化学传感器 : 仿真与建模. 第2卷, 电导型传感器

PREFACE

ABOUT THE EDITOR

CONTRIBUTORS

1 NUMERICAL SIMULATION OF ELECTRICAL RESPONSES TO GASES IN ADVANCED STRUCTURES

A.Setkus

1 Introduction

2 Analytic and Numeric Modeling

2.1 Basic Equations

2.2 Analytical Approaches

2.3 Numerical Simulations

2.4 Verification of Models

3 Resistive Sensors

3.1 Introductory Remarks

3.2 Polycrystalline Films

3.3 Nanostructured Films

3.4 Conductive Polymer Layers

3.5 Molecular Structures

4 Concluding Comments

References

2 Co-ADSORPTION PROCESSES AND QUANTUM MECHANICAL MODELING OF GAS-SENSING EFFECTS

J-J.Velasco Velez

1 Introduction

2 Solid-Gas Interaction

2.1 Adsorption

2.2 Chemisorption

2.3 Electronic Transitions in Chemisorption

2.4 Chemisorption in Equilibrium, "Wolkenstein" Isotherm

2.5 Reaction Time

2.6 Charge Transfer Model (CTM)

3 Co-adsorption

3.1 QuantumModel

3.2 StatisticalModel

3.3 AdsorptionTime

4 Discussion

5 Summary

6 Nomenclature

Dedication

Acknowledgment

References

3 NANOSENSORS: A PLATFORM TO MODEL THE SENSING MECHANISMS IN METAL OXIDES

F.Hemandez-Ramirez

J.D.Prades

A.Cirera

1 Introduction

2 Toward a Better Description of Gas-Sensing Mechanisms in

Metal Oxides: Oxygen Diffusion in Tin Dioxide Nanowires

2.1 Description of Oxygen Sensing Using Diffusion

2.2 Summary

3 Toward a Systematic Understanding of Photo-Activated Gas Sensors

3.1 Experimental Background 1i

3.2 Theoretical Model of the Photo-Activated Response to Oxidizing Gases (NO2)

3.3 Comparison with Experiments

3.4 Other Target Gases

3.5 Summary

4 Conclusions

Acknowledgments

References

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4 SUREACE STATE MODELS FOR CONDUCTANCE RESPONSE OF METAL OXIDE GAS SENSORS DURING THERMAL TRANSIENTS

5 CONDUCTANCE TRANSIENT ANALYSESOF METAL OXIDE GAS SENSORS ON THE EXAMPLE OF SPINEL FERRITE GAS SENSORS

This series，Chemical Sensors：Simulation and Mod.eling，is the perfect complement to Momentum Press's six-volume reference series，Chemical Sensors：Fundamentals of Sensing Materials and Chemical Sensors： Comprehensive Sensor Technologies，which present detailed information about materials，technologies，fabrication，and applications of various devices for chemical sensing.Chemical sensors are integral to the automation of myriad industrial processes and everyday monitoring of such activities as public safety，engine performance，medical therapeutics，and many more.