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二维过渡金属硫化合物的合成及光学表征

Abstract第11-12页
摘要第13-14页
1 2D-Transition Metal Dichalcogenides第14-30页
    1.1 Introduction第14-16页
    1.2 Crystal structure第16-17页
    1.3 Band Structure and Optical properties第17-19页
    1.4 Optoelectronics第19-21页
    1.5 Synthesis routes to TMDs第21-23页
        1.5.1 Top-down methods第21-22页
        1.5.2 Bottom up methods第22-23页
    1.6 Applications第23-24页
    1.7 Outline of the Thesis第24-26页
    References第26-30页
2 Chemical Vapor Deposition of Transition Metal Dichalcogenides:Growth Mechanism,Controllability and Scalability第30-46页
    2.1 Introduction第30页
    2.2 Routes towards the Successful Growth of TMDs第30-34页
    2.3 Growth Mechanism of TMDs第34-39页
        2.3.1 van der Waals Epitaxial Growth Modes第34-35页
        2.3.2 Substrate Seeding and Substrate Patterning第35-36页
        2.3.3 Reactants Ratio (Transition Metal and Chalcogen)第36-37页
        2.3.4 Kinetic and Thermodynamic Control:Role of Growth Temperature第37-38页
        2.3.5 van der Waals Epitaxial Growth on variety of Substrates第38-39页
    2.4 Expanding Monolayer Growth Mechanism to TMDs Heterostructures第39-42页
        2.4.1 Vertically Stacked 2D Heterostructures第40页
        2.4.2 Laterally Stitched 2D Heterostructure第40-42页
    2.5 Conclusions第42-43页
    References第43-46页
3 Towards Layer-controlled Growth, Shape Evolution and Size Regulation of CVD-WS_2第46-74页
    3.1 Introduction第46-47页
    3.2 Layer-Controlled Growth of WS_2 Single Crystals第47-61页
        3.2.1 Experimental Methods第47-49页
        3.2.2 Growth Mechanism, Optical Contrast and AFM第49-52页
        3.2.3 Optical Characterization第52-55页
            3.2.3.1 Raman Spectroscopy第52-54页
            3.2.3.2 PL Spectroscopy第54-55页
        3.2.4 Transfer of As-grown WS_2第55-56页
        3.2.5 Electrical Characterization第56-61页
    3.3 Shape Evolution of CVD-WS_2 Single Crystals第61-68页
        3.3.1 Origin of Bright and Dark Regions in WS_2 hexagon第65-68页
    3.4 Size Regulation of CVD-WS_2 Single Crystals第68-69页
    3.5 Conclusions第69-71页
    References第71-74页
4 Probing the Intrinsic Optical Quality of CVD Grown MoS_2第74-92页
    4.1 Introduction第74-75页
    4.2 Growth of MoS_2 at Different Growth Temperatures第75-77页
        4.2.1 Experimental Methods第75页
        4.2.2 Growth Mechanism, Optical Microscopy, SEM and AFM第75-77页
    4.3 Optical Characterization第77-84页
        4.3.1 Raman Spectroscopy第77-78页
        4.3.2 Room Temperature PL Spectroscopy第78-81页
        4.3.3 Low Temperature PL Spectroscopy第81-84页
    4.4 Transfer of As-grown MoS_2第84-85页
    4.5 Electrical Characterization第85-87页
    4.6 Conclusions第87-89页
    References第89-92页
5 2D-Heterostructures第92-104页
    5.1 Introduction第92页
    5.2 WS_2-MoS_2 Lateral Heterostructures第92-97页
        5.2.1 Synthesis第92-94页
        5.2.2 Optical Characterization第94-96页
        5.2.3 Electrical Characterization第96-97页
    5.3 Rhenium Disulfide (ReS_2)第97-100页
        5.3.1 Synthesis第97-98页
        5.3.2 Optical Characterization第98-99页
        5.3.3 Electrical Characterization第99-100页
    5.4 ReS_2-MoS_2 Lateral Heterostructures第100-103页
        5.4.1 Synthesis第100页
        5.4.2 Optical Characterization第100-103页
    5.5 Conclusions第103页
    References第103-104页
6 Conclusion and Outlook第104-106页
    6.1 Possible Future Studies第105-106页
List of Publications第106-108页
Acknowledgements第108页

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