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Special Issue "The 8th GOSPEL Workshop. Gas Sensors Based on Semiconducting Metal Oxides: Basic Understanding & Application Fields"

A special issue of Sensors (ISSN 1424-8220).

Deadline for manuscript submissions: 31 January 2020.

Special Issue Editor

Prof. Dr. Vincenzo Guidi
E-Mail Website
Guest Editor
Department of Physics and Earth Science (of which I am the director), University of Ferrara, Ferrara, Italy
Interests: gas sensors, metal-oxide chemoresistive materials, nanophased materials, two-dimensional materials

Special Issue Information

Dear Colleagues,

GOSPEL is an international biannual research meeting (http://www.gospel-network.org, https://www.gospel-network.org/old/) dedicated to the R&D activities in the field of semiconducting metal oxide-based gas sensors. The aim is to bring together academia and industry, and help the latter to identify which of the new developments are the most relevant to it.


The 8th GOSPEL Workshop—Gas Sensors Based on Semiconducting Metal Oxides: Basic Understanding and Application Fields (GOSPEL 2019) will be held 19–21 June 2019 in Ferrara, Italy (https://agenda.infn.it/event/17310/). The 8th GOSPEL will be organized by the University of Ferrara and the Laboratory of Technological Transfer of the National Institute of Nuclear Physics (INFN-TTLab).


We are proud to announce our agreement with MDPI to publish a Special Issue on GOSPEL 2019, and cordially invite all contributors to publish a full paper of their GOSPEL 2019 contribution in this Special Issue of the journal Sensors (ISSN1424-8220; Impact Factor 2.475; https://www.mdpi.com/journal/sensors) published online by MDPI, Switzerland. According to the publishing rules, the full paper should be based on your conference presentation.

Prof. Vincenzo Guidi
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 papers will be 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 1800 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.

Published Papers (1 paper)

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Research

Open AccessArticle
Performance of Flexible Chemoresistive Gas Sensors after Having Undergone Automated Bending Tests
Sensors 2019, 19(23), 5190; https://doi.org/10.3390/s19235190 - 27 Nov 2019
Abstract
Many sensors are developed over flexible substrates to be used as wearables, which does not guarantee that they will actually withstand being bent. This work evaluates the gas sensing performance of metal oxide devices of three different types, before and after having undergone [...] Read more.
Many sensors are developed over flexible substrates to be used as wearables, which does not guarantee that they will actually withstand being bent. This work evaluates the gas sensing performance of metal oxide devices of three different types, before and after having undergone automated, repetitive bending tests. These tests were aimed at demonstrating that the fabricated sensors were actually flexible, which cannot be taken for granted beforehand. The active layer in these sensors consisted of WO3 nanowires (NWs) grown directly over a Kapton foil by means of the aerosol-assisted chemical vapor deposition. Their response to different H2 concentrations was measured at first. Then, they were cyclically bent, and finally, their response to H2 was measured again. Sensors based on pristine WO3-NWs over Ag electrodes and on Pd-decorated NWs over Au electrodes maintained their performance after having been bent. Ag electrodes covered with Pd-decorated NWs became fragile and lost their usefulness. To summarize, two different types of truly flexible metal oxide gas sensor were fabricated, whereas a third one was not flexible, despite being grown over a flexible substrate following the same method. Finally, we recommend that one standard bending test procedure should be established to clearly determine the flexibility of a sensor considering its intended application. Full article
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