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硫化物纳米结构合成、演化及表征研究

摘要第5-7页
ABSTRACT第7-9页
ACKNOWLEDGEMENTS第10-12页
BIOGRAPHICAL PROFILE第12-14页
TABLE OF CONTENTS第14-18页
LIST OF FIGURES第18-21页
LIST OF TABLES第21-22页
Chapter 1 Introduction第22-34页
    1.1 Motivation第22-23页
    1.2 Metal chalcogenides synthesized by hydro/solvothermal route第23-27页
    1.3 Objectives of the thesis第27-28页
    1.4 Structure of thesis第28-30页
    References第30-34页
Chapter 2 Technical Background第34-54页
    2.1 Introduction第34页
    2.2 Categorize of nanomaterials第34-36页
        2.2.1 Carbon Core-Shell nanostructure第35-36页
        2.2.2 Metal chalcogenides第36页
    2.3 Applications of tellurium based metal chalcogenide第36-37页
    2.4 Synthesis approaches第37-39页
    2.5 Hydrothermal and Solvothermal Synthesis method第39-41页
        2.5.1 Factors influencing solvothermal reaction第39页
        2.5.2 Chemical parameters第39-40页
        2.5.3 Thermodynamic limitations第40页
        2.5.4 Reaction involved in synthesis process第40-41页
        2.5.5 Capping agent/surfactant as stabilizer and modifiers第41页
    2.6 Controlling the Aspect Ratio第41-42页
    2.7 Growth mechanisms第42-44页
        2.7.1 Oswald-ripening(OR)第42-43页
        2.7.2 Oriented-attachment Mechanisms(OA)第43-44页
    2.8 Optical limiting properties第44-50页
        2.8.1 Mechanism for optical limiting第45-47页
        2.8.2 Nonlinear Refraction第47-50页
    References第50-54页
Chapter 3 Synthesis approach and instrumentation第54-72页
    3.1 Method of synthesis第54页
    3.2 Hydrothermal synthesis第54-58页
    3.3 Instrumentation第58-71页
        3.3.1 Scanning electron microscope(SEM)第58-60页
        3.3.2 Energy Dispersive X-Ray spectroscopy第60-61页
        3.3.3 Transmission electron microscopy (TEM)第61-64页
        3.3.4 Power X-Ray diffraction第64-68页
        3.3.5 UV-Vis Absorption spectroscopy第68-69页
        3.3.6 Nonlinear optical spectroscopy(z-scan)第69-71页
    References第71-72页
Chapter 4 Exploring the synthesis conditions for Ag_2Te zigzag nanowires第72-86页
    4.1 Introduction第72页
    4.2 Experimental consideration第72-73页
        4.2.1 Materials第72页
        4.2.2 Characterization of zigzag nanowires第72-73页
    4.3 A route to synthesize silver telluride nanostructures第73-75页
        4.3.1 Variation in Synthesis conditions to yield silver telluride nanowires第73-75页
        4.3.2 PVP surfactant assisted growth第75页
    4.4 Chemical modification for zigzag nanowires第75页
    4.5 Results and discussion第75-79页
        4.5.1 Structural Characteristics第75-76页
        4.5.2 Morphology第76-79页
    4.6 Evolution第79-80页
    4.7 Growth mechanism第80-84页
        4.7.1 Surfactant effect第82-84页
    References第84-86页
Chapter 5 Solvothermal carbonization of Ag_2Te & Te/C Nanostructures第86-97页
    5.1 Preamble第86页
    5.2 Experimental considerations第86-87页
        5.2.1 Materials第86页
        5.2.2 Synthesis of Te/C Nanorods第86-87页
        5.2.3 Synthesis of Ag_2Te/C Nanowires第87页
        5.2.4 Etching of Ag_2Te/C Nanowires第87页
    5.3 Results and discussion第87-93页
        5.3.1 Structural characterization第87-89页
        5.3.2 Morphology第89-93页
    5.4 Growth mechanism of core shell nanostructures第93-96页
    References第96-97页
Chapter 6 Nonlinear optical limting measurement第97-107页
    6.1 Optical properties of zigzag silver telluride nanostructures第97-101页
        6.1.1 UV-Vis absorption Spectrum第97-98页
        6.1.2 NLO measurements第98-101页
    6.2 Nonlinear optical properties core shell nanostructure第101-105页
    References第105-107页
Chapter 7 Summary and Outlook第107-110页
    7.1 Dissertation achievements第107-108页
    7.2 Future prospects第108-110页
List of PhD publications第110页

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