring. The ease in fabrication and high sensitivity demonstrate the potential ability of GNPs for futuristic smart material for structural and human health monitoring. Full article
(This article belongs to the Special Issue Applications of Carbon-Based and Hybrid Materials in Sensors)
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