Topical Collection "Gas Sensors"
A topical collection in Sensors (ISSN 1424-8220).
Prof. Dr. Giovanni Neri
Department of Engineering, University of Messina, 98166 Messina, Italy
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Interests: chemical synthesis of sensing materials; oxide semiconductor-based gas sensors; nanostructures for chemical and electrochemical sensing; automotive gas sensors; biomedical sensors
Gas sensors play an important role in many aspects of technology, in fields such as industrial processes, automotive technologies, environmental monitoring, or air quality assurance, to name just a few, and are increasingly becoming part of our day-to-day lives at work and home. Today’s devices exploit numerous solid-state, electrochemical, optical and other phenomena related to gas sensing. Research and development of gas sensor devices continue to be faced with numerous challenges in terms of sensitivity, selectivity, stability, and many other aspects. Thus, while the fundamental understanding of underlying sensing processes continues to improve, the discovery of novel functional sensing materials open up new opportunities, the format/architecture of gas sensors is rapidly changing. In recent decades, the evolution of sensors has been strongly influenced by ICT technologies, with integration of microcontrollers, wireless communications modules, and permanent data storage. New sensing technology platforms provide the ability to monitor, control, optimize, and provide autonomy to smart, connected devices, enabled by advances in component miniaturization, microelectromechanical systems (MEMS), low-power devices, onboard processing, and Internet-connected “cloud” computing.
This Topical Collection on 'Gas Sensors' aims to cover the above-mentioned aspects regarding gas sensors. Key issues, such as the developments of novel gas sensing materials, new insights in gas sensing mechanisms, new devices and fabrication technologies, testing and characterization of micro- and nano-fabricated systems for gas sensing, are, therefore, collected together to give an overview of the recent fundamental and applied research carried out in this field. Topics covered are:
- Gas sensing materials
- Principles and phenomena of gas sensing
- Gas-sensing mechanisms
- Gas sensor technologies
- Micro- and nanofabrication
Prof. Dr. Giovanni Neri
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