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ZnO Nanostructures

ZnO Nanostructures

Yue Zhang

(2017)

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Book Details

Abstract

As wide band semiconductors with rich morphologies and interesting electric, optical, mechanical and piezoelectric properties, ZnO nanostructures have great potential in applications, such as strain sensors, UV detectors, blue LED, nano generators, and biosensors.

ZnO Nanostructures: Fabrication and Applications covers the controllable synthesis and property optimization of ZnO nanostructures through to the preparation and performance of nanodevices for various applications. The book also includes recent progress in property modulation of ZnO nanomaterials and new types of devices as well as the latest research on self-powered devices and performance modulation of ZnO nanodevices by multi-field coupled effects.

Authored by a leading researcher working within the field, this volume is applicable for those working in nanostructure fabrication and device application in industry and academia and is appropriate from advanced undergraduate level upwards.


Professor Zhang has been awarded the titles of “State outstanding young scientist“ of China, ”Crosscentury excellent talent“ of the ministry of education, first scientist of state “major scientific research project”. He was awarded the first class Award 7 times and second class award 6 times from the Beijing Municipal Government and the ministry of education. He is the head of the discipline review board of material science and technology for the State Council, member of the expert review group of the National Science Foundation of China. Professor Zhang is also on the editorial board of more than 10 academic journals, such as Journal of Nano Research and Science China Materials. He has conducted more than 40 research national and provincial programs, and published over 350 SCI cited papers, many with high citation records. He has organized international six conferences, chaired more than 20 international conferences, and presented more than 40 invited talks.

Table of Contents

Section Title Page Action Price
Cover Cover
Preface vii
Contents ix
Chapter 1 Overview 1
1.1 Introduction of Nanomaterials 1
1.2 Introduction of ZnO Nanomaterials 3
References 5
Chapter 2 Designing and Controllable Fabrication 8
2.1 Vapour Phase Deposition Methods 8
2.1.1 Chemical Vapour Deposition by Thermal Evaporation 9
2.1.2 Thermal Evaporation Chemical Vapour Deposition with Carbothermal Reduction 17
2.1.3 Metal-organic Chemical Vapour Deposition 20
2.1.4 Thermal Evaporation Physical Vapour Deposition 21
2.1.5 Pulsed Laser Deposition 23
2.1.6 Molecular Beam Epitaxy 24
2.1.7 Magnetron Sputtering 25
2.2 Liquid-phase Reaction Methods 26
2.2.1 Liquid-phase Direct Reaction Method 27
2.2.2 Electrochemical Deposition 33
2.2.3 Template Method 34
2.2.4 Sol-gel Method 35
2.3 Patterned Growth of ZnO Nanostructures 38
References 48
Chapter 3 Property Characterisation and Optimisation 60
3.1 Electronic Properties 60
3.1.1 Electronic Structure 60
3.1.2 Electronic Structure Modulation 61
3.1.3 Influence of Defects 65
3.2 Electrical Properties 70
3.2.1 Electrical Transport Properties 71
3.2.2 Ohmic and Schottky Contacts 78
3.3 Magnetic Properties 83
3.4 Mechanical Properties 85
3.4.1 Elastic Properties 85
3.4.2 High-pressure Induced Phase Transition 89
3.5 Optical Properties 90
3.5.1 Photoluminescence 90
3.5.2 Stimulated Emission and Waveguide Properties 93
3.5.3 Non-linear Optical Properties 96
3.6 Piezoelectric and Dielectric Properties 96
3.6.1 Origin of Piezoelectricity in ZnO 96
3.6.2 Piezoresponse Force Microscopy 98
3.6.3 Piezoelectric Property Enhancement 100
3.6.4 Dielectric Properties 102
3.7 Photocatalytic Properties of ZnO Nanostructures 103
References 107
Chapter 4 Electromechanical Devices 124
4.1 Individual Nanostructure-based Electromechanical Devices 124
4.1.1 Individual Nanowire-based Mess Sensor 124
4.1.2 Individual Nanostructure-based Strain Sensor 125
4.1.3 Individual Doped Nanostructure-based Strain Sensors 129
4.2 Nanowire Array-based Electromechanical Devices 133
4.2.1 Nanowire Network-based Strain Sensors 133
4.2.2 Nanowire Array-based Vibration Sensors 134
4.2.3 Nanowire Array-based Pressure Sensor 136
4.3 Hybrid Structure-based Electromechanical Devices 137
4.3.1 Carbon Fibre/ZnO Nanowire Array-based Flexible Strain Sensors 140
4.3.2 PU Fibre/ZnO Nanowire Array-based Multifunctional Strain Sensor 142
References 143
Chapter 5 Photoelectrical Devices 146
5.1 Light-emitting Diodes 146
5.1.1 Homojunction LED 147
5.1.2 p-n Heterojunction LED 148
5.1.3 MIS Heterojunction LED 153
5.2 UV Detectors 153
5.2.1 UV Detectors Based on a Single ZnO Nanowire 155
5.2.2 UV Detectors Based on ZnO Nanowire Arrays 158
5.2.3 UV Detectors Based on a Graphene/ZnO Hybrid 162
5.3 Solar Cells 164
5.3.1 Dye Sensitised Solar Cells 164
5.3.2 Perovskite Solar Cells 167
References 169
Chapter 6 Photoelectrochemical Devices 175
6.1 Introduction 175
6.2 PEC Principles 176
6.3 PEC Performance Optimisation 177
6.3.1 Light Absorption 178
6.3.2 Charge Separation Efficiency 182
6.3.3 Photo-stability 188
References 190
Chapter 7 Biosensing Devices 194
7.1 Electrochemical Biosensors 194
7.2 FET-based Biosensors 201
7.3 HEMT-based Biosensors 205
References 210
Chapter 8 Self-powered Devices 213
8.1 ZnO Nanostructure-based Self-powered Photodetectors 213
8.1.1 Schottky Junction SP Photodetectors 213
8.1.2 p-n Junction Self-powered Photodetectors 217
8.1.3 Solid–Liquid Junction Self-powered Photodetector 219
8.1.4 Piezotronic Engineering for Self-powered Photodetector Optimisation 220
8.2 PEC Biosensing 226
References 230
Chapter 9 Service Behaviours 233
9.1 Introduction 233
9.2 Electrical Nanodamage and Nanofailure 234
9.3 Mechanical Nanodamage and Nanofailure 239
9.4 Electromechanical Nanodamage and Nanofailure 248
9.5 Chemical-Mechanical Hybrid Nanodamage and Nanofailure 250
References 255
Chapter 10 Field Emission and Electromagnetic Wave Absorption 258
10.1 Field Emission Properties and Applications 258
10.1.1 Field Emission Properties of Large Area Nanowires 259
10.1.2 Field Emission Properties of Single NWs 263
10.1.3 High Intensity Field Emission 265
10.1.4 Influencing Factors of Field Emission Properties 267
10.2 Electromagnetic Wave Absorption Properties and Applications 270
10.2.1 Absorption Properties of T-ZnO/Epoxy Resin Coatings 273
10.2.2 Absorption Properties of T-ZnO/Carbon Nanostructure Coatings 276
10.2.3 Absorption Properties of 3D ZnO Network Structures 281
References 284
Subject Index 287