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E-raamat: Nanostructured Gas Sensors: Fundamentals, Devices, and Applications

, (IIT Jodhpur, India)
  • Formaat: 184 pages
  • Ilmumisaeg: 06-Jan-2023
  • Kirjastus: Jenny Stanford Publishing
  • Keel: eng
  • ISBN-13: 9781000770452
  • Formaat - EPUB+DRM
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  • Formaat: 184 pages
  • Ilmumisaeg: 06-Jan-2023
  • Kirjastus: Jenny Stanford Publishing
  • Keel: eng
  • ISBN-13: 9781000770452

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This textbook broadly covers the fabrication and characterization of nanostructure films and exploration of their gas-sensing applications. Through the inclusion of up-to-date experimental knowledge of synthesis, processing, and application development, the book is suitable for academics at all levels.



Nanostructure materials exhibit distinct properties by virtue of nanoscale morphological variations, which opens up endless possibilities to investigate unexplored and interesting applications. This textbook broadly covers the fabrication and characterization of nanostructure films and exploration of their gas-sensing applications. It presents the fundamentals of gas-sensing technology and a comprehensive study on smart gas sensing technology. Readers will find basics, analytical techniques, nanotechnology-enabled experimental findings, and future directions of smart gas-sensing technology at one place. Through the inclusion of up-to-date experimental knowledge of synthesis, processing, and application development, the book is suitable for academics at all levels.

Preface ix
1 Introduction to Nanomaterials and Nanostructures
1(24)
1.1 Introduction
1(5)
1.1.1 Nanomaterials
2(1)
1.1.2 About Nano Science/Technology
3(1)
1.1.3 Nanostructured Materials in Sensing Technology
4(2)
1.2 Properties of Nanomaterials
6(4)
1.2.1 Mechanical Properties
6(2)
1.2.2 Optical Properties
8(1)
1.2.3 Electronic Properties
9(1)
1.2.4 Magnetic Properties
9(1)
1.3 Various Synthesis Techniques for Nanomaterials
10(4)
1.3.1 Synthesis of Nanomaterials by Biological Route
10(1)
1.3.2 Synthesis of Nanomaterials by Physical Route
11(1)
1.3.3 Synthesis of Nanomaterials by Chemical Route
11(1)
1.3.3.1 Co-precipitation method
11(1)
1.3.3.2 Hydrothermal method
12(1)
1.3.3.3 Sol-gel method
12(2)
1.3.3.4 Microwave-assisted techniques
14(1)
1.4 Gas Sensing Based on Nanostructured Materials
14(11)
2 Characterization of Nanomaterials
25(40)
2.1 Basics to Visualization Techniques for Nanomaterials
25(16)
2.1.1 Scanning Electron Microscopy
25(1)
2.1.1.1 Instrument arrangement
25(1)
2.1.1.2 Signal detection
26(1)
2.1.1.3 Detector
27(1)
2.1.1.4 Sample preparation
28(1)
2.1.1.5 SEM image acquisition
28(4)
2.1.2 TEM
32(1)
2.1.2.1 Instrumentation
33(1)
2.1.2.2 HR-TEM
34(1)
2.1.2.3 Liquid TEM
35(1)
2.1.2.4 S-TEM
35(2)
2.1.3 Atomic Force Microscope
37(1)
2.1.3.1 Working principle and instrumentation
37(2)
2.1.3.2 Scanning methods for advanced imaging modes
39(1)
2.1.3.3 AFM modes
39(2)
2.2 Basics to Analytical Techniques for Nanomaterials
41(24)
2.2.1 UV-Visible Spectroscopy
41(1)
2.2.1.1 Principle
41(1)
2.2.1.2 Beer-Lambert law
42(2)
2.2.1.3 Sample preparation
44(1)
2.2.1.4 Components of optical spectrometers
44(2)
2.2.1.5 Typeof UV/visible spectrophotometer
46(1)
2.2.2 Fourier Transform Infrared Spectroscopy
47(1)
2.2.2.1 Working principle
48(1)
2.2.2.2 Instrumentation
48(1)
2.2.2.3 Various techniques for examining samples
49(3)
2.2.3 X-Ray Diffraction
52(1)
2.2.3.1 Instrumentation
53(1)
2.2.3.2 Sample preparation
54(1)
2.2.3.3 Distortions
54(2)
2.2.3.4 Micro XRD
56(9)
3 Introduction to Gas Sensing
65(48)
3.1 Introduction
65(6)
3.2 Various Operating Principles of Gas Sensors
71(11)
3.2.1 Catalytic Sensors
71(1)
3.2.1.1 Pellistor sensors
71(1)
3.2.1.2 Thermoelectric sensors
72(1)
3.2.2 Thermal Conductivity Sensors
73(1)
3.2.3 Electrochemical Sensors
74(1)
3.2.3.1 Amperometric sensors
74(2)
3.2.3.2 Potentiometric sensors
76(1)
3.2.3.3 Resistance-based sensors
77(3)
3.2.3.4 Work function-based sensors
80(2)
3.3 Metal Oxide Nanostructures
82(31)
3.3.1 Method of Improving Gas Sensing Performance
87(1)
3.3.1.1 Decorating with nanoparticles of noble metals
87(3)
3.3.1.2 Metal doping
90(6)
3.3.1.3 Mixing with carbonaceous nanomaterials
96(1)
3.3.1.4 Constructing heterojunction
97(16)
4 Introduction to Device Fabrication
113(28)
4.1 Introduction
113(4)
4.2 Fabrication Methodologies
117(24)
4.2.1 Photolithography
118(4)
4.2.2 Physical Vapor Deposition
122(3)
4.2.3 Chemical Vapor Deposition
125(5)
4.2.4 Hydrothermal Deposition Method
130(11)
5 Gas Sensing Applications and Challenges
141(22)
5.1 Introduction
141(4)
5.2 Applications of Gas Sensors
145(5)
5.2.1 Environmental Applications
146(1)
5.2.2 Automotive Applications
147(1)
5.2.3 Biomedical Applications
148(1)
5.2.4 Healthcare Applications
149(1)
5.3 Future Applications
150(13)
5.3.1 E-Noses
150(1)
5.3.2 Challenges and Solutions of Smart Gas Sensing
150(1)
5.3.2.1 Reusability and repeatability
151(1)
5.3.2.2 Miniaturization and circuit integration
152(1)
5.3.2.3 Real-time monitoring
153(1)
5.3.3.3 Wireless gas sensors based on the IoT
154(9)
Index 163
Ankur Gupta is Assistant Professor at the Indian Institute of Technology (IIT) Jodhpur, India. He received his Ph.D. in Mechanical Engineering from IIT Kanpur and served as Assistant Professor at IIT Bhubaneswar for three years before joining IIT Jodhpur. He has over 100 research contributions to his credit, including patents, various international journal papers, book chapters, co-edited books, conference proceedings, and over 50 invited talks/presentations across the globe. Dr. Gupta was selected by the Department of Science and Technology, India, to participate in the Second BRICS Young Scientist Conclave held at Zhejiang University, China, in 2017. He is also a recipient of the ISEES Young Scientist Award (2017), IEI Young Engineer Award (201920) from the Institution of Engineers (India) in the production division, and SERB International Research Experience (SIRE) Fellowship Award (2022) for a research visit at the Karlsruhe Institute of Technology, Germany.

Gulshan Verma is currently a Ph.D. scholar in the Department of Mechanical Engineering at the Indian Institute of Technology (IIT) Jodhpur, India. He received his M.Tech. in Mechatronics Engineering from the Indian Institute of Information Technology, Design and Manufacturing (IIITDM) Jabalpur, India, in 2019. He has authored and co-authored various national and international journals and conference articles. His area of interest includes MEMS systems, nanocomposites-based sensors, and flexible sensors. His current research focuses on the field of flexible gas sensing devices.