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Chemoresistive Gas Sensors Based on Low Dimensional Semiconducting Nano-Structures

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

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 11173

Special Issue Editors


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Guest Editor
Department of Engineering, Messina University, Piazza Pugliatti, 1, 98122 Messina, Italy
Interests: synthesis of novel sensing materials; nanostructured materials for chemical and electrochemical sensing; metal oxide semiconductor-based gas sensors; biosensors; fabrication of chemical sensors; environmental sensors; automotive gas sensors; biomedical sensors
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Guest Editor
Functional Materials & Device Division, CSIR-Central Glass & Ceramic Research Institute, Council of Scientific & Industrial Research, Kolkata, India
Interests: synthesis of novel sensing materials; nanostructured materials for chemical and metal oxide semiconductor-based gas sensors; fabrication of chemical sensors; environmental sensors; automotive gas sensors; biomedical sensors

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Guest Editor
Department of materials science and Engineering,Shiraz University of Technology, Shiraz, Iran
Interests: nanomaterials; advanced ceramics; metal oxide gas sensors; core–shell nanomaterials

Special Issue Information

At present, gas sensors are widely used to improve the quality of life. Indeed, even though life is impossible without gases, some gases are highly toxic and dangerous to our lives. Therefore, the early detection of toxic gases and vapors by means of simple electronic devices is very important in environmental control. The detection of gases is also of utmost interest in other areas, such as in industrial processes, the automotive industry, the biomedical field, agriculture, and so on. Among different devices for the early detection of toxic gases, chemoresistive gas sensors are very popular due to their high sensitivity, fast dynamics, small size, and low cost.

In chemoresistive gas sensors, the sensing mechanism relies on the interaction of gas molecules with the sensing material. Therefore, the sensing material morphology is one of the key aspects. Accordingly, it is expected that, in view of their high surface area and gas adsorption sites, low-dimensional semiconducting materials such as nanowires, nanofibers, nanorods, nanobelts, nanosheets, etc. may provide better sensing characteristics than bulk materials. These 1-D and 2-D low-dimensional semiconducting materials can be further sensitized to gas molecules by means of different preparation and modification strategies, such as noble metal functionalization, composite heterojunctions, doping, etc.

Hence, this Special Issue welcomes original research contributions and state-of-the-art reviews from academia and industry regarding the synthesis and characterization of low-dimensional semiconductors and their application in chemoresistive gas sensing. Innovative solutions such as the in situ growth of these low-dimensional nanostructures on nanosized chemoresistive platforms for fabricating low-power and nanosized sensors are also welcome. The Special Issue topics include but are not limited to:

  • The synthesis of 1-D and 2-D semiconducting materials.
  • Nanowire-, nanofiber-, nanorod-, nanobelt-metal oxide chemoresistive gas sensors.
  • Functionalization of low-dimensional semiconducting materials.
  • Nanosheets of metal oxide and metal disulfides.
  • Core–shell low-dimensional semiconductors.
  • Nanocomposites of metal oxide on low-dimensional carbon (CNTs, graphene) supports.
  • Nanosized, low-power consumption chemoresistive gas sensors.
Prof. Giovanni Neri
Prof. Mrinal Pal
Dr. Ali Mirzaei
Guest Editors

Manuscript Submission Information

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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

  • nanowires
  • nanofibers
  • nanobelts
  • nanorods
  • nanosheets
  • semiconducting nanosheets of metal-oxide and metal disulfides
  • gas sensing
  • chemoresistive gas sensors

Published Papers (1 paper)

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Review

25 pages, 4478 KiB  
Review
Nanostructured Metal Oxide-Based Acetone Gas Sensors: A Review
by Vahid Amiri, Hossein Roshan, Ali Mirzaei, Giovanni Neri and Ahmad I. Ayesh
Sensors 2020, 20(11), 3096; https://doi.org/10.3390/s20113096 - 30 May 2020
Cited by 136 | Viewed by 10288
Abstract
Acetone is a well-known volatile organic compound that is widely used in different industrial and domestic areas. However, it can have dangerous effects on human life and health. Thus, the realization of sensitive and selective sensors for recognition of acetone is highly important. [...] Read more.
Acetone is a well-known volatile organic compound that is widely used in different industrial and domestic areas. However, it can have dangerous effects on human life and health. Thus, the realization of sensitive and selective sensors for recognition of acetone is highly important. Among different gas sensors, resistive gas sensors based on nanostructured metal oxide with high surface area, have been widely reported for successful detection of acetone gas, owing to their high sensitivity, fast dynamics, high stability, and low price. Herein, we discuss different aspects of metal oxide-based acetone gas sensors in pristine, composite, doped, and noble metal functionalized forms. Gas sensing mechanisms are also discussed. This review is an informative document for those who are working in the field of gas sensors. Full article
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