• 1. General introduction to the topic. Definitions: sensors, chemical sensors. Principle of construction (receptor and transducer). Gas sensors. Their importance (why, what for, application areas). Examples. Basic characteristics (response, signal, sensitivity).

    2. Classification (due to the transduction principles; materials; applications). Principle of detection. Physico-chemical processes responsible for the detection.

    3. Chemiresistors. Semiconducting oxides (SnO2). Taguchi sensors. Microplatforms.
    Oxygen detection with high-temperature conductors (SrTiO3). Electronic and ionic conductivity. Conducting polymers. Phthalocyanines. Carbon nanotubes. Graphene. Percolation nanocomposites.

    4. Chemocapacitors. Gas-sensitive polymers. Humidity detectors.

    5. Optical (Non-dispersive IR) sensors. CO2 sensors. Climate control systems in cars.
    6. Field-effect transistors. Hydrogen sensors.

    7. Thermochemical (calorimetric) sensors. Hydrogen detection. Pellistors. Methane detection.

    8. Electrochemical sensors. Ionic conductors. Lambda-sonde. Detection of toxic gases.

    9. Mass-sensitive sensors. Quartz microbalance. Surface and bulk acoustic waves.

    10. Sensor fabrication. Micromachining. MEMS. CMOS. Deposition of sensing layers.

    11. Sensor arrays. Electronic noses. Data treatment. Multivariate analysis. Selectivity enhancement. Filters. Networks.

    12. Commercial sensors. Industrial perspective. Selection of sensors for applications in the fields of energy conversion and environmental protection.

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