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半导体金属氧化物异质结构的制备及其在气体传感器中的应用研究

摘要第5-7页
Abstract第7-9页
Chapter 1 Introduction第14-20页
    1.1 Introduction to Internet of Things第14-17页
    1.2 Research Objectives第17页
    1.3 Scope of Research第17-18页
    1.4 Organization of Thesis第18-20页
Chapter 2 Literature Review第20-65页
    2.1 Introduction第20-21页
    2.2 Oxide semiconductor nanomaterials第21-36页
        2.2.1 Overview of development第21-24页
        2.2.2 Zinc tin oxide (ZTO)第24-30页
        2.2.3 Nickel oxide (NiO) nanomaterials第30-33页
        2.2.4 Hematite (α-Fe_2O_3) nanomaterials第33-35页
        2.2.5 Doping of elements第35-36页
    2.3 Gas sensor第36-65页
        2.3.1 Overview of development第36-39页
        2.3.2 Gas sensitive material第39-57页
        2.3.3 Gas Sensing Mechanism第57-61页
        2.3.4 Working principle of device Structure第61-63页
        2.3.5 Summary of Literature第63-65页
Chapter 3 Experimental Methods第65-78页
    3.1 Chemical Reagents第65-66页
    3.2 Experimental instrument第66-67页
    3.3 Material preparation method第67-69页
        3.3.1 Electrospinning method第67-68页
        3.3.2 Hydrothermal method第68-69页
    3.4 Material Characterization method第69-73页
        3.4.1 Materials Phase analysis第69-70页
        3.4.2 Material Shape analysis第70-71页
        3.4.3 Material Structure analysis第71页
        3.4.4 Materials composition analysis第71-72页
        3.4.5 Material Physical properties analysis第72-73页
    3.5 Gas sensing performance test第73-78页
        3.5.1 Preparation of gas sensor第73-74页
        3.5.2 Gas sensing testing platform第74-75页
        3.5.3 Static gas distribution第75-76页
        3.5.4 Gas sensing test operation第76-78页
Chapter 4 A two-step synthesis of nanosheet-covered fibers based on α-Fe_2O_3/NiOcomposites towards enhanced acetone sensing第78-99页
    4.1 Introduction第78-79页
    4.2 Experiment第79-81页
        4.2.1 Preparation of the electrospum NiO nanofibers第79-80页
        4.2.2 Hydrothermal growth of α-Fe_2O_3 nanosheet on the NiO fibers第80页
        4.2.3 Characterization第80-81页
        4.2.4 Gas-sensors fabrication and measurement第81页
    4.3 Results and Discussion第81-98页
        4.3.1 Structural, compositional and morphological characteristics第81-89页
        4.3.2 Gas-sensing properties第89-94页
        4.3.3 Gas-sensing mechanism第94-98页
    4.4 Conclusion第98-99页
Chapter 5 A two-step synthesis of microsphere-decorated fibers based onNiO/ZnSnO_3 composites towards superior ethanol sensitivity performance第99-119页
    5.1 Introduction第99-101页
    5.2 Experiment第101-102页
        5.2.1 Preparation of the electrospum ZnSnO_3 nanofibers第101页
        5.2.2 Synthesis of NiO microspheres第101页
        5.2.3 Hydrothermal growth of NiO microspheres on the ZnSnO_3 fibers第101-102页
        5.2.4 Characterization第102页
        5.2.5 Gas-sensors fabrication and measurement第102页
    5.3 Results and Discussion第102-118页
        5.3.1 Structural, compositional and morphological characteristics第102-108页
        5.3.2 Gas-sensing characteristics第108-114页
        5.3.3 Mechanism of enhanced gas-sensing第114-118页
    5.4 Conclusion第118-119页
Chapter 6 Humidity sensor based on mesoporous Al-doped NiO ultralongnanowires with enhanced ethanol sensing performance第119-139页
    6.1 Introduction第119-121页
    6.2 Experiment第121-122页
        6.2.1 Synthesis of Al-doped NiO nanowires第121页
        6.2.2 Characterization第121-122页
        6.2.3 Gas-sensors fabrication and measurement第122页
    6.3 Results and Discussion第122-137页
        6.3.1 Structural, compositional and morphological characteristics第122-128页
        6.3.2 Gas-sensing characteristics第128-134页
        6.3.3 Mechanism of enhanced gas-sensing第134-137页
    6.4 Conclusion第137-139页
Chapter 7 Conclusion and Prospect第139-143页
    7.1 Full text summary第139-140页
    7.2 Main innovations第140-141页
    7.3 Prospects of Future work第141-143页
References第143-174页
Acknowledgement第174-175页
Resume第175-176页
Regular Publications第176页

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