声明
摘要
Abstract
CONTENTS
List of Figures and Tables
List of Abbreviations and Symbols
1 General Introduction
1.1 Zinc Oxide
1.1.1 Material Properties of ZnO
1.1.2 Crystal Structures of ZnO
1.2 ZnO Nanowires
1.2.1 Nanomaterials
1.2.2 Synthesis Techniques for ZnO Nanowires
1.3 Photocatalytic Application of ZnO Nanowires
1.3.1 Development of Semiconductor Photocatalysis
1.3.2 Photocatalytic Principle of ZnO Nanomaterials
1.3.3 ZnO Nanowires for Photocatalysis
1.4 Photovoltaic Application of ZnO Nanowires
1.4.1 History of Semiconductor Photovoltaics
1.4.2 Photovoltaic Principle and Characterization of DSSCs
1.4.3 ZnO Nanowire-Based DSSCS
1.5 Research Background and Motivation
1.6 Research Objectives
2 Controllable Hydrothermal Synthesis of ZnO Nanowire Arrays
2.1 Introduction
2.1.1 Selective Growth of ZnO Nanowires
2.1.2 Photolithographic Technique
2.1.3 Motivalion
2.2 Experimental Section
2.2.1 Materials
2.2.2 Synthesis of ZnO Nanowires
2.2.3 Characterization
2.3 Results and Discussion
2.3.1 Structure and Properties of ZnO Seed Layer
2.3.2 Effect of Ammonia on the Growlh of ZnO Nanowires
2.3.3 Effect of PEI on the Growth of ZnO Nanowires
2.3.4 Effect of Growth Duration On the Synthesis of ZnO Nanowires
2.3.5 Patterned Growth of ZnO Nanowire Arrays
2.4 Conclusion
3 Microfluidic Reactors Integrated with ZnO Nanowires for Photocatalysis
3.1 Introduction
3.1.1 Photocatalytic Reactors
3.1.2 Microfluidics and Soft Lithography
3.1.3 Motivation
3.2 Experimental Section
3.2.1 Materials
3.2.2 Synthesis of ZnO Nanowires on Glass
3.2.3 Integration of ZnO Nanowires into Microfluidic Device
3.2.4 Photodegradation of Methylene Blue
3.2.5 Characterization
3.3 Results and Discussion
3.3.1 Characterization of ZnO Nanowires
3.3.2 Evaluation of Photocatalytic Activity
3.4 Conclusion
4 Pd-Doped ZnO Nanofibers for Enhanced Photocatalysis
4.1 Introduction
4.1.1 The Electrospinning Technique
4.1.2 Doped ZnO Nanofibers for Photocatalysis
4.1.3 Motivation
4.2 Experimental Section
4.2.1.Materials
4.2.2 Fabrication of Pd-Doped ZnO Nanofibers
4.2.3 Photodegradation of Methylene Blue
4.2.4 Charaderization
4.3 Results and Discussion
4.3.1 SEM Analysis
4.3.2 TEMAnalysis
4.3.3 FTIR Analysis
4.3.4 Crystallography Analysis
4.3.5 Evaluation of Photocatalytic Activity
4.4 Conclusion
5 ZnO Nanowire-Based DSSCs Integrated with Microfluidic Electrolyte
5.1 Introduction
5.1.1 Factors Limiting the Photovoltaic Performance of DSSCs
5.1.2 Electrolyte and Redox Couple
5.1.3 Motivation
5.2 Experimental Section
5.2.1 Materials
5.2.2 Fabrication and Sensitization of ZnO Nanowires on FTO Glass
5.2.3 Assembly of DSSCs
5.2.4 Characterization
5.3 Results and Discussion
5.3.1 Characterization of ZnO Nanowires
5.3.2 Effect of ZnO Nanowire Morphology on Solar Cell Performance
5.3.3 Effect of Microfluidic Electrolyte on Solar Cell Performance
5.4 Conclusion
6 Summary and Perspective
6.1 Conclusion of Dissertation
6.2 Future Work
创新点摘要
References
攻读博士学位期间科研项目及科研成果
Acknowledgements
作者简介