臺灣博碩士論文加值系統

摘要i
ABSTRACT iii
Acknowledgements v
List of Tables ix
List of Figures x
Chapter 1 INTRODUCTION 1
1.1 Aims and Objectives 3
Chapter 2 LITERATURE REVIEW 5
2.1 Overview of Nanoparticle 5
2.1.1 Methods for Nanoparticle Synthesis 5
2.1.2 Nanoparticle Crystallisation Challenges 7
2.2 Microfluidics NP Synthesis 13
2.2.1 Batch Method Synthesis Process 14
2.2.2 Microfluidic Synthesis Process 16
2.2.3 Microfluidic Channel Materials and Design 23
2.3 COMSOL simulation of microchannel 30
2.4 Review of photodegradation properties of NP 35
2.4.1 Cuprous oxide (Cu2O) octahedron structures 44
2.4.2 Au@Cu2O octahedron structures 47
Chapter 3 Experimental 53
3.1 Materials and Chemicals 53
3.2 Analytical Instrumentation and Methods 54
3.2.1 Analysis of X-ray diffraction 54
3.2.2 Morphology and Elemental Composition Analysis 55
3.2.3 Ultraviolet-visible (UV-Vis) spectroscopy 55
3.2.4 Photodegradation light source 56
3.3 Experimental method 56
3.3.1 Batch techniques for synthesis nanoparticles 56
3.3.2 Design and Fabrication of the Microfluidic Chip 60
3.3.3 Microfluidic synthesis of nanoparticle 65
3.4 Photodegradation of Methylene blue (MB) 69
3.4.1 Traditional Quartz Photocatalytic Reaction Flask 70
3.4.2 Photocatalytic Chip with Artificial Hole Structures 72
3.4.3 Reaction mechanism of photocatalytic degradation of MB 73
3.5 Numerical study of COMSOL Multiphysics model 76
3.5.1 Simulation Design for Mixing Efficiency in Nanoparticle Synthesis Microfluidic Chip 77
3.5.2 Simulation Design of Particle Tracking in Cross-Section of Artificial Hole Photocatalytic Chip 81
Chapter 4 Result and Discussion 85
4.1 Synthesis of Au tetrahedra Nanoparticles 85
4.2 Synthesis of Cu2O and Au@Cu2O Core-Shell Nanoparticles 94
4.2.1 COMSOL simulation of microchannel mixing effects 94
4.2.2 Microfluidic Synthesis Parameter Database 97
4.2.3 Characterization Results 100
4.3 The effect of photocatalytic degradation of Methylene Blue (MB) 116
4.3.1 Nanoparticle Volume Surface Area and Particle Count per Millilitre 116
4.3.2 Establishment of the Standard Curve 124
4.3.3 Photodegradation Efficiency in Traditional Quartz Photocatalytic Reaction Bottles 125
4.3.4 Photodegradation Efficiency of Artificial Porous Structure Photocatalytic Chips 130
Chapter 5 Conclusions 139
Chapter 6 Future work 142
Reference 144
Supporting Information 160

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