Semiconductor Materials For Gas Sensors

The two volumes of Handbook of Gas Sensor Materials provide a detailed and comprehensive account of materials for gas sensors, including the properties and relative advantages of various materials. Since these sensors can be applied for the automation of myriad industrial processes, as well as for everyday monitoring of such activities as public safety, engine performance, medical therapeutics, and in many other situations, this handbook is of great value. Gas sensor designers will find a treasure trove of material in these two books.

Semiconductor Gas Sensors, Second Edition, summarizes recent research on basic principles, new materials and emerging technologies in this essential field. Chapters cover the foundation of the underlying principles and sensing mechanisms of gas sensors, include expanded content on gas sensing characteristics, such as response, sensitivity and cross-sensitivity, present an overview of the nanomaterials utilized for gas sensing, and review the latest applications for semiconductor gas sensors, including environmental monitoring, indoor monitoring, medical applications, CMOS integration and chemical warfare agents. This second edition has been completely updated, thus ensuring it reflects current literature and the latest materials systems and applications. Includes an overview of key applications, with new chapters on indoor monitoring and medical applications Reviews developments in gas sensors and sensing methods, including an expanded section on gas sensor theory Discusses the use of nanomaterials in gas sensing, with new chapters on single-layer graphene sensors, graphene oxide sensors, printed sensors, and much more

This book examines the potential application of semiconductor materials for gas sensor production on the basis of their fundamental, theoretical, and experimental studies. Some of these materials or their composites were applied for semiconductor gas sensor production for the first time. Special attention is paid to the model materials A2B6, which are used in the form of films with biographic surface as well as with the surface doped by donor (In, Cd, Sn, Pt, Pd etc.) and acceptor (Se and others) particles. Results of application of metal-oxide materials as adsorptionally sensitive elements are also represented in this book. These elements were produced and tested in the form of simple oxides (as SnO2, In2O3, for example) as well as in the form of composite oxide metal complexes (SnWO4, ZnO:In2O3 etc.). The book examines in detail the influence of doping on different materials and their adsorption sensitivity, persistence, selectivity, dynamic and kinetic characteristics, and other parameters. Results of thorough studies of degradation of semiconductor sensor material characteristics, when in working gas atmospheres, are represented in a special section of the book. Adsorptionally sensitive parameters of amorphous silicon, micro-, macro- and nanoporous silicon are examined and results of Si structure testing as gas sensors are also discussed in this book.

This book examines the potential application of semiconductor materials for gas sensor production on the basis of their fundamental, theoretical, and experimental studies. Some of these materials or their composites were applied for semiconductor gas sensor production for the first time. Special attention is paid to the model materials A2B6, which are used in the form of films with biographic surface as well as with the surface doped by donor (In, Cd, Sn, Pt, Pd etc.) and acceptor (Se and others) particles. Results of application of metal-oxide materials as adsorptionally sensitive elements are also represented in this book. These elements were produced and tested in the form of simple oxides (as SnO2, In2O3, for example) as well as in the form of composite oxide metal complexes (SnWO4, ZnO:In2O3 etc.). The book examines in detail the influence of doping on different materials and their adsorption sensitivity, persistence, selectivity, dynamic and kinetic characteristics, and other parameters. Results of thorough studies of degradation of semiconductor sensor material characteristics, when in working gas atmospheres, are represented in a special section of the book. Adsorptionally sensitive parameters of amorphous silicon, micro-, macro- and nanoporous silicon are examined and results of Si structure testing as gas sensors are also discussed in this book.

This book covers the whole range of gas sensing aspects starting from basics, synthesis, processing, characterization, and application developments. All sub-topics within the domain of gas sensors such as active materials, novel nanomaterials, working mechanisms, fabrication techniques, computational approach, and development of microsensors, and latest advancements such as the Internet of Things (IoT) in gas sensors, and nanogenerators, are explained as well. Related manufacturing sections and proposed direction of future research are also reviewed. Features: Covers detailed state-of-the-art specific chemiresistive sensing materials. Presents novel nanomaterial platforms and concepts for resistive gas sensing. Reviews pertinent aspects of smart sensors and IoT sensing. Explains nanotechnology-enabled experimental findings, and future directions of smart gas sensing technology. Explores implication of latest advancements such as IoT in gas sensors, and nanogenerators. This book is aimed at academic researchers and professionals in sensors and actuators, nanotechnology, and materials science.

The two volumes of Handbook of Gas Sensor Materials provide a detailed and comprehensive account of materials for gas sensors, including the properties and relative advantages of various materials. Since these sensors can be applied for the automation of myriad industrial processes, as well as for everyday monitoring of such activities as public safety, engine performance, medical therapeutics, and in many other situations, this handbook is of great value. Gas sensor designers will find a treasure trove of material in these two books.

This book focuses on the applications of nanomaterials in the fabrication of gas sensors. It covers recent developments of different materials used to design gas sensors, such as conducting polymers, semiconductors, as well as layered and nanosized materials. The widespread applications of various gas sensors for the detection of toxic gases are also discussed. The book provides a concise but thorough coverage of nanomaterials applications and utilization in gas sensors. In addition, it overviews recent developments in and the fabrication of gas sensors and their attributes for a broad audience, including beginners, graduate students, and specialists in both academic and industrial sectors.

The second edition of this book focuses on the synthesis, design, and application of semiconducting metal oxides as gas sensing materials, including the gas sensing mechanism, and modification methods for sensing materials, while also providing a comprehensive introduction to semiconductor gas sensing devices. As an essential part of IoT (Internet of things), gas sensors have shown great significance and promising prospects. Therefore, studies on functional mesoporous metal oxides, one of the most important gas sensing materials based on their unique Knudsen diffusion behavior and tailored pore structure, have increasingly attracted attention from various disciplines. The book offers a valuable reference guide to metal oxide gas sensing materials for undergraduate and graduate students alike. It will also benefit all researchers who are involved in synthesis and gas sensing of metal oxides nanomaterials with relevant frontier theories and concepts. Engineers working on research and development of semiconductor gas sensors will also find some new ideas for sensor design.