Preface |
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xii | |
1 Introduction |
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1 | (20) |
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1.1 What is Printed Electronics? |
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1 | (10) |
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1.2 The Importance of Developing Printed Electronics |
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11 | (4) |
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1.3 Multidisciplinary Nature of Printed Electronics |
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15 | (2) |
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1.4 Structure and Content of the Book |
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17 | (2) |
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19 | (2) |
2 Organic Printable Electronic Materials |
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21 | (33) |
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21 | (1) |
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2.2 Organic Conductive Materials |
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22 | (5) |
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2.2.1 Characteristics of Organic Conductive Materials |
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22 | (1) |
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2.2.2 History of Organic Conductive Materials |
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23 | (1) |
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23 | (2) |
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2.2.3.1 Structural Conductive Polymer |
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23 | (2) |
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2.2.3.2 Composite Conductive Polymer |
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25 | (1) |
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25 | (2) |
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2.3 Printable Organic Small Molecular Semiconductors |
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27 | (7) |
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2.3.1 Fused Aromatic Compounds |
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28 | (2) |
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2.3.2 Heterocyclic Sulfur Compounds and Oligothiophenes |
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30 | (3) |
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2.3.3 Other Materials with High Mobility |
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33 | (1) |
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2.4 Printable Polymeric Semiconductor |
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34 | (10) |
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2.4.1 P-type Polymer Semiconductors |
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35 | (4) |
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2.4.1.1 Sulfur-containing Heterocyclic Polymeric Semiconductors |
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35 | (2) |
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2.4.1.2 Phenyl-containing Polymeric Semiconductors |
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37 | (2) |
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2.4.1.3 Other p-type Polymeric Semiconductors |
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39 | (1) |
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2.4.2 N-type Polymer Semiconductors |
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39 | (2) |
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2.4.3 Ambipolar Transistor and Related Polymer Materials |
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41 | (2) |
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43 | (1) |
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2.5 Other Printable Organic Electronic Materials |
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44 | (5) |
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2.5.1 Organic Insulating Materials |
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44 | (3) |
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2.5.2 Organic Materials for Sensors |
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47 | (2) |
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49 | (1) |
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49 | (5) |
3 Inorganic Printable Electronic Materials |
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54 | (52) |
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54 | (2) |
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56 | (10) |
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56 | (7) |
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3.2.2 Post-printing Process |
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63 | (1) |
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64 | (2) |
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66 | (6) |
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3.3.1 Transparent Oxide Semiconductor and Conductor |
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66 | (2) |
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3.3.2 Low Temperature Solution Processing |
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68 | (3) |
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3.3.3 Doped Transparent Oxide Nanoparticles |
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71 | (1) |
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3.4 Single-wall Carbon Nanotube |
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72 | (11) |
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3.4.1 Preparation and Selective Chemistry of SWNT |
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72 | (4) |
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3.4.2 Purification of SWNT |
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76 | (1) |
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3.4.3 Metallic SWNT Thin Film |
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77 | (2) |
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3.4.4 Semiconducting SWNT Thin Film |
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79 | (4) |
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83 | (3) |
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3.6 Silicon and Germanium |
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86 | (4) |
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3.7 Metal Chalcogenides Semiconductor and Quantum Dots |
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90 | (2) |
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3.7.1 Metal Chalcogenides Semiconductor |
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90 | (1) |
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90 | (2) |
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3.8 Nanoparticle/Polymer Dielectric Composites |
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92 | (3) |
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95 | (1) |
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96 | (10) |
4 Printing Processes and Equipments |
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106 | (39) |
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106 | (2) |
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108 | (7) |
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108 | (3) |
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4.2.1.1 Working Principles |
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108 | (1) |
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4.2.1.2 Pattern Preparation |
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108 | (2) |
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4.2.1.3 Application in Printed Electronics |
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110 | (1) |
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4.2.2 Aerosol Jet Printing |
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111 | (3) |
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4.2.2.1 Working Principle |
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112 | (1) |
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4.2.2.2 Pattern Preparation |
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112 | (1) |
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4.2.2.3 Advantages and Challenges |
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113 | (1) |
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4.2.3 Electrohydrodynamic Jet Printing |
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114 | (1) |
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4.2.4 Advantages and Disadvantages |
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114 | (1) |
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4.3 Direct Replicate Printing |
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115 | (10) |
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116 | (2) |
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4.3.1.1 Working Principle |
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116 | (1) |
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117 | (1) |
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4.3.1.3 Advantages and Disadvantages |
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118 | (1) |
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118 | (1) |
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118 | (4) |
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4.3.2.1 Principle and System |
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118 | (2) |
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120 | (1) |
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4.3.2.3 Advantages and Disadvantages |
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120 | (1) |
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4.3.2.4 Applications in Printed Electronics |
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121 | (1) |
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4.3.3 Flexographic Printing |
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122 | (3) |
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4.3.3.1 Principle and System |
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122 | (1) |
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123 | (1) |
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4.3.3.3 Advantages and Disadvantages |
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123 | (2) |
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4.3.3.4 Applications in Printed Electronics |
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125 | (1) |
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4.4 Indirect Replicate Printing |
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125 | (4) |
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125 | (1) |
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4.4.2 Gravure Offset Printing |
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126 | (2) |
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128 | (1) |
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4.5 Pre-printing Processes |
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129 | (5) |
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129 | (1) |
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4.5.2 Modification of Surface Energy |
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130 | (1) |
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131 | (1) |
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4.5.4 Embossing and Nanoimprinting |
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131 | (3) |
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4.6 Post-printing Processes |
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134 | (2) |
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134 | (1) |
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135 | (1) |
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135 | (1) |
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136 | (1) |
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137 | (8) |
5 Printed Thin Film Transistors |
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145 | (56) |
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145 | (1) |
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146 | (1) |
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5.3 Working Principles of Transistors |
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147 | (10) |
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5.3.1 Basic Mechanism of MOSFETs |
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147 | (2) |
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5.3.2 Charge Carriers and Carrier Mobility |
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149 | (1) |
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5.3.3 Basic Parameters of TFT |
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149 | (8) |
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5.3.3.1 Effective Mobility |
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149 | (2) |
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5.3.3.2 Operating Voltage |
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151 | (1) |
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5.3.3.3 Device Capacitance |
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151 | (2) |
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5.3.3.4 Threshold Voltage (Vt) |
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153 | (2) |
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5.3.3.5 Subthreshold Swing (SS) |
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155 | (1) |
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5.3.3.6 On/off Current Ratio (Ion/Ioff) |
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155 | (1) |
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156 | (1) |
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5.3.3.8 Transconductance (gm) |
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157 | (1) |
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157 | (1) |
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5.4 Structures and Fabrication of TFTs |
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157 | (15) |
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157 | (2) |
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5.4.2 Characteristics of TFTs |
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159 | (1) |
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5.4.3 Fabrication of TFTs |
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160 | (12) |
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5.4.3.1 Fabrication of Electrodes |
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160 | (3) |
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5.4.3.2 Fabrication of Active Layer |
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163 | (4) |
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5.4.3.3 Fabrication of Dielectric Layers |
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167 | (5) |
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172 | (8) |
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5.5.1 Printability of Electronic Materials |
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172 | (1) |
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5.5.2 Influence of Surface Morphology |
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173 | (1) |
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5.5.3 Interface Effect of Printed TFTs |
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173 | (5) |
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5.5.3.1 Effect of Semiconductor/Dielectric Interface |
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175 | (1) |
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5.5.3.2 Effect of Semiconductor/Semiconductor Interface |
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176 | (1) |
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5.5.3.3 Effect of Semiconductor/Electrode Interface |
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177 | (1) |
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5.5.4 Effect of Channel Length |
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178 | (1) |
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5.5.5 Summary of Issues in Printing TFTs |
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179 | (1) |
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5.5.5.1 Printable Inks and Printing Processes |
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179 | (1) |
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5.5.5.2 Printed Electrodes |
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180 | (1) |
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5.5.5.3 Printed Dielectric Thin Films |
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180 | (1) |
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5.6 Advances in Printed TFTs |
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180 | (9) |
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5.6.1 Printed Inorganic TFTs |
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181 | (6) |
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181 | (1) |
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182 | (2) |
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5.6.1.3 Metal Dichalcogenide and Graphene TFTs |
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184 | (3) |
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5.6.2 Printed Organic TFTs |
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187 | (2) |
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5.7 Basics of Printed Logic Circuits |
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189 | (7) |
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190 | (1) |
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190 | (1) |
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190 | (3) |
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193 | (1) |
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5.7.5 Backplane Driving Circuits for Display |
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194 | (2) |
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196 | (1) |
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197 | (4) |
6 Printed Organic Thin Film Solar Cells |
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201 | (50) |
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201 | (4) |
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6.1.1 Solar Energy and its Utilization |
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201 | (1) |
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6.1.2 Classification of Solar Cells |
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202 | (1) |
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6.1.3 A Brief History of Organic Thin-Film Solar Cells |
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203 | (2) |
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6.2 Working Principles and Characterization of Organic Solar Cells |
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205 | (8) |
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205 | (1) |
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206 | (2) |
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208 | (1) |
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6.2.3.1 I-V Characteristics |
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208 | (1) |
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6.2.3.2 Spectrum Response |
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209 | (1) |
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6.2.4 The Main Factors Influencing Device Performance |
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209 | (4) |
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6.2.4.1 Photon Absorption Ability of Organic Semiconductors |
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210 | (1) |
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6.2.4.2 Energy Level Arrangement of Donor and Acceptor |
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210 | (2) |
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6.2.4.3 Morphology of Photoactive Layer |
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212 | (1) |
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6.3 Materials for Organic Solar Cells |
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213 | (16) |
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6.3.1 Transparent Substrate |
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214 | (1) |
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6.3.2 Transparent Conductive Electrode |
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214 | (4) |
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214 | (1) |
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6.3.2.2 Conductive Polymer Film |
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215 | (1) |
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6.3.2.3 Thin Metal Film and Metal Grid |
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215 | (2) |
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6.3.2.4 Carbon-rich Materials |
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217 | (1) |
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6.3.3 Organic Semiconductor Materials |
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218 | (9) |
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6.3.3.1 p-Type Organic Semiconductors |
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218 | (5) |
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6.3.3.2 n-Type Organic Semiconductors |
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223 | (4) |
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6.3.4 Inorganic Semiconductors |
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227 | (2) |
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6.3.5 Other Functional Materials |
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229 | (1) |
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6.4 Inverted and Tandem Organic Solar Cells |
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229 | (3) |
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6.4.1 Inverted Organic Solar Cells |
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229 | (2) |
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6.4.2 Tandem Organic Solar Cells |
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231 | (1) |
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6.4.3 Inverted Tandem Organic Solar Cells |
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231 | (1) |
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232 | (5) |
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233 | (2) |
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235 | (1) |
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235 | (2) |
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237 | (1) |
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6.5.5 Other Thin Film Deposition Techniques |
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237 | (1) |
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6.6 Roll-to-roll Processing |
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237 | (2) |
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6.7 Printable Perovskite Solar Cells |
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239 | (1) |
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239 | (1) |
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240 | (11) |
7 Printed Organic Light Emission and Display |
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251 | (36) |
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251 | (3) |
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7.1.1 Overview of Lighting and Display |
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252 | (1) |
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7.1.2 Overview of Organic Light Emitting Diodes (OLEDs) |
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253 | (1) |
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7.2 Mechanism of Organic Light Emission |
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254 | (5) |
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7.2.1 Charge Injection and Transport |
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255 | (1) |
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7.2.2 Exciton Formation and Light Emission |
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256 | (1) |
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7.2.3 Characterization of OLED Performance |
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256 | (3) |
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7.2.3.1 Luminous Efficacy |
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256 | (1) |
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7.2.3.2 Quantum Efficiency |
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257 | (1) |
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257 | (1) |
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7.2.3.4 Three Primary Colors |
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258 | (1) |
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7.3 Structures and Materials of OLED |
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259 | (8) |
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7.3.1 Small Molecular OLED |
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259 | (3) |
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7.3.1.1 Typical Structure |
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259 | (1) |
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7.3.1.2 Electrode Materials |
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259 | (1) |
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7.3.1.3 Fabrication Process |
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260 | (2) |
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262 | (1) |
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7.3.3 General OLED Materials |
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262 | (3) |
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7.3.3.1 Charge Injection Materials |
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263 | (1) |
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7.3.3.2 Charge Transport Materials |
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263 | (1) |
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7.3.3.3 Emitter Materials |
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264 | (1) |
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7.3.4 Soluble OLED Materials |
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265 | (2) |
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7.3.4.1 Printable Polymer OLEDs |
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266 | (1) |
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7.3.4.2 Printable Small Molecular OLEDs |
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266 | (1) |
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7.3.4.3 Cross-linking Materials for Printable OLEDs |
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267 | (1) |
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267 | (10) |
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7.4.1 White Light Emission Mechanism |
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267 | (5) |
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7.4.2 Important Parameters |
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272 | (3) |
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272 | (1) |
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7.4.2.2 Efficiency and Light Extraction |
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273 | (2) |
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275 | (1) |
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7.4.3 Investment in OLED Lighting |
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275 | (2) |
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7.5 Fabrication of OLED by Printing |
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277 | (4) |
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7.5.1 Spin and Slot Die Coating |
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277 | (1) |
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278 | (1) |
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278 | (1) |
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7.5.4 Roll-to-roll Printing |
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279 | (1) |
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7.5.5 Current Status of the Printed OLED Industry |
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280 | (1) |
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281 | (1) |
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282 | (5) |
8 Encapsulation Technology for Organic Electronic Devices |
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287 | (29) |
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287 | (1) |
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8.2 Aging of Organic Electronic Devices |
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288 | (3) |
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8.2.1 Characteristics and Mechanisms of Aging |
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288 | (2) |
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8.2.2 Requirements for Organic Electronics Encapsulation |
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290 | (1) |
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8.3 Principle of Encapsulation |
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291 | (5) |
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8.3.1 Water/oxygen Penetration Mechanism through Thin Films |
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291 | (1) |
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8.3.2 Organic/inorganic Multilayer Encapsulation |
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292 | (1) |
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8.3.3 Measurement of Encapsulation Property |
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293 | (3) |
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8.4 Thin-film Encapsulation Technology |
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296 | (11) |
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8.4.1 History of Thin-film Encapsulation |
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297 | (1) |
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8.4.2 Single Layer Thin-film Encapsulation |
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298 | (1) |
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8.4.3 Multilayer Thin-film Encapsulation |
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298 | (2) |
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8.4.4 Barix Thin-film Encapsulation |
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300 | (1) |
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8.4.5 Thin Film Deposition Methods |
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301 | (3) |
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301 | (2) |
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303 | (1) |
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8.4.5.3 Parylene Deposition |
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303 | (1) |
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8.4.6 Flexibility of Encapsulation Thin Film |
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304 | (2) |
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8.4.7 Trends of Thin-film Encapsulation |
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306 | (1) |
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8.5 Applications of Thin-film Encapsulation |
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307 | (6) |
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8.5.1 Encapsulation of Flexible OLED |
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307 | (2) |
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8.5.2 Encapsulation of Flexible OPV |
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309 | (4) |
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313 | (1) |
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314 | (2) |
9 Applications and Future Prospects of Printed Electronics |
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316 | (23) |
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316 | (1) |
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9.2 Application Areas of Printed Electronics |
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317 | (16) |
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9.2.1 Organic Photovoltaic |
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317 | (4) |
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321 | (3) |
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324 | (2) |
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9.2.4 Electronics and Components |
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326 | (5) |
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9.2.5 Integrated Smart Systems |
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331 | (2) |
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9.3 Challenges for Printed Electronics |
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333 | (3) |
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333 | (2) |
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9.3.2 Printing Process and Equipment |
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335 | (1) |
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335 | (1) |
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9.3.4 Design Methodology and Standardization |
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336 | (1) |
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336 | (1) |
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337 | (2) |
Index |
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339 | |