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Recent Advances in Printed and Flexible Electronics in the Field...
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Recent Advances in Printed and Flexible Electronics in the Field of Environmental Sensors Technology and System

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

Deadline for manuscript submissions: closed (20 March 2023) | Viewed by 5982

Special Issue Editors

Dr. Almudena Rivadeneyra

E-Mail Website
Guest Editor
Pervasive Electronics Advanced Research Laboratory (PEARL), Department of Electronics and Computer Technology, University of Granada, Granada, Spain
Interests: sensors; electrical characterization; nanoelectronics; printed electronics; energy harvesting; energy conversion; flexible electronics; wearable electronics; biomedical sensor applications; RFID technology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Encarnación Castillo

E-Mail Website1 Website2
Guest Editor
Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain
Interests: power electronics; energy harvesting; nanostructured materials; wearable sensors and systems; biomedical instruments; smart instrumentation; flexible electronics; reconfigurable technologies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to announce the Special Issue of Materials entitled “Recent Advances in Printed and Flexible Electronics in the field of Environmental Sensor Technology and Systems”. This Special Issue is suited for both academic and industrial contributions centered in flexible and printed electronics applied to environmental technology.

In this Special Issue of Materials, we invite authors to submit original communications, articles, and reviews on materials, sensing devices, and systems where printed and flexible electronics are involved.

Potential topics include but are not limited to:

  • Synthesis and characterization of 0D to 3D printable materials for sensing and actuating applications;
  • Integration of nanomaterials in sensors: novel structures, stacking of layers, flexible layers, etc.;
  • Functionalization of nanomaterials for measuring target magnitudes;
  • Chemi-resistive and chemi-capacitive environmental sensors;
  • Fabrication technologies for printed sensors;
  • Fabrication technologies for flexible electronic devices;
  • Characterization of novel materials for environmental monitoring;
  • Demonstrations of potential applications and prototypes of instruments based on printed and flexible electronics environmental sensors;
  • Theoretical studies and modelling of environmental sensor technology and systems.

It is our pleasure to invite you to submit a manuscript to this Special Issue, which provides an excellent opportunity to publish your latest advances in this research field. We look forward to your contributions and fruitful discussions.

Dr. Almudena Rivadeneyra
Prof. Dr. Encarnación Castillo
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. 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

  • sensor characterization
  • nanoparticles
  • nanowires
  • graphene
  • inkjet printing
  • spray deposition
  • screen printing
  • laser scribing
  • chemical sensors
  • physical sensors

Published Papers (2 papers)

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Research

14 pages, 1327 KiB  
Article
Green Composite Sensor for Monitoring Hydroxychloroquine in Different Water Matrix
by Danyelle M. de Araújo, Suelya da Silva M. Paiva, João Miller M. Henrique, Carlos A. Martínez-Huitle and Elisama V. Dos Santos
Materials 2021, 14(17), 4990; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14174990 - 31 Aug 2021
Cited by 18 | Viewed by 2714
Abstract
Hydroxychloroquine (HCQ), a derivative of 4-aminoquinolone, is prescribed as an antimalarial prevention drug and to treat diseases such as rheumatoid arthritis, and systemic lupus erythematosus. Recently, Coronavirus (COVID-19) treatment was authorized by national and international medical organizations by chloroquine and hydroxychloroquine in certain [...] Read more.
Hydroxychloroquine (HCQ), a derivative of 4-aminoquinolone, is prescribed as an antimalarial prevention drug and to treat diseases such as rheumatoid arthritis, and systemic lupus erythematosus. Recently, Coronavirus (COVID-19) treatment was authorized by national and international medical organizations by chloroquine and hydroxychloroquine in certain hospitalized patients. However, it is considered as an unproven hypothesis for treating COVID-19 which even itself must be investigated. Consequently, the high risk of natural water contamination due to the large production and utilization of HCQ is a key issue to overcome urgently. In fact, in Brazil, the COVID-19 kit (hydroxychloroquine and/or ivermectin) has been indicated as pre-treatment, and consequently, several people have used these drugs, for longer periods, converting them in emerging water pollutants when these are excreted and released to aquatic environments. For this reason, the development of tools for monitoring HCQ concentration in water and the treatment of polluted effluents is needed to minimize its hazardous effects. Then, in this study, an electrochemical measuring device for its environmental application on HCQ control was developed. A raw cork–graphite electrochemical sensor was prepared and a simple differential pulse voltammetric (DPV) method was used for the quantitative determination of HCQ. Results indicated that the electrochemical device exhibited a clear current response, allowing one to quantify the analyte in the 5–65 µM range. The effectiveness of the electrochemical sensor was tested in different water matrices (in synthetic and real) and lower HCQ concentrations were detected. When comparing electrochemical determinations and spectrophotometric measurements, no significant differences were observed (mean accuracy 3.0%), highlighting the potential use of this sensor in different environmental applications. Full article
(This article belongs to the Special Issue Recent Advances in Printed and Flexible Electronics in the Field of Environmental Sensors Technology and System)
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20 pages, 4269 KiB  
Article
Inkjet Printing of Polypyrrole Electroconductive Layers Based on Direct Inks Freezing and Their Use in Textile Solid-State Supercapacitors
by Zbigniew Stempien, Mohmmad Khalid, Marcin Kozanecki, Paulina Filipczak, Angelika Wrzesińska, Ewa Korzeniewska and Elżbieta Sąsiadek
Materials 2021, 14(13), 3577; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14133577 - 26 Jun 2021
Cited by 14 | Viewed by 2449
Abstract
In this work, we propose a novel method for the preparation of polypyrrole (PPy) layers on textile fabrics using a reactive inkjet printing technique with direct freezing of inks under varying temperature up to −16 °C. It was found that the surface resistance [...] Read more.
In this work, we propose a novel method for the preparation of polypyrrole (PPy) layers on textile fabrics using a reactive inkjet printing technique with direct freezing of inks under varying temperature up to −16 °C. It was found that the surface resistance of PPy layers on polypropylene (PP) fabric, used as a standard support, linearly decreased from 6335 Ω/sq. to 792 Ω/sq. with the decrease of polymerization temperature from 23 °C to 0 °C. The lowest surface resistance (584 Ω/sq.) of PPy layer was obtained at −12 °C. The spectroscopic studies showed that the degree of the PPy oxidation as well as its conformation is practically independent of the polymerization temperature. Thus, observed tendences in electrical conductivity were assigned to change in PPy layer morphology, as it is significantly influenced by the reaction temperature: the lower the polymerization temperature the smoother the surface of PPy layer. The as-coated PPy layers on PP textile substrates were further assembled as the electrodes in symmetric all-solid-state supercapacitor devices to access their electrochemical performance. The electrochemical results demonstrate that the symmetric supercapacitor device made with the PPy prepared at −12 °C, showed the highest specific capacitance of 72.3 F/g at a current density of 0.6 A/g, and delivers an energy density of 6.12 Wh/kg with a corresponding power density of 139 W/kg. Full article
(This article belongs to the Special Issue Recent Advances in Printed and Flexible Electronics in the Field of Environmental Sensors Technology and System)
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