Advanced Nanomaterials for High-Performance Gas Sensors
A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "C：Chemistry".
Deadline for manuscript submissions: 30 November 2025 | Viewed by 360
Special Issue Editor
Interests: gas sensors; nanostructured materials; energy storage devices; electrocatalytic water splitting
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Gas sensors are essential for environmental monitoring, industrial safety, medical diagnostics, and homeland security. However, traditional gas sensors frequently encounter challenges such as low sensitivity, inadequate selectivity, elevated operating temperatures, and slow response and recovery times. Advanced nanomaterials offer a transformative solution to these problems. Nanomaterials—including metal oxides, graphene and its derivatives, transition metal dichalcogenides (TMDs), carbon nanotubes (CNTs), and metal–organic frameworks (MOFs)—exhibit unique physicochemical properties such as a high surface-to-volume ratio, tunable electronic structures, and exceptional adsorption capabilities. These characteristics lead to enhanced gas interaction, faster electron transfer, and better detection limits, even at low concentrations and room temperatures.
This Special Issue, titled "Advanced Nanomaterials for High-Performance Gas Sensors", highlights the significant advancements in developing and applying nanomaterials to enhance gas sensing technologies, which delves into the design, synthesis, characterization, and integration of these nanomaterials into sensor platforms. It discusses innovative strategies such as doping, heterostructure formation, surface functionalization, and hybridization to enhance selectivity and stability. Moreover, it highlights the importance of artificial intelligence and machine learning in analyzing sensor data and optimizing material design. By integrating interdisciplinary research, this Special Issue aims to provide a comprehensive overview of current advancements and future directions in the field. It serves as an essential resource for scientists, engineers, and industry professionals looking to develop next-generation gas sensors with improved sensitivity, reliability, and energy efficiency, thereby pushing the limits of real-world sensing applications.
Prof. Dr. Rajneesh Kumar Mishra
Guest Editor
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Keywords
- nanostructured materials
- gas sensing mechanisms
- metal oxide semiconductors (MOSs)
- two-dimensional (2D) materials
- heterojunction engineering
- room-temperature sensing
- selectivity enhancement
- sensor sensitivity optimization
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