Advanced Nanomaterials For Inexpensive Gas Microsensors

Advanced Nanomaterials for Inexpensive Gas Microsensors presents full coverage of the area of gas sensing nanomaterials, from materials, transducers and applications to the latest advanced results and future directions. A number of experts in the field present work on gas sensing nanomaterials including metal oxides, carbon based and hybrid materials, together with their fabrication and application. The book brings together three major themes: Several chapters address synthesis, functionalization, characterization of advanced nanomaterials, with emphasis on synthesis techniques to ease the integration of nanomaterials in transducers. These chapters encompass a wide spectrum of sensing technologies including advanced nanomaterials such as metal oxides, carbon materials and graphene, organic molecular materials, and atomic layers such as MoS2. The authors examine the coupling of sensitive nanomaterials to different types of transducer elements and their applications, including direct growth and additive fabrication techniques as a way to obtain inexpensive gas microsensors, principal transduction schemes, and advanced operating methods. Assess the value of major applications for gas microsensors, including air quality monitoring both indoors (buildings and vehicles) and outdoors, monitoring perishable goods and medical. For each application, potential issues are clearly identified, research directions to overcome these are suggested, and market analysis data is included. Advanced Nanomaterials for Inexpensive Gas Microsensors presents the latest research and most comprehensive coverage in the field of gas micro and nano sensors for research scientists, academics, graduate students, and R&D managers working on synthesis of nanomaterials and fabrication of sensing systems, in a wide range of areas in electrical and material engineering, physical chemistry, electrochemistry and physics. Presents technological solutions and applications of gas sensors in varied areas of chemistry, physics, material science, and engineering Examines advanced operating methods (e.g., temperature modulation, self-heating, light-activated response, noise methods) to enhance stability, sensitivity, selectivity and reduce power consumption Provides a critical review of current applications and their expected future evolution, demonstrating which are the most promising approaches and what can be expected from the development of inexpensive gas micro- and nanosensors

This book provides a comprehensive overview of the current state-of-art in oxide nanostructures, carbon nanostructures and 2D materials fabrication. It covers mimicking of sensing mechanisms and applications in gas sensors. It focuses on gas sensors based on functional nanostructured materials, especially related to issues of sensitivity, selectivity, and temperature dependency for sensors. It covers synthesis, properties, and current gas sensing tools and discusses the necessity for miniaturized sensors. This book will be of use to senior undergraduate and graduate students, professionals, and researchers in the field of solid-state physics, materials science, surface science and chemical engineering.

This book presents a blueprint for researchers in the area of nanotechnology for chemical defense, especially with regard to future research on detection and protection. It addresses the synthesis of complex nanomaterials with potential applications in a broad range of sensing systems. Above all, it discusses novel experimental and theoretical tools for characterizing and modeling nanostructures and their integration in complex systems. The book also includes electronic structure calculations exploring the atomic and quantum mechanical mechanisms behind molecular binding and identification, so as to provide readers with an in-depth understanding of the capabilities and limitations of various nanomaterial approaches. Gathering contributions by scientists with diverse backgrounds, the book offers a wealth of insightful information for all scientists whose work involves material science and its applications in sensing.

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.

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

Environmental Applications of Carbon Nanomaterials-Based Devices Explore this insightful treatment of the function and fabrication of high-performance devices for environmental applications Environmental Applications of Carbon Nanomaterials-Based Devices delivers an overview of state-of-the-art technology in functionalized carbon nanomaterials-based devices for environmental applications. The book provides a powerful foundation, based in materials science, on functionalized carbon nanomaterials in general, and environmental science and device fabrication in particular. The book focuses on the chemical and physical methods of functionalization of carbon nanomaterials and the technology of device fabrication, including lab-on-a-chip approaches and applications such as wastewater purification and gas sensing. It provides readers with a thorough understanding of effective environmental remediation techniques performed with carbon nanomaterials-based devices. In addition to topics such as cross-linked graphene oxide membranes assembled with graphene oxide nanosheets, free-standing graphene oxide-chitin nanocrystal composite membranes for dye adsorption and oil/water separation, and in-situ grown covalent organic framework nanosheets on graphene for membrane-based dye/salt separation, readers will also benefit from the inclusion of: A thorough introduction to charge-gated ion transport through polyelectrolyte intercalated amine reduced graphene oxide membranes An exploration of hydrotalcite/graphene oxide hybrid nanosheets functionalized nanofiltration membrane for desalination A discussion of the incorporation of attapulgite nanorods into graphene oxide nanofiltration membranes for efficient dyes wastewater treatment An examination of attapulgite nanofibers and graphene oxide composite membranes for high-performance molecular separation Perfect for materials scientists, analytical chemists, and environmental chemists, Environmental Applications of Carbon Nanomaterials-Based Devices will also earn a place in the libraries of sensor developers seeking a one-stop resource for high-performance devices and sensors useful for environmental applications.

This third volume on environmental nanotechnology includes chapters dealing with topics such nanoremediation, waste water purification, nanosensors, nanomedicine, and nanofiltration. It also highlights the safety aspects and risk assessment and management related to several toxins, as well as nanotechnology related solutions for these challenges. The book also discusses new nanomaterials from the nexus of environment, water, remediation and total environment.