Physico-Chemistry of Solid-Gas Interfaces: Concepts and Methodology for Gas Sensor Development

Chapter 1. Adsorption Phenomena.

1.1. The surface of solids: general points.

1.2. Illustration of adsorption.

1.3. Acting forces between a gas molecule and the surface of a solid.

1.4. Thermodynamic study of physical adsorption.8

1.5. Physical adsorption isotherms.

1.6. Chemical adsorption isotherms.

1.7. Bibliography.

Chapter 2. Structure of Solids: Physico-chemical Aspects.

2.1. The concept of phases.

2.2. Solid solutions.

2.3. Point defects in solids.

2.4. Denotation of structural members of a crystal lattice.

2.5. Formation of structural point defects.

2.6. Bibliography.

Chapter 3. Gas-Solid Interactions: Electronic Aspects.

3.1. Introduction.

3.2. Electronic properties of gases.

3.3. Electronic properties of solids.

3.4. Electrical conductivity in solids.

3.5. Influence of temperature on the electric behavior of solids.

3.6. Bibliography.

Chapter 4. Interfacial Thermodynamic Equilibrium Studies.

4.1. Introduction.

4.2. Interfacial phenomena.

4.3. Solid-gas equilibriums involving electron transfers or electron holes.

4.4. Solid-gas equilibriums involving mass and charge transfers.

4.5. Homogenous semiconductor interfaces.

4.6. Heterogenous junction of semiconductor metals.

4.7. Bibliography.

Chapter 5. Model Development for Interfacial Phenomena.

5.1. General points on process kinetics.

5.2. Electrochemical aspect of kinetic processes.

5.3. Expression of mixed potential.

5.4. Bibliography.

Chapter 6. Apparatus for Experimental Studies: Examples of Applications.

6.1. Introduction.

6.2. Calorimetry.

6.3. Thermodesorption.

6.4. Vibrating capacitor methods.

6.5. Electrical interface characterization.

6.6. Bibliography.

Chapter 7. Material Elaboration.

7.1. Introduction.

7.2. Tin dioxide.

7.3. Beta-alumina.

7.4. Bibliography.

Chapter 8. Influence of the Metallic Components on the Electrical Response of the Sensors.

8.1. Introduction.

8.2. General points.

8.3. Case study: tin dioxide.

8.4. Case study: beta-alumina.

8.5. Conclusion.

8.6. Bibliography.

Chapter 9. Development and Use of Different Gas Sensors.

9.1. General points on development and use.

9.2. Examples of gas sensor development.

9.3. Device designed for the laboratory assessment of sensitive elements and/or sensors to gas action.

9.4. Assessment of performance in the laboratory.

9.5. Assessment of the sensor working for an industrial application.

9.6. Amelioration of the selectivity properties.

9.7. Bibliography.

Chapter 10. Models and Interpretation of Experimental Results.

10.1. Introduction.

10.2. Nickel oxide.

10.3. Beta-alumina.

10.4. Tin dioxide.

10.5. Bibliography.

Index.