Preface |
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ix | |
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1 Introduction to Nanomaterials and Nanostructures |
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1 | (24) |
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1 | (5) |
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2 | (1) |
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1.1.2 About Nano Science/Technology |
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3 | (1) |
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1.1.3 Nanostructured Materials in Sensing Technology |
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4 | (2) |
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1.2 Properties of Nanomaterials |
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6 | (4) |
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1.2.1 Mechanical Properties |
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6 | (2) |
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8 | (1) |
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1.2.3 Electronic Properties |
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9 | (1) |
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1.2.4 Magnetic Properties |
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9 | (1) |
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1.3 Various Synthesis Techniques for Nanomaterials |
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10 | (4) |
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1.3.1 Synthesis of Nanomaterials by Biological Route |
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10 | (1) |
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1.3.2 Synthesis of Nanomaterials by Physical Route |
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11 | (1) |
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1.3.3 Synthesis of Nanomaterials by Chemical Route |
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11 | (1) |
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1.3.3.1 Co-precipitation method |
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11 | (1) |
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1.3.3.2 Hydrothermal method |
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12 | (1) |
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12 | (2) |
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1.3.3.4 Microwave-assisted techniques |
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14 | (1) |
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1.4 Gas Sensing Based on Nanostructured Materials |
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14 | (11) |
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2 Characterization of Nanomaterials |
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25 | (40) |
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2.1 Basics to Visualization Techniques for Nanomaterials |
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25 | (16) |
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2.1.1 Scanning Electron Microscopy |
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25 | (1) |
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2.1.1.1 Instrument arrangement |
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25 | (1) |
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26 | (1) |
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27 | (1) |
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2.1.1.4 Sample preparation |
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28 | (1) |
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2.1.1.5 SEM image acquisition |
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28 | (4) |
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32 | (1) |
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33 | (1) |
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34 | (1) |
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35 | (1) |
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35 | (2) |
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2.1.3 Atomic Force Microscope |
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37 | (1) |
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2.1.3.1 Working principle and instrumentation |
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37 | (2) |
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2.1.3.2 Scanning methods for advanced imaging modes |
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39 | (1) |
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39 | (2) |
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2.2 Basics to Analytical Techniques for Nanomaterials |
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41 | (24) |
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2.2.1 UV-Visible Spectroscopy |
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41 | (1) |
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41 | (1) |
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42 | (2) |
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2.2.1.3 Sample preparation |
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44 | (1) |
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2.2.1.4 Components of optical spectrometers |
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44 | (2) |
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2.2.1.5 Typeof UV/visible spectrophotometer |
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46 | (1) |
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2.2.2 Fourier Transform Infrared Spectroscopy |
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47 | (1) |
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2.2.2.1 Working principle |
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48 | (1) |
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48 | (1) |
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2.2.2.3 Various techniques for examining samples |
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49 | (3) |
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52 | (1) |
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53 | (1) |
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2.2.3.2 Sample preparation |
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54 | (1) |
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54 | (2) |
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56 | (9) |
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3 Introduction to Gas Sensing |
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65 | (48) |
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65 | (6) |
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3.2 Various Operating Principles of Gas Sensors |
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71 | (11) |
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71 | (1) |
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3.2.1.1 Pellistor sensors |
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71 | (1) |
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3.2.1.2 Thermoelectric sensors |
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72 | (1) |
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3.2.2 Thermal Conductivity Sensors |
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73 | (1) |
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3.2.3 Electrochemical Sensors |
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74 | (1) |
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3.2.3.1 Amperometric sensors |
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74 | (2) |
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3.2.3.2 Potentiometric sensors |
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76 | (1) |
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3.2.3.3 Resistance-based sensors |
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77 | (3) |
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3.2.3.4 Work function-based sensors |
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80 | (2) |
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3.3 Metal Oxide Nanostructures |
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82 | (31) |
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3.3.1 Method of Improving Gas Sensing Performance |
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87 | (1) |
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3.3.1.1 Decorating with nanoparticles of noble metals |
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87 | (3) |
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90 | (6) |
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3.3.1.3 Mixing with carbonaceous nanomaterials |
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96 | (1) |
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3.3.1.4 Constructing heterojunction |
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97 | (16) |
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4 Introduction to Device Fabrication |
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113 | (28) |
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113 | (4) |
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4.2 Fabrication Methodologies |
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117 | (24) |
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118 | (4) |
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4.2.2 Physical Vapor Deposition |
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122 | (3) |
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4.2.3 Chemical Vapor Deposition |
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125 | (5) |
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4.2.4 Hydrothermal Deposition Method |
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130 | (11) |
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5 Gas Sensing Applications and Challenges |
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141 | (22) |
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141 | (4) |
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5.2 Applications of Gas Sensors |
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145 | (5) |
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5.2.1 Environmental Applications |
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146 | (1) |
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5.2.2 Automotive Applications |
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147 | (1) |
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5.2.3 Biomedical Applications |
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148 | (1) |
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5.2.4 Healthcare Applications |
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149 | (1) |
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150 | (13) |
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150 | (1) |
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5.3.2 Challenges and Solutions of Smart Gas Sensing |
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150 | (1) |
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5.3.2.1 Reusability and repeatability |
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151 | (1) |
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5.3.2.2 Miniaturization and circuit integration |
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152 | (1) |
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5.3.2.3 Real-time monitoring |
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153 | (1) |
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5.3.3.3 Wireless gas sensors based on the IoT |
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154 | (9) |
Index |
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163 | |