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Title Science and technology of chemiresistor gas sensors / Dinesh K. Aswal and Shiv K. Gupta, editors
Published New York : Nova Science Publishers, Inc., [2007]

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Description 1 online resource
Contents 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
Bibliography Includes bibliographical references and index
Notes Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212 MiAaHDL
English
Description based on print version record
digitized 2010 HathiTrust Digital Library committed to preserve pda MiAaHDL
Subject Gas detectors.
Nanotechnology.
TECHNOLOGY & ENGINEERING -- Sensors.
Gas detectors.
Nanotechnology.
Gassensor
Genre/Form Aufsatzsammlung.
Form Electronic book
Author Aswal, Dinesh K., editor
Gupta, Shiv K., 1930- editor
LC no. 2020679131
ISBN 9781617286650
1617286656