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5.2.1¡¡ZnO¡ÃEu3 ÄÉÃ×¾§µÄ·¢¹â»úÖÆ¡¡/¡¡ 86 5.2.2¡¡ÍË»ðζȶÔÄÉÃ×¾§ZnO¡ÃEu3 ·¢¹âÐÔÖʵÄÓ°Ïì¡¡/¡¡ 91 5.3¡¡Ï¡ÍÁÀë×ÓTb3 ²ôÔÓµÄÄÉÃ×ZnO ·¢¹â»úÖÆ¡¡/¡¡ 95 5.3.1¡¡ZnO¡ÃTb3 ÄÉÃ×¾§µÄ·¢¹â»úÖÆ¡¡/¡¡ 95 5.3.2¡¡ÍË»ðζȶÔÄÉÃ×¾§ZnO¡ÃTb3 ·¢¹âÐÔÖʵÄÓ°Ïì¡¡/¡¡ 99 5.3.3¡¡Ï¡ÍÁÀë×Ó²ôÔÓŨ¶È¶ÔÄÉÃ×¾§ZnO¡ÃTb3 ·¢¹âÐÔÖʵÄÓ°Ïì¡¡/¡¡ 103 Ë÷¡¡Òý¡¡/¡¡ 110 ºó¡¡¼Ç¡¡/¡¡ 115 µÚ4 Õ µÚ5 Õ 4 Chapter 1 Luminescent Nanomaterials / 1 1.1 Emission and Excitation / 1 1.1.1 Luminescence and Luminescent Center / 1 1.1.2 Excitation and Luminescence Efficiency / 4 1.1.3 Luminescent Materials / 6 1.2 Luminescent Spectrum / 6 1.2.1 Emission Spectrum / 7 1.2.2 Absorption Spectrum / 8 1.2.3 Excitation Spectrum / 9 1.2.4 X-ray Diffraction Spectrum / 11 1.3 Properties of Nanomaterials / 12 1.3.1 Surface Effect / 14 1.3.2 Quantum Confinement Effect / 15 1.3.3 Quantum Tunneling Effect / 15 1.3.4 Quantum Size Effect / 16 1.3.5 Brus Formula for Absorption Band Gap ofNano-semiconductor / 16 Chapter 2 ZnO Crystal Structures and Electron Structures of RE3 CONTENTS 5Rare Earth Ions / 19 2.1 ZnO Crystal structures and physicochemical properties / 19 2.1.1 Crystal structures of ZnO / 19 2.1.2 The physical and chemical properties of ZnO / 21 2.2 The features of RE3 rare earth ions / 24 2.2.1 Electron structures of RE3 rare earth ions / 24 2.2.2 Luminescence characteristics of RE3 rare earth ions / 26 2.3 The research status of rare earth doped ZnO nanomaterials / 28 Chapter 3 Preparations of ZnO nanomaterials and RE3 rare earthIons doped ZnO luminescent materials / 32 3.1 Preparation of ZnO nano-powder / 33 3.1.1 P reparation of ZnO nano-powder by chemical precipitationmethod / 33 3.1.2 P reparation of ZnO nano-powder by high temperature solidphase / 35 3.1.3 P reparation of ZnO nano-powder by hydrothermalmethod / 35 3.1.4 Preparation of ZnO nano-powder by microemulsionmethod / 36 3.2 Preparation of ZnO nano-colloid / 36P reparation of ZnO nano-colloid by Sol-gel method / 36 3.3 Preparation of ZnO nano-thin film / 37 3.3.1 P reparation of ZnO nano-thin film by Sol-gel method / 38 3.3.2 P reparation of ZnO nano-thin film by RF magnetronsputtering / 38 3.3.3 P reparation of ZnO nano-thin film by pulsed laser 6deposition / 39 3.3.4 P reparation of ZnO nano-thin film by the molecular beamepitaxial method / 40 3.3.5 P reparation of ZnO nano-thin film by chemical vapordeposition of metallic organic compounds / 40 3.3.6 P reparation of ZnO nano-thin film by atomic layerepitaxy / 41 3.3.7 P reparation of ZnO nano-thin film by spray pyrolysis / 42 3.4 Preparation of nano-ZnO¡ÃRE3 / 43 3.4.1 P reparation of nano-ZnO¡ÃEr3 / 43 3.4.2 P reparation of nano-ZnO¡ÃEu3 / 43 3.4.3 P reparation of nano-ZnO¡ÃTb3 / 44 Chapter 4 Luminescence mechanisms of nano-ZnO / 49 4.1 Visible luminescence mechanisms of nano-ZnO / 50 4.1.1 The visible emission mechanisms of ZnO nano-powder / 50 4.1.2 The visible emission mechanisms of ZnO nano-colloid / 54 4.1.3 The visible emission mechanisms of ZnO nano-thin film / 59 4.2 The effects of annealing temperature on the visible emissionmechanisms of ZnO nano-thin film / 63 4.3 The effects of atmosphere on the structures of ZnO nano-thin film andblue emission / 67 Chapter 5 Luminescence mechanisms of RE3 rare earth ionsdoped ZnO / 76 5.1 Luminescence mechanisms of Er3 doped nano-ZnO / 77 5.1.1 Luminescence mechanisms of ZnO¡ÃEr3 nanocrystal / 77 7 5.1.2 Effects of annealing temperature on luminescenceproperties of ZnO¡ÃEr3 nanocrystal / 82 5.2 Luminescence mechanisms of Eu3 Rare Earth I ons dopednano-ZnO / 86 5.2.1 Luminescence mechanisms of ZnO¡ÃEu3 nanocrystal / 86 5.2.2 Effects of annealing temperature on luminescenceproperties of ZnO¡ÃEu3 nanocrystal / 91 5.3 Luminescence mechanisms of Tb3 Rare Earth I ons dopednano-ZnO / 95 5.3.1 Luminescence mechanisms of ZnO¡ÃTb3 nanocrystal / 95 5.3.2 Effects of annealing temperature on luminescence propertiesof ZnO¡ÃTb3 nanocrystal / 99 5.3.3 The effects of rare Earth ion doping concentration onluminescence properties of ZnO¡ÃTb3 nanocrystal / 103 Index / 110 Postscript / 115