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Science and technology of chemiresistor gas sensors /
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
Nova Science Publishers, Inc.,
[2007]
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- SCIENCE AND TECHNOLOGY OFCHEMIRESISTOR GAS SENSORS; CONTENTS; PREFACE; OVERVIEW OF GAS SENSOR TECHNOLOGY; ABSTRACT; 1. BACKGROUND OF GAS SENSOR TECHNOLOGY; 2. TYPES AND PRINCIPLES OF GAS SENSORS; 2.1. Types of Gas Sensors; 2.2. Receptors and Transducers
- Construction Principles; 2.3. Modes of Gas Sensing; Equilibrium Mode; Steady State Mode; Complete Reaction Mode; Accumulation Mode; 3. BIRTH AND GROWTH OF GAS SENSOR TECHNOLOGY; 3.1. Brief History; 3.2. Mature Markets; 3.3. Emerging Markets; Air Quality Sensor; Auto-damper sensor; Gas Sensor -combined Fire Alarm.
- Quality-discerning Odor AnalyzerCO2 Sensor; NOx Sensors; 3.4. Challenging Markets; Onboard Car-Emission Sensors; Environmental Monitoring; Process Gas Monitoring; Wearable Sensors and Ubiquitous Sensors; 4. FUNDAMENTAL ASPECTS OF SEMICONDUCTOR GAS SENSORS; 4.1. Three Basic Factors; 4.2. Higher Order Structure Favorable for High Sensitivity; 4.3. Sensor Design to Promote Selectivity; 5. PROPOSALS FOR NEXT GENERATION TECHNOLOGY; (1) Challenge Ultimately Miniaturized Gas Sensors; (2) Pay More Attention to Materials Processing and Materials Science; (3) Explore Intelligent Sensing Systems.
- (4) Seek Collaboration with Experts of Different DisciplinesREFERENCES; CHEMIRESISTOR GAS SENSORS:MATERIALS, MECHANISMS AND FABRICATION; ABSTRACT; 1. INTRODUCTION; 2. CHEMIRESISTIVE SENSOR; 2.1. Basic Characteristics; 2.2. Determination of Sensing Parameters; 3. CHEMIRESISTIVE SENSOR MATERIALS; 3.1. Semiconductor Metal-oxides; (a) Materials and Analyte Gases; (b) Problems Associated with Metal-oxide Sensors; 3.2. Non-oxide Materials; 4. TIN OXIDE SENSOR; 4.1. Physical Properties; 4.2. Gas Sensing Properties of Pure SnO2; 4.3. Influence of Additives on Sensing Mechanism of SnO2.
- (A) Catalytic Effect(b) Spill-over Effect; (c) Fermi Energy Control; 5. SENSOR FABRICATION; 5.1. Pellet-based Sensors; 5.2. Meso-porous Sensor; 5.3. Thick Film Based Sensors; 5.4. Thin Film Based Sensors; (a) Physical Vapor Deposition; (b) Chemical Vapor Deposition; 6. SELECTIVE TIN OXIDE SENSORS; 6.1. H2S Gas Sensor; (a) Sensor Fabrication; (b) Sensor Characteristics; (c) Sensing Mechanism; (d) Impedance Spectroscopy; 6.2. NH3 Sensor; 6.3. NO Sensor; 6.4. H2 Sensor; 7. FACTORS DETERMINING SENSING PROPERTIES; 7.1. Geometrical Factors; (a) Grain Size Effect; (b) Crystallographic Plane Effect.
- (C) Agglomeration of Grains and Porosity Effect7.2. Physico-chemical Properties; 8. GAS SENSORS ON MICROHOTPLATES; CONCLUSIONS; ACKNOWLEDGEMENTS; REFERENCES; ONE-ELECTRODE SEMICONDUCTOR GAS SENSORS; ABSTRACT; 1. INTRODUCTION; 2. DESIGN FEATURES OF ONE-ELECTRODE METAL OXIDEGAS SENSORS AND THEIR PRINCIPLE OF OPERATION; 2.1. Parameters of One-electrode Gas Sensors and Their OperatingPrinciples; 2.2. Selection of Gas Sensing Materials; 2.3. Comparison of One-electrode Semiconductor Gas Sensor and Pellistors; 2.3.1. Pellistor Sensors.