| Abstract | 第8-12页 |
| 摘要 | 第13-20页 |
| Chapter 1 Generalities on Core/Shell Nanocrystals (CSNs) | 第20-56页 |
| 1.1 Introduction | 第20-21页 |
| 1.2 Historical Perspective of Noble Metal Nanoparticles, properties andapplications | 第21-29页 |
| 1.2.1 Gold Nanoparticles (Au NPs) | 第21-24页 |
| 1.2.2 Silver Nanoparticles (Ag NPs) | 第24-28页 |
| 1.2.3 Platinum nanoparticles (Pt NPs) | 第28-29页 |
| 1.3 Synthetic, Characterization Techniques of Core/Shell Nanocrystals | 第29-35页 |
| 1.3.1 Synthesis of Core/Shell Nanocatalysts | 第29-31页 |
| 1.3.2 Seed Mediated Growth | 第31-32页 |
| 1.3.3 Galvanic Replacement Reaction | 第32-33页 |
| 1.3.4 Self-Assembly of Nanoparticles | 第33-35页 |
| 1.4 Wet-Chemical Synthesis of Heterostructured Nanocrystals (HNCs | 第35-44页 |
| 1.4.1 Energy balance underlying Heterostructure formation | 第35-37页 |
| 1.4.2 Heterostructures with Different Core/Sell Geometries | 第37-39页 |
| 1.4.3 Synthesis of Hybrid Lattice-Mismatching Core/Shell Nanocrystals | 第39-44页 |
| 1.5 Characterization Techniques for Core/Shell Nanocrystals | 第44-46页 |
| 1.6 Applications of Core /Shell Nanostructures in Catalysis | 第46-49页 |
| 1.6.1 Pt and Noble metal based core /shell catalysts | 第46-47页 |
| 1.6.2 Pt alloys | 第47-49页 |
| 1.7 Localized Surface Plasmon Resonance (LSPR) and Surface Enhancement Raman Scattering (SERS). | 第49-54页 |
| 1.7.1 Localized Surface Plasmons Resonance | 第49-51页 |
| 1.7.2 Surface Enhancement Raman Spectroscopy (SERS) | 第51-54页 |
| 1.7.2.1 SERS mechanisms | 第51-53页 |
| 1.7.2.2 Single-Molecule and Single-Nanoparticle SERS | 第53-54页 |
| 1.8 The scope of this Dissertation | 第54-56页 |
| Chapter 2 Synthesis of Bimetallic Ag core with Ultrathin Pt shell and their catalyticperformance towards Oxygen Reduction Reaction | 第56-76页 |
| 2.1 Introduction | 第56-58页 |
| 2.2 Experimental section | 第58-61页 |
| 2.2.1 Chemicals and Materials | 第58页 |
| 2.2.2 Synthesis of Highly Monodispersed Ag NPs | 第58-59页 |
| 2.2.3 Silver Coating Procedures | 第59-60页 |
| 2.2.4 Structure and morphology characterization | 第60页 |
| 2.2.5 Electrochemical studies | 第60-61页 |
| 2.3 Results and Discussion | 第61-74页 |
| 2.3.1 Synthesis and structural characterization of Ag@Pt nanoparticle | 第61-71页 |
| 2.3.2 Ag@Pt performance towards ORR | 第71-74页 |
| 2.4 Conclusion | 第74-76页 |
| Chapter 3 Synthesis of Trimetallic Au@Ag@Pt Core/Shell with Ultrathin Pt shell andtheir catalytic performance towards Oxygen Reduction Reaction | 第76-90页 |
| 3.1 Introduction | 第76-79页 |
| 3.2 Experimental section | 第79-83页 |
| 3.2.1 Chemicals and Materials | 第79页 |
| 3.2.2 Synthesis of Monodispersed Au (Core) NPs | 第79-80页 |
| 3.2.3 Synthesis of Au@Ag (inner) shell NPs stabilized by Oleylamine | 第80-81页 |
| 3.2.4 Platinum coating to Synthesis Au@Ag@Pt core/shell/ shell | 第81-82页 |
| 3.2.5 Electrochemical Measurement | 第82-83页 |
| 3.3 Results and discussion | 第83-89页 |
| 3.3.1 Synthesis and structural characterization of Au@Ag@Pt | 第83-87页 |
| 3.3.2 Au@Ag@Pt performance towards ORR | 第87-89页 |
| 3.4 Conclusion | 第89-90页 |
| Chapter 4 Controllable synthesis of Au@Ag core/shell nanocuboids and the Label-freeUltrasensitive Protein Single-point Mutation SERS Detection | 第90-114页 |
| 4.1 Introduction | 第90-93页 |
| 4.2 Experimental section | 第93-98页 |
| 4.2.1 Chemical and reagents | 第93页 |
| 4.2.2 Synthesis of Gold Nanorods (Au NRs) | 第93-94页 |
| 4.2.3 Preparation of growth solution | 第94-95页 |
| 4.2.4 Silver Coating Method | 第95-96页 |
| 4.2.5 SERS measurements | 第96-97页 |
| 4.2.6 SERS Measurement | 第97页 |
| 4.2.7 Finite Element Method (FEM) Simulation | 第97-98页 |
| 4.3 Results and Discussions | 第98-113页 |
| 4.3.1 Structural and morphology characterization nanocuboids | 第98-103页 |
| 4.3.2 Optical absorption of Au@Ag nanocuboids and simulation | 第103-105页 |
| 4.3.3 Functionalization of Au@Ag nanocuboids with Raman spectroscopy, SERS measurements and Biomolecules detection | 第105-113页 |
| 4.3.3.1 Raman activities characterization | 第105-108页 |
| 4.3.3.2 SERS Detection of ultralow concentration of Amyloid proteins | 第108-113页 |
| 4.4 Conclusion | 第113-114页 |
| 5 Summary and Future Perspective | 第114-118页 |
| References | 第118-137页 |
| List of published and submitted papers | 第137-139页 |
| Acknowlegement | 第139-141页 |
| Author's Biography | 第141页 |
