LOW DIMENSIONAL SILVER NANOSTRUCTURES AND ITS COMPOSITE

Chapter 1Introduction 1.1Silver nanoparticles 1.1.1Synthesis methods 1.1.2Growth mechanism 1.2Silver thin film 1.3Noble metal nanoparticle doped composites 1.4Functional properties and application of silver nanoparticles 1.4.1Optical properties 1.4.2Sensing application 1.4.3Other potential application Chapter 2Silver Spherical Nanoparticles and Their Thin Film 2.1Introduction 2.2Experiment section 2.2.1Chemicals 2.2.2Synthesis 2.2.3Characterization 2.3Results and discussion 2.3.1Nucleation and growth of silver nanoparticles 2.3.2Microstructure of spherical nanoparticles 2.3.3Effect of experimental parameters 2.3.4Forming silver spherical nanoparticles on different substrate surfaces 2.3.5Explore further coating procedures to form nanoshell structures 2.3.6Superhydrophobic surfaces 2.4Summary Chapter 3Silver Nanowires 3.1Introduction 3.2Experiment section 3.2.1Chemicals 3.2.2Method 3.2.3Detection of Hg2 3.2.4Characterization 3.3Results and discussion 3.3.1Morphology, structure, and composition of silver nanowires 3.3.2Effect of experimental parameters 3.3.3Growth mechanism of V-shaped silver nanowires 3.3.4Sensing detection of Hg2 3.4Summary Chapter 4Silver Nanoplates 4.1Introduction 4.2Experiment section 4.2.1Chemicals 4.2.2Method 4.2.3Characterization 4.3Results and discussion 4.3.1The role of crystalline seed structure 4.3.2The effect of temperature 4.4Summary Chapter 5Silver Micro-nanostructure and Its Alloy 5.1Introduction 5.2Experiment section 5.2.1Chemicals 5.2.2Synthesis of Ag micro-scale nanoparticles 5.2.3Synthesis of Ag-Au/Pt/Pd alloy 5.2.4Preparation of TiO2@Ag and Ag alloy composite nanoparticles 5.2.5Prepare partial oxidation of methanol reaction 5.2.6Characterizations 5.3Results and discussion 5.3.1Morphology, structure and composition of silver micro-scalenanosphere 5.3.2Effect of experimental parameters 5.3.3Ag and Au/Pt/Pd alloy 5.3.4Photocatalytic performance of Ag, Ag-Pt alloy and Ag-Pd alloy 5.3.5Catalytic activity 5.4Summary Chapter 6Silver/Gold @ SiO2 Composite Materials 6.1Introduction 6.2Experimental section 6.2.1Synthesis of silica nanoparticles 6.2.2The Hexylamine synthesis method for fabrication of silica-coated silver/gold nanoparticles 6.2.3The Glutathione method fabrication of silica-coated goldnano particles 6.2.4Characterizations 6.3Results and discussion 6.3.1Preparation of silica nanoparticles 6.3.2The fabrication of silica-coated silver/gold nanoparticles 6.3.3The Glutathione method fabrication of silica-coated gold nanoparticles 6.4Summary Chapter 7Conclusions and Future Work 7.1Silver spherical nanoparticles 7.2Silver nanowires 7.3Silver nanoplates 7.4Silver micro-nanostructure and its alloy 7.5Silver/Gold @ SiO2 composite materials 7.6Future work References