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高可见光活性钙钛矿型纳米氧化物光催化剂的合成及其机制研究

Abstract第6-8页
中文摘要第9-24页
Chapter 1 Introduction第24-40页
    1.1 Research background第24-25页
    1.2 Semiconductor photocatalysis第25-29页
        1.2.1 Basic principles of semiconductor photocatalysis第25-26页
        1.2.2 Mechanism for photocatalytic degradation of pollutant第26-27页
        1.2.3 Mechanism for photocatalytic CO2 reduction第27-29页
    1.3 Wide band gap oxide photocatalysts第29-32页
        1.3.1 TiO2第29-30页
        1.3.2 ZnO第30-32页
    1.4 Narrow band gap oxide photocatalysts第32-36页
        1.4.1 Fe2O_3第32页
        1.4.2 Bi VO4第32-33页
        1.4.3 LaFeO_3第33-36页
    1.5 Topic origin and research contents第36-40页
        1.5.1 Topic origin第36-38页
        1.5.2 Research contents第38-40页
Chapter 2 Experimental section第40-53页
    2.1 Chemical reagents and apparatus第40-44页
        2.1.1 Chemical reagents第40-42页
        2.1.2 Apparatus第42-44页
    2.2 Characterization第44-48页
        2.2.1 X-ray powder diffraction第44页
        2.2.2 UV-vis diffuse reflectance spectroscopy第44页
        2.2.3 Scanning electron microscopy第44页
        2.2.4 Transmission electron microscopy第44页
        2.2.5 Fourier transform infrared spectroscopy第44-45页
        2.2.6 X-ray photoelectron spectroscopy第45页
        2.2.7 Photoluminescence spectroscopy第45-46页
        2.2.8 N2 adsorption-desorption isotherm measurement第46页
        2.2.9 Energy dispersive X-ray spectroscopy第46页
        2.2.10 Steady-state surface photovoltage spectroscopy第46-47页
        2.2.11 Time-resolved surface photovoltage spectroscopy第47-48页
    2.3 Evaluation of photocatalytic activities第48-50页
        2.3.1 Photocatalytic activities for pollutants degradation第48-49页
        2.3.2 Photocatalytic activity for CO2 reduction第49-50页
    2.4 Other measurements第50-53页
        2.4.1 Photoelectrochemical measurement第50-51页
        2.4.2 Measurement of the ·OH amount第51页
        2.4.3 Trapping experiments第51-52页
        2.4.4 Liquid chromatography tandem mass spectrometry第52-53页
Chapter 3 Synthesis of TiO2/LaFe O_3 nanocomposites and its activity第53-74页
    3.1 Introduction第53页
    3.2 Fabrication of TiO2/porous LaFeO_3 nanocomposites第53-54页
    3.3 Results and discussion第54-73页
        3.3.1 Structural characterization and Surface composition第54-58页
        3.3.2 Photogenerated charge properties第58-60页
        3.3.3 Visible-light activities第60页
        3.3.4 Activity enhancement mechanism第60-61页
        3.3.5 Effect of TiO2 coupling on porous BiFeO_3第61-73页
    3.4 Brief summary第73-74页
Chapter 4 Synthesis of TiO2/N-doped porous LaFeO_3 nanocomposites and itsactivity第74-101页
    4.1 Introduction第74-75页
    4.2 Materials synthesis第75-76页
        4.2.1 Ammonia-functionalized carbon nanospheres第75页
        4.2.2 Porous LaFeO_3第75-76页
        4.2.3 N-doped porous LaFeO_3第76页
        4.2.4 TiO2 nanoparticles第76页
        4.2.5 TiO2/N-doped porous LaFeO_3 nanocomposites第76页
    4.3 Results and discussion第76-100页
        4.3.1 Effect of porous structure第76-80页
        4.3.2 Effect of N-doping第80-88页
        4.3.3 Effect of TiO2 coupling第88-92页
        4.3.4 Photodegradation mechanism of 2,4-DCP第92-98页
        4.3.5 Activity enhancement mechanism第98-100页
    4.4 Brief summary第100-101页
Chapter 5 Synthesis of Bi, Zn co-modified porous LaFeO_3 and its activity第101-134页
    5.1 Introduction第101-102页
    5.2 Materials synthesis第102页
        5.2.1 Porous LaFeO_3第102页
        5.2.2 Bi-doped LaFeO_3第102页
        5.2.3 Bi, Zn co-modified porous La FeO_3第102页
    5.3 Results and discussion第102-133页
        5.3.1 Structural characterization and chemical composition第102-111页
        5.3.2 Photogenerated charge properties第111-114页
        5.3.3 Visible-light activities第114-118页
        5.3.4 Photodegradation mechanism of 2,4-DCP第118-130页
        5.3.5 Activity enhancement mechanism第130-133页
    5.4 Brief summary第133-134页
Conclusions第134-135页
结论第135-136页
References第136-150页
Acknowledgements第150-151页
Papers published in the period of Ph.D study第151-152页

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