Microwave-assisted solvothermal synthesis and thermoelectric properties of Sb2Te3/Graphenehybridcomposite

목차 (Table of Contents)

• Chapter 1 Introduction 1
• 1.1 Background 1
• 1.1.1 Thermoelectric principle 2
• 1.1.2 Thermoelectric effect in nano-scale 3
• 1.2 Discovery and Motivation 4
• 1.2.1 Graphene and Sb2Te3 thermoelectric materials 4
• 1.2.2 Phonon-glass electron-crystal heterostructure bilayer, composed of graphene and Sb2Te3 film 5
• 1.3 Outline of masters thesis 10
• 1.3.1 Interface formation in graphene- Sb2Te3 heterostructures 10
• 1.3.2 Future work 15
• Chapter 2 Synthesis Sb2Te3 nanoplates 17
• 2.1 Introduction 17
• 2.2 Experimental details 18
• 2.2.1 Materials 18
• 2.2.2 Preparation 18
• 2.2.3 Characterization 21
• 2.3 Results and discussion 21
• Chapter 3 Synthesis Graphene-Sb2Te3 hybrid composite 28
• 3.1 Introduction 28
• 3.2 Experimental details 29
• 3.2.1 Preparation of Sb2Te3/CVD graphite film and Sb2Te3/expanded graphite powder 29
• 3.2.2 Characterization 32
• 3.3 Results and discussion 32
• 3.3.1 Characterization of Sb2Te3-CVD graphite film 32
• 3.3.2 Characterization of Sb2Te3-expanded graphite powder 37
• Chapter 4 Thermoelectric properties of Sb2Te3 nanoplates and Sb2Te3-Expanded graphite hybrid composite 44
• 4.1 Introduction 44
• 4.2 Experimental details 45
• 4.2.1 Preparation of bulk pellet 45
• 4.2.2 Characterization 45
• 4.3 Results and discussion 48
• Chapter 5 Summary and future work 54
• *Reference 55