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Electrohydrodynamic Direct-Writing for Flexible Electronic Manufacturing

:	Zhouping Yin, Yongan Huang, Yongqing Duan, Haitao Zhang
:	Electrohydrodynamic Direct-Writing for Flexible Electronic Manufacturing
:	Springer-Verlag
:	9789811047596
:	1
:	CHF 104.50
:

:	Maschinenbau, Fertigungstechnik
:	English

:	202
:	Wasserzeichen/DRM
:	PC/MAC/eReader/Tablet
:	PDF

This book provides an overview of essential research on and developments in the electrohydrodynamic (EHD) direct-writing technique and its applications. Firstly, it presents mechano- and helix electrospinning methods to achieve direct writing of straight/serpentine micro/nano fibers in high resolution. Secondly, it examines functional inks and multi nozzle arrays for EHD printing, which are used to efficientlyform patterns and devices. Thirdly, the book discusses the various control methods adopted in the context of EHD to improve the controllability of the electrospun fibers. Lastly, it addresses the equipment used in EHD printing and its applications, while also outlining challenges for the field's future development.

Com ining academic and industrial viewpoints, the book provides in-depth information for experienced researchers, as well as a valuable guide for those just entering the field.

Zhouping Yin is a professor in Huazhong University of Science and Technology, Wuhan, China. He received the China National Funds for Distinguished Young Scientists Award in 2006, and he has been a member of the Chang jiang Scholars Program since 2009.

Yongan Huang is a professor in Huazhong University of Science and Technology .

Yongqing Duan is a post-doctor in Huazhong University of Science and Technology

Haitao Zhang is a professor in Huazhong University of Science and Technology.

	Foreword	5
	Acknowledgements	7
	Contents	8
	1 Introduction of Electrohydrodynamic Printing	11
	Abstract	11
	1.1 Background	11
	1.2 EHD Printing	13
	1.2.1 Mechanism and Classification of EHD Printing	14
	1.2.2 EHD Printing System	16
	1.2.3 Development of EHD Direct-Writing	17
	1.2.4 Advantages of EHD Direct-Writing	21
	1.3 Key Technologies for EHD Printing	21
	1.3.1 Printability of Ink	21
	1.3.2 Nozzle	25
	1.3.3 Control Method	27
	1.4 Applications in Flexible Electronics	28
	1.4.1 Printing of Micro/Nano-Structures	28
	1.4.2 Photolithography Mask	31
	1.4.3 Fiber-Based Devices	33
	1.5 Conclusions	34
	References	36
	2 Mechano-electrospinning (MES)	40
	Abstract	40
	2.1 Introduction	40
	2.2 Modeling and Experiments of MES	43
	2.2.1 Theoretical Model	44
	2.2.2 Comparison Between Experimental and Theoretical Results	47
	2.3 Selection of Process Parameters	51
	2.3.1 Experimental Results	51
	2.3.2 Response Surface Methodology	53
	2.4 Fabrication of Micro-structures	58
	2.4.1 Ribbon-Lattice Structure	58
	2.4.2 Dot Structure	62
	2.4.3 Bead-on-String Structure	66
	2.5 Conclusions	71
	References	71
	3 Helix Electrohydrodynamic Printing (HE-Printing)	75
	Abstract	75
	3.1 Introduction	75
	3.2 Coiling Behavior of the Electrospinning Jet	77
	3.2.1 Coiling Phenomenon	77
	3.2.2 Simulations of the Coiling Behavior	78
	3.2.3 Results and Discussion	80
	3.3 Transformation of Patterns	83
	3.3.1 Experimental Results	83
	3.3.2 Transformation Rules Between Different Patterns	86
	3.4 Applications of HE-Printing	91
	3.4.1 Serpentine Structure	91
	3.4.2 Self-similar Structure	92
	3.5 Conclusions	95
	References	95
	4 Inks for EHD Printing	97
	Abstract	97
	4.1 Introduction	97
	4.2 Classification of Inks	99
	4.2.1 Inorganic Inks	99
	4.2.2 Organic Inks	103
	4.2.3 Composite Inks	106
	4.3 Evaluation of Printing Performance	109
	4.3.1 Viscosity	111
	4.3.2 Conductivity/Surface Charge Density	116
	4.3.3 Surface Tension	119
	4.4 Conclusions	120
	References	120
	5 Nozzles for EHD Printing	125
	Abstract	125
	5.1 Introduction	125
	5.1.1 Special Nozzle	126
	5.1.2 Nozzle Array	127
	5.2 Si-Based Planar Nozzle	128
	5.3 Si-Based Protruding Nozzle	131
	5.4 Multi-level Voltage Method for Addressable Printing	134
	5.5 Conclusions	138
	References	139
	6 Control Method for EHD Printing	141
	Abstract	141
	6.1 Introduction	141
	6.2 Electrospinning Sedimentary Microstructure Control	145
	6.2.1 Modeling of Sedimentary Microstructure Control	145
	6.2.2 Stability Analysis of the Microstructure Control System	147
	6.3 Fiber Diameter Control of Electrospinning Processes	152
	6.3.1 Modeling of Fiber Diameter Control	152
	6.3.2 Stability Analysis of Fiber Diameter Control System	156
	6.4 Conclusions	162
	References	163
	7 EHD Equipment and Applications	165
	Abstract	165
	7.1 Introduction of EHD Equipment	165
	7.1.1 Functions	165
	7.1.2 Module Composition	166
	7.2 Stretchable Generator Based on Serpentine Fibers	175
	7.2.1 Experimental Section	175
	7.2.2 Results and Discussion	176
	7.3 Gas Sensor Based on Hierarchical Fibers	181
	7.3.1 Experimental Section	182
	7.3.2 Results and Discussion	184
	7.4 Flexible Small-Channel Thin-Film Transistors	188
	7.4.1 Experimental Section	189
	7.4.2 Results and Discussion	191
	7.4.2.1 Programmable Fabrication of Micro/Nanochannels	192
	7.4.2.2 Performance of Micro/Nanochannel TFT Device	193
	7.4.2.3 Flexible TFT Device	196
	7.5 Conclusions	198
	References	198