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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book Fabrication and Sensing Characteristics of Resistance-Type Indium-Tin-Oxide (ITO) Ammonia Gas Sensors written by and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : 林正偉
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (776 download)
Download or read book Fabrication of Indium-Tin-Oxide(ITO) Ammonia Gas Sensors written by 林正偉 and published by . This book was released on 2011 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (136 download)
Download or read book Fabrication of Chemiresistive-Type Indium Tin Oxide (ITO)-Based Gas Sensors written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raivo Jaaniso
Publisher : Woodhead Publishing
ISBN 13 : 0081025602
Total Pages : 512 pages
Book Rating : 4.0/5 (81 download)
Download or read book Semiconductor Gas Sensors written by Raivo Jaaniso and published by Woodhead Publishing. This book was released on 2019-09-24 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Author : Arporn Teeramongkonrasmee
Publisher :
ISBN 13 : 9789743312533
Total Pages : 322 pages
Book Rating : 4.3/5 (125 download)
Download or read book Fabrication of Thin Film Tin Oxide Gas Sensors by Sol-gel Technique written by Arporn Teeramongkonrasmee and published by . This book was released on 1998 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this dissertation, a systematic study involving the fabrication of thin film SnO2 gas sensors by sol-gel technique had been carried out. The sol solution of SnO2 was prepared by chemical synthesis process. Tin tetrachloride and sodium ethoxide were used as the fundamental reactants. The synthesis sol had been coated on the glass substrate by spin coating technique to form thin films. The coated films were then subjected to anneal at 550 C for 1 hour to change their structure to SnO2. It was found that the thickness of SnO2 films could be linearly controlled by varying the number of coatings. The thickness of each coating was about 350 A. In order to analyze the gas sensing performance quantitatively, a novel gas measuring circuit was proposed. This circuit could be used to calculate sensitivity and recovery time without depending on the external circuit components such as resistance. The performance of this proposed circuit had been compared with that of the conventional circuit in both theoretical and experiment aspects. The results indicated the conventional measuring circuit is not suitable for calculating gas sensitivity in the case which a semiconductor gas sensor under test has a nonlinear I-V characteristic. For the proposed sircuit, this nonlinear property did not cause any problem in calculating sensitivity. Moreover, the gas sensing performance of various gas sensors could be compared quantitatively if the bias voltage of all gas sensors were set to the same value. The characterization of the fabricating gas sensors had been performed on a flow injection system combining with the proposed measuring circuit. The sensitivity of gas sensor had been found to be strongly dependent on the film thickness. The experiments showed that the optimum thickness was about 1000 A. From the gas response tests to alcohol and ammonia solutions, it was found that the unmodified SnO2 gas sensor gave the highest sensitivity. The addition of some modified substances such as CuSO4, AgNO3 and Au reduced the gas sensitivity. However, there was a tendency to increase sensitivity by adding FeCl3. By using the power law model to analyze the change of sensitivity with sample concentration, it was found that the unmodified SnO2 gas sensor could be used to detect alcohol and ammonia in the range of 0.08-10 and 0.05-10% by volume respectively. The optimum operating temperature was 250 C for alcohol detection and 350 C ammonia detection.
Author : Kousuke Ihokura
Publisher : CRC Press
ISBN 13 : 1351409018
Total Pages : 198 pages
Book Rating : 4.3/5 (514 download)
Download or read book The Stannic Oxide Gas SensorPrinciples and Applications written by Kousuke Ihokura and published by CRC Press. This book was released on 2017-12-14 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Stannic Oxide Gas Sensor presents a comprehensive overview of the background science and technology of the subject, including practical information on its applications and the electronic circuits with which it is associated. The book explains the chemistry of the device and covers typical methods of fabrication. Sensitivity and selectivity are addressed, and the problems of drift with ambient temperature, relative humidity, and time are fully discussed. The book also presents examples of industrial, commercial, and domestic applications. It explains the design of appropriate electronic circuits and describes methods for testing and characterizing sensors. Advantages and disadvantages of sensors are assessed as well.
Author : 楊景立
Publisher :
ISBN 13 :
Total Pages : 121 pages
Book Rating : 4.:/5 (871 download)
Download or read book Fabrication of Indium-Tin-Oxide (ITO) Based Chemical Sensors written by 楊景立 and published by . This book was released on 2013 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book Study of Resistance-Type Indium-Tin-Oxide(ITO) Hydrogen Sensing Devices and Related Sensing Circuits written by and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 2676 pages
Book Rating : 4.3/5 (91 download)
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniela Nunes
Publisher : Elsevier
ISBN 13 : 012811505X
Total Pages : 331 pages
Book Rating : 4.1/5 (281 download)
Download or read book Metal Oxide Nanostructures written by Daniela Nunes and published by Elsevier. This book was released on 2018-11-01 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Oxide Nanostructures: Synthesis, Properties and Applications covers the theoretical and experimental aspects related to design, synthesis, fabrication, processing, structural, morphological, optical and electronic properties on the topic. In addition, it reviews surface functionalization and hybrid materials, focusing on the advantages of these oxide nanostructures. The book concludes with the current and future prospective applications of these materials. Users will find a complete overview of all the important topics related to oxide nanostructures, from the physics of the materials, to its application. - Delves into hybrid structured metal oxides and their promising use in the next generation of electronic devices - Includes fundamental chapters on synthesis design and the properties of metal oxide nanostructures - Provides an in-depth overview of novel applications, including chromogenics, electronics and energy
Author : John F. Hughes
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (12 download)
Download or read book Sensitivity Enhancement of Metal-oxide Chemical Sensors for Detection of Volatile Organic Compounds written by John F. Hughes and published by . This book was released on 2017 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Metal-oxide chemical sensor technology has been praised as a cheap and efficient method of detecting both reducing and oxidizing gases depending on the metal-oxide’s carrier type. The research conducted in this thesis explored methods of enhancing the sensitivity of an n-type metal-oxide material (indium tin oxide, ITO) to a volatile organic compound (VOC) through changes in both device and testing characteristics. Two methods of testing prototype sensors were developed which consisted of short and long-term exposure to ethanol at different temperatures and concentrations. Maximum sensitivity at 2000 ppm was achieved in devices with thin, annealed metal-oxide layers with a high temperature of operation; this sensitivity measurement was achieved using a prolonged exposure test with 100-nm of annealed ITO at an operating temperature of 360°C and yielded a sensitivity of 32.5%. A fabrication process consisting of two lift-off processes for the metal-oxide and contact metal was developed to create the prototype devices. Preliminary characterization on the metal-oxide materials confirmed its thickness, crystallinity / crystal structure, and grain size. In addition to the electrical tests, a future work chemical sensor was thermally and electrically simulated using SolidWorks and Silvaco Atlas, respectively; a proposed fabrication process of the device is also presented, along with a basic outline of future work experiments to further study sensitivity enhancements through other metal-oxide materials, noble catalytic metals, device architecture, and signal processing of proposed electrical testing."--Abstract.
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Fabrication of Chemiresistive - Type Tin Oxide (SnO2) - Based Gas Sensors written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (136 download)
Download or read book Fabrication of Chemiresistive-Type Indium Oxide (In2O3) -Based Gas Sensors written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 796 pages
Book Rating : 4.F/5 ( download)
Download or read book Materials Science & Engineering written by and published by . This book was released on 2006 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sher Bahadar Khan
Publisher : BoD – Books on Demand
ISBN 13 : 1789851599
Total Pages : 170 pages
Book Rating : 4.7/5 (898 download)
Download or read book Gas Sensors written by Sher Bahadar Khan and published by BoD – Books on Demand. This book was released on 2020-03-25 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Md. Ibrahim H. Mondal
Publisher : Woodhead Publishing
ISBN 13 : 0128214848
Total Pages : 817 pages
Book Rating : 4.1/5 (282 download)
Download or read book Fundamentals of Natural Fibres and Textiles written by Md. Ibrahim H. Mondal and published by Woodhead Publishing. This book was released on 2021-03-20 with total page 817 pages. Available in PDF, EPUB and Kindle. Book excerpt: The textile industry is focused in its search for alternative green fibres with the aim of providing high-quality products which are fully recyclable and biodegradable. Natural textile materials from renewable sources play an increasingly important role in the industry due to their unique properties and functionality over synthetic fibres, as well as their sustainability. Fundamentals of Natural Fibres and Textiles covers all the fundamental and basic information about natural fibres and textiles. Many different fibres are covered from their origin, through processing, properties, and applications. The latest methods for characterisation and testing of natural fibres are all addressed with reference to cutting-edge industry trends. This uniquely comprehensive approach to the topic provides the ideal entry point to natural fibres for textile and clothing scientists, engineers, designers, researchers, students, and manufacturers of such products. - Explains the characteristics of natural fibres to show how they compare to synthetic fibres for a range of purposes - Provides an overview of the environmental impact of the processing of fibres and how this creates industrial waste - Covers a wide range of natural fibres in detail, from traditional silk and wool to electrospun biopolymers - Provides the latest updates on technologies for designing natural fibres and applying them to the development of new products
Author : Sabu Thomas
Publisher : Springer Nature
ISBN 13 : 9811548102
Total Pages : 467 pages
Book Rating : 4.8/5 (115 download)
Download or read book Functional Nanomaterials written by Sabu Thomas and published by Springer Nature. This book was released on 2020-06-12 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
