Gas Sensors’ Microstructure, Fabrication, Performance and Application
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Materials".
Deadline for manuscript submissions: closed (1 March 2024) | Viewed by 3321
Special Issue Editors
Interests: nanostructured semiconducting oxide based gas sensors; graphene and other 2D materials for gas sensor device development
Special Issue Information
Dear Colleagues,
Over the course of their development, gas sensors have travelled a long and challenging path, incorporating unique and novel scientific measures to improve various performance indices such as sensitivity, selectivity, operating temperature, response/recovery time, stability, repeatability, detection limit and drift. Widespread applications of such sensors in safety, security, environmental monitoring, food/drink quality control and in the health sector (disease diagnosis) require sensors with typical and diversified specifications, imposing challenges for the gas sensor community due to the often conflicting nature of the optimization parameters. Such optimizations are usually employed at three different levels: (i) sensing martial tailoring (by modulating dimensionality through different nanostructures, by doping/surface modification/functionalization, or by forming composites), (ii) employing innovative device configurations (planar resistive, vertical metal–insulator–metal/semiconductor (MIM/MIS), field effect transistor (FET), homojunction, and heterojunction) and (iii) adopting novel measurement techniques including capacitive/impedance mode, often combining post-sensing signal processing techniques (such as PCA or ANN) along with them, in contrast to conventionally employed resistive measurement techniques. Researchers from materials, device, measurements or interdisciplinary fields devised several innovative and fascinating solutions to regulate all these design/technological aspects and efficiently channel them into the desired functionality, elucidating the necessity of knowledge exchange in this extremely interdisciplinary research arena.
This Special Issue will aim to provide a holistic view of the recent developments in the field, encompassing the various design and technological measures taken by different research groups to circumvent the various challenges. Original research articles, communications, as well as review papers covering the different experimental and theoretical aspects of this topic are invited for submission. The broad spectrum of the Special Issue includes, but is not limited to, those subjects covered in the keywords below.
Dr. Partha Bhattacharyya
Dr. Koushik Dutta
Guest Editors
Manuscript Submission Information
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Keywords
- design issues
- 0D, 1D, 2D and 3D metal oxide nanostructures
- graphene and beyond-graphene 2D materials
- carbon nanotubes and polymers
- hybrid/composite structures
- device architectures/configurations
- measurement techniques
- performance indices and its improvement
- modelling and simulation
- applications in safety
- security
- environment
- food quality healthcare and other fields
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