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Full Description
Gas sensor technology has advanced remarkably during past few decades and has become one of the indispensable technologies for modern society. Varieties of gas sensors are commercially available and, using innovative ideas, efforts are being made to develop gas sensors of next generation having very small size with very low power consumption. The ultimate model for this is probably given by sensory organs of our own body, which are implanted finely and work well with a very modest amount of energy. In order to achieve this goal, it is essential that various aspects of gas sensors are seriously considered. These include understanding of gas sensing mechanisms, development of new materials and methods to synthesise them into selective sensors, innovations in nanostructured materials, measurement methods, microfabrication of sensors, exploring intelligent sensing system, etc. This book examines these issues pertaining to chemiresistive gas sensors.
Contents
Preface; Overview of Gas Sensor Technology; Chemisresistive Gas Sensors, Materials, Mechanisms and Fabrication; One-electrode Semiconductor Gas Sensors; Nanostructured Metal Oxides and their Hybrids for Gas Sensing Applications; The Dynamic Measurements of SnO2 Gas sensors and their Applications; Resistive Oxygen Sensors; Tellurium Thin Films based Gas Sensor; Vibrating Capacitor Method in the Development of Semiconductor Gas Sensors; Porous Silicon based Hydrogen Sensors; Bases of Noise Spectroscopy for Enhancing Metallic Oxide Gas Sensors Selectivity; Index.NER(01): GB IE