High-Sensitivity and -Selectivity Gas Sensors with Nanoparticles, Nanostructures, and Thin Films
A special issue of Chemosensors (ISSN 2227-9040). This special issue belongs to the section "Nanostructures for Chemical Sensing".
Deadline for manuscript submissions: closed (25 June 2022) | Viewed by 34368
Special Issue Editors
Interests: gas sensors; nanostructures; semiconducting oxides; supercapacitors; batteries; catalysts, functional coatings and electrolytes
Special Issues, Collections and Topics in MDPI journals
Interests: metal oxide gas sensor; wet chemistry synthesis; thin film deposition; materials chemistry
Interests: batteries; nanostructured oxides; gas sensors; catalysts; materials; cathode materials
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Advanced gas sensors fabricated with nanoparticles and thin films of semiconductor metal oxides have been widely used for the detection of toxic, hazardous, combustible gases and biomakers for the safety of human beings, environmental control, and breath analysis. This is certainly due to their advantages such as the simplicity of their synthesis, their high sensitivity to small concentrations of gases, their low fabrication cost, and their long-term stability. Despite these advantages, their selectivity and cross-sensitivity remain challenging issues. A barrier for the implementation of semiconductor metal oxides is their slow kinetics both in response to target analytes and recovery. Recent progress in the synthesis of novel nanostructures reveals that these issues can be overcome by the achievement of superior surface area, pore size and distribution, control of the morphology, by doping (in order to promote the reaction to specific gases), and the use of composites, heterostructures of metal oxides, etc.
The goal of this Special Issue is to highlight new achievements on the improvement of gas sensor performance by doping, and the synthesis of nanoparticles and thin films in various morphologies, heterostructures, and nanocomposites. Original research works and reviews are welcome on topics of interest including but not limited to the following:
- Effects of Nanoparticles, nanostructures, and thin-films;
- Nanocomposites, heterostructures;
- p-n and n-n junctions;
- Doping and decoration of metal oxides;
- Synthesis in various morphology and compositions;
- On gas sensing and detection;
- For applications in e-nose, breath analysis, indoor and environmental pollutin, combustion and burning condition monitoring.
Dr. Bilge Saruhan-Brings
Dr. Roussin Lontio Fomekong
Dr. Svitlana Nahirniak
Guest Editors
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Keywords
- metal oxides
- semiconductors
- nanostructures
- nanoparticles
- thin films
- doping
- nanoscale heterojunctions
- gas sensors
- chemical gas sensing
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