Multifunctional materials for hybrid energy harvesters and self-powered sensors
- Title
- Multifunctional materials for hybrid energy harvesters and self-powered sensors
- Alternative Title
- 혼합 에너지 하베스터와 자가 발전 센서를 위한 다기능 물질 연구
- Author(s)
- Hajra Sugato
- DGIST Authors
- Hajra Sugato ; Hoe Joon Kim ; Sanghoon Lee
- Advisor
- 김회준
- Co-Advisor(s)
- Sanghoon Lee
- Issued Date
- 2024
- Awarded Date
- 2024-02-01
- Type
- Thesis
- Description
- Nanogenerator;Mechanoluminescence;Triboelectric;Piezoelectric
- Table Of Contents
-
Chapter I 1
Introduction 1
1.1 Background 1
1.2 Importance of Research 2
1.3 Types of Energy Harvesting Devices 4
1.3.1 Piezoelectric Nanogenerator 4
1.3.2 Triboelectric Nanogenerator 5
1.3.3 Mechanoluminescent Device 5
1.4 Need for hybrid generator 6
1.5 Self-Powered applications using nanogenerators 7
1.6 Materials investigated for development of nanogenerators 8
1.6.1 Multiferroics 8
1.6.2 Perovskites 9
1.6.3 Metal Organic Framework 9
1.6.4 Covalent Organic Framework 10
1.6.5 Luminescent Phosphor 10
1.7 Objective and scope of this thesis 12
1.8 References 15
CHAPTER II 16
Materials, Method and Experimental Techniques 16
2.1 Chemical and Apparatus 16
2.2 Synthesis Methodologies 16
2.2.1 Solid State Reaction 16
2.2.2 Solvent assisted Synthesis 17
2.2.3 Ultrasonication 17
2.2.4 Reticular Chemistry 18
2.3 Experimental Techniques 18
2.3.1 X-ray diffractometer 19
2.3.2 X-ray photoelectron spectrometer 19
2.3.3 X-ray tomography 20
2.3.4 Scanning electron microscope 20
2.3.5 Raman spectrometer 21
2.3.6 Fourier transform-infrared spectrometer 21
2.3.7 Universal testing machine 22
2.3.8 Atomic force microscopy/ Kelvin probe force microscope 22
2.3.9 Ferroelectric loop tester 23
2.3.10 Physical property measurement system 23
2.3.11 BET 23
2.3.12 Impedance analyzer 24
2.3.13 Thermogravimetric Analysis 24
2.3.14 Spectroradiometer 25
2.4 Device Fabrication 25
2.4.1 Piezoelectric Nanogenerator 25
2.4.2 Triboelectric Nanogenerator 26
2.4.3 Hybrid Nanogenerator 26
2.5 Electrical Characterizations 26
2.5.1 Electrical output measurements 26
2.6 Calculation of electrical parameters 27
2.6.1 Power Density 27
2.6.2 Spontaneous Polarization 27
2.6.3 TENG output 27
2.7 References 28
CHAPTER III 29
Piezoelectric nanogenerator based on flexible PDMS–BiMgFeCeO6 composites for sound detection and biomechanical energy harvesting 29
3.1 Introduction 31
3.2 Synthesis and Experimental Details 33
3.2.1 Synthesis of BMFCO 33
3.2.2 Fabrication of Piezoelectric nanogenerator 34
3.2.3 Experimental Details 34
3.3 Results and Discussion 35
3.4. Conclusion 46
3.5 References 47
CHAPTER IV 51
Lead-free and Flexible Piezoelectric Nanogenerator based on CaBi4Ti4O15 Aurivillius Oxides/ PDMS Composites for Efficient Biomechanical Energy Harvesting 51
4.1 Introduction 53
4.2 Experimental details 56
4.2.1 Synthesis of CaBi4Ti4O15 (CBTO) 56
4.2.2 Synthesis of CBTO/PDMS CFs and fabrication of A-PENG 56
4.2.3 Characterization and measurements 57
4.3 Results and Discussions 58
4.4 Conclusion 64
4.5 References 66
CHAPTER V 69
A green Metal-Organic Framework- Cyclodextrin MOF: A novel multifunctional material based triboelectric nanogenerator for highly efficient mechanical energy harvesting 69
5.1 Introduction 71
5.2 Synthesis and Experimental Techniques 74
5.2.1 Synthesis of CD-MOF 74
5.2.2 Fabrication of the Z-shaped TENG device 74
5.2.3 Experimental Techniques 75
5.3 Results and Discussion 75
5.4 Conclusions 89
5.5 References 90
CHAPTER VI 94
Significant effect of synthesis methodologies of metal-organic frameworks upon the additively manufactured dual-mode triboelectric nanogenerator towards self-powered applications 94
6.1 Introduction 96
6.2 Synthesis techniques and Experimental details 99
6.2.1 Synthesis of ZIF-8 powders 99
6.2.2 Experimental Techniques 100
6.3 Results and Discussions 101
6.4. Conclusions 116
6.5 References 117
CHAPTER VII 120
Triazine skeletal covalent organic frameworks: A versatile highly positive surface potential triboelectric layer for energy harvesting and self-powered applications 120
7.1 Introduction 122
7.2 Synthesis and Experimental Techniques 124
7.3 Results and Discussions 125
7.4. Conclusions 138
7.5 References 139
CHAPTER VIII 143
Lead-free Flexible Bismuth Titanate-PDMS Composites: A Multifunctional Colossal Dielectric Material for Hybrid Piezo-Triboelectric Nanogenerator to Sustainably Power Portable Electronics 143
8.1. Introduction 145
8.2. Processing and experimental Techniques 148
8.2.1 Synthesis of bismuth titanate particles and composite films 148
8.2.2 Fabrication of individual PENG, TENG, and HNG nanogenerator 149
8.2.3 Experimental Techniques 149
8.3. Results and Discussions 151
8.4 Conclusion 167
8.5 References 168
CHAPTER IX 172
Unleashing the potential of morphotropic phase boundary based hybrid triboelectric-piezoelectric nanogenerator 172
9.1 Introduction 174
9.2 Synthesis and Experimental details 177
9.3 Results and Discussions 179
9.4 Conclusion 198
9.5 References 199
CHAPTER X 204
Flexible composite material for self-powered applications via triboelectricity and mechanoluminescence: PDMS/ZnS:Cu composites 204
10.1 Introduction 206
10.2 Synthesis and Experimental Technique 209
10.3 Results and Discussions 211
10.4 Conclusions 222
10.5 References 223
Chapter XI 227
Summary and Future Perspective 227
11.1 Summary 227
11.2 Suggestions for future improvement 233
요약문 235
Appendix A: List of Publications 241
Appendix B: List of Conference 250
Appendix C: List of Cover Page 251
- URI
-
http://hdl.handle.net/20.500.11750/48015
http://dgist.dcollection.net/common/orgView/200000724623
- Degree
- Doctor
- Publisher
- DGIST
- Related Researcher
-
-
Kim, Hoe Joon
- Research Interests MEMS/NEMS; Micro/Nano Sensors; Piezoelectric Devices; Nanomaterials; Heat Transfer; Atomic Force Microscope
-
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- Department of Robotics and Mechatronics Engineering Theses Ph.D.
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