Chapter Ⅰ introduction and literature reviews
1.1 Introduction
1.2 Overview of Photocatalytic Reaction Research
1.2.1 Principles of Photocatalysis
1.2.2 Catalyst Structure
1.2.3 Photocatalytic reaction mechanism
1.2.4 Semiconductor-type photocatalysts
1.2.5 Niobium oxides Photocatalyst
1.2.6 Modification of Nb2O5 for harvesting visible light
1.2.7 Photocatalytic Applications
1.2.8 Present status and issues
1.3 The Aims of my research
1.4 Dissertation outlines
Chapter Ⅱ Design and characterization techniques for Nb2O5 toward visible light response
2.1 Morphologies and surface areas of Nb2O5 crystals
2.2 Band-gap change
2.3 Characterization Techniques
2.3.1 X-Ray Diffraction
2.3.2 Electron microscope (EM)
2.3.3 X-Ray Photoelectron Spectroscopy (XPS)
2.3.4 Ultraviolet-visible diffuse reflectance spectroscopy
2.3.5 Brunauere-Emmette-Teller (BET)
2.3.6 Fourier-transform infrared spectroscopy (FT-IR)
Chapter Ⅲ Preparation and characterization of visible light excited photocatalysts from Nb2O5
3.1 Experimental Materials
3.2 Experimental Apparatus
3.3 Preparation of C, N co-modified Nb2O5 nanowires
3.4 Physical and chemical properties of as prepared photocatalysis
3.4.1 Morphology and structure characterization
3.4.2 Synthesis processes
3.5 Optical and photo electrochemical properties of C, N co-modified Nb2O5
3.6 XPS analysis
Chapter Ⅳ Photocatalytic performance in RhB degradation
4.1 Experimental Materials
4.2 Experimental Apparatus
4.3 Photocatalytic activity experiment
4.4 Results and Discussion
4.4.1 Photocatalytic performance
4.4.2 Photodegradation for RhB over C, N co-modified Nb2O5 nanowires after calcination at different temperature
4.4.3 Stability of the catalyst
4.4.4 Mechanism of the photocatalysis of C, N co-modified Nb2O5
Chapter Ⅴ Conclusion
参考文献
Published Papers and joined Scientific Researches
Published Papers
致谢
