New generation of europium and terbium activated phosphors : from syntheses to applications /: from syntheses to applications. (2012)

• Record Type: Book
• Further Information: Note: Mihail Nazarov, Do Young Noh.
• Other Names: Nazarov, Mihail; Noh, Do Young
• Contents: Preface; 1. Phosphors and Luminescence; 1.1 Luminescence Classification; 1.1.1 Types of Excitation; 1.1.2 Fluorescence and Phosphorescence; 1.2 Luminescence Terminology; 1.2.1 Quantum Numbers, Term Symbols and L-S Coupling; 1.2.2 Selection Rules; 1.3 Luminescent Materials; 1.3.1 The Past and Present of Phosphors; 1.3.2 Major Applications of Phosphors; 1.4 Rare Earth Activation; 1.4.1 Radiative and Non-radiative Transitions; 1.4.2 Peculiarities of Eu and Tb Activation; 2. Synthesis of Phoshors; 2.1 General Requirements of Phosphors; 2.2 Solid State Methods; 2.2.1 Solid State Reaction; 2.2.2.1 Preliminary powder preparation; 2.2.2.2 Firing and calcinations; 2.2.2.3 Post-treatment; 2.2.2 Microwave Synthesis Method; 2.3 Wet-Chemical Methods; 2.3.1 Co-Precipitation; 2.3.2 Sol–Gel Techniques; 2.3.3 Hydrothermal; 2.3.4 Solvothermal; 2.3.5 Colloidochemical; 2.3.6 Spray–Pyrolysis; 2.3.7 Combustion Method; 3.Phoshor Characterization; 3.1 Morphology Analysis with Scanning Electron; Microscopy; 3.1.1 Electron Beam Interaction with Solid Matter; 3.1.2 SEM Images of Phosphors in Back-Scattered; Electrons; 3.2 Cathodoluminescence Characterization; 3.2.1 Monochromatic Cathodoluminescence; 3.2.2 Panchromatic or Color Cathodoluminescence; 3.2.3 Composite Cathodoluminescent and; Back-Scattering Electron Contrast in SEM; 3.3 Microanalysis; 3.3.1 Electron Probe Micro-Analyzer; 3.3.2 Energy-Dispersive X-Ray Spectroscopy; 3.3.3 Wavelength-Dispersive X-Ray Spectroscopy; 3.3.4 Example of Microanalysis Application; 3.4 Particle Size Analysis; 3.4.1 Methods of Particle Analysis; 3.4.2 Laser Diffraction; 3.4.3 Cumulative and Density Distribution; 3.5 X-Ray Diffraction Measurements; 3.5.1 X-Ray Generation and Properties; 3.5.2 Lattice Planes and Bragg’s Law; 3.5.3 Powder Diffraction; 3.5.4 Example of XRD Application; 3.6 Spectroscopic Methods in Structural, Morphology; and Luminescence Characterization; 3.6.Spectroscopy Classification; 3.6.2 Photoluminescence Spectroscopy; 3.6.2.1 Photoluminescence excitation; spectroscopy; 3.6.2.2 Measurements in the vacuum-ultraviolet; region; 3.6.3 X-Ray Generated Luminescence; 3.6.4 Cathodoluminescence Spectroscopy; 3.6.5 Fourier Transform Infrared Spectroscopy; 3.6.6 Raman Spectroscopy; 3.6.7 Terahertz Spectroscopy; 3.7 Computational Materials Science; 3.7.1 Ab initio Calculations; 3.7.2 Monte Carlo Calculations; 3.7.3 Hartree–Fock Algorithm; 3.7.4 Density Functional Theory; 4. Phosphors for Different Applications; 4.1 Europium and Terbium Activated CaWO4; 4.1.1 Introductory Remarks; 4.1.2 Phosphor Preparation; 4.1.3 Luminescence of Eu3+ and Tb3+ Activated; CaWO4 Phosphors; 4.1.4 Analysis of Optical Lines; 4.1.5 Polarization Selection Rules; 4.1.6 Ab initio Calculations; 4.1.7 Concluding Remarks; 4.2 RE3+ Activated Y(Ta, Nb)O4-Based Phosphors; 4.2.1 Introductory Remarks; 4.2.2 Self-Activated Y(Ta, Nb)O4 Phosphors; 4.2.3 Terbium Activated Y(Ta, Nb)O4 Phosphors; 4.2.3.1 Effect of flux materials; 4.2.3.2Effect of flux concentration; 4.2.3.3 Effect of terbium concentration; 4.2.3.4 Effect of niobium addition; 4.2.4 Europium Activated Y(Ta, Nb)O4 Phosphors; 4.2.4.1 Photoluminescence properties; 4.2.4.2 Crystalline structure; 4.2.4.3 Morphology and particle size; 4.2.4.4 Vibrational spectra; 4.2.5 Double Activated Y(Ta, Nb)O4:Eu3+, Tb3+; 4.2.5.1 Sample preparation; 4.2.5.2 Particle morphology and sizes; 4.2.5.3 X-Ray diffraction measurement; 4.2.5.4 X-ray luminescent measurement; 4.2.5.5 X-ray diffraction characterization; 4.2.5.6 Cathodoluminescence; 4.2.5.7 VUV excitation; 4.2.5.8 X-ray luminescence characterization; 4.2.5.9 Luminescence mechanism in double; activated Y(Ta, Nb)O4:Eu3+Tb3+; 4.2.6 Stark Levels and Selection Rules; 4.2.6.1 Stark levels and selection rules for the; transitions in Tb3+ and Eu3+ (4f8 shell); 4.2.6.2 Experimental measurements; 4.2.6.3 VUV excitation; 4.2.6.4 X-ray excitation; 4.2.6.5 Low-temperature PL measurements; 4.2.7 First-Principles Electronic Structure Calculations; 4.2.7.1 Samples preparation; 4.2.7.2 Densities of states calculations; 4.2.7.3 Experimental results; 4.2.7.4 DOS and luminescence; 4.2.8 Red Emission Properties of (Y, M)NbO4:Eu3+; (M:Al, Ga); 4.2.8.1 nUV excitation; 4.2.8.2 X-ray excitation; 4.2.9 Configurationally Coordinate Diagram and Energy Transfer Model; Transfer Model; 4.2.10 Terahertz Spectroscopy in Study Y(Ta, Nb)O4-; Based Phosphors; 4.2.11 Concluding Remarks; 4.3 Phosphors Based on Europium Doped Oxides and Oxysulfides; 4.3.1 Introductory Remarks; 4.3.2 Eu3+ Activated Y2O3; 4.3.2.1 Synthesis of europium doped yttrium; oxide phosphors; 4.3.2.2 Structural and luminescent; characterization; 4.3.3 Eu3+ Doped Y2O2–La2O2–Gd2O2; 4.3.3.1 Synthesis of europium doped yttrium–; gadolinium–lanthanum oxide phosphors; 4.3.3.2 Structural and luminescent; characterization; 4.3.4 Eu3+ Doped Y2O2S–La2O2S–Gd2O2S; 4.3.4.1 Synthesis of europium doped yttrium–gadolinium–lanthanum Oxysulfide Phosphorus; 4.3.4.2 Structural and luminescent; characterization; 4.3.5 Phosphors Based on YVO4:Eu3+ and (Y, Gd)VO4:Eu3+; 4.3.5.1 Synthesis of (YX, Gd1-X)VO4:Eu3+ phosphor; by co-precipitation and solid state; reaction route; 4.3.5.2 Structural and luminescent; characterization; 4.3.6 Concluding Remarks; 4.4 Yttrium and Terbium Aluminate Phosphors; Co-activated by Eu3+; 4.4.1 Introductory Remarks; 4.4.2 Physico-chemical Aspects Related with; the Synthesis of YAG-Based Phosphors; 4.4.3 Luminescence Properties of Tb3Al5O12:Ce3+ Eu3+; 4.4.3.1 Preparation of the phosphors; 4.4.3.2 Measurements; 4.4.3.3 Luminescence properties; 4.4.4 Luminescence Mechanism and Energy-Level; Diagram; 4.4.5 Quantum Efficiency of YAG and TAG Phosphors; 4.5 Thiogallate Luminescent Materials; 4.5.1 Introductory Remarks; 4.5.2 Structural and Luminescent Properties of Calcium; Strontium, and Barium Thiogallates; 4.5.3 New Efficient Multiphase Green Phosphor; [SrGa2S4 MgGa2O4]:Eu2+; 4.5.4 Electron-Vibrational Interaction in 4f–5d; Optical Transitions; 4.5.5 Concluding Remarks; 4.6 Multiexcited Phosphors for LED Application; 4.6.1 Introductory Remarks; 4.6.2 Requirements of Multiexcitation; 4.6.3 Double Excitation in UV LED; 4.6.4 Triple Excitation in UV LED; 4.6.5 Double Excitation in Blue LED; 4.6.6 LED with Scattering Layer and Reflecting Medium; 4.6.6.1 UV LED; 4.6.6.2 Blue LED; 4.6.7 Concluding Remarks; 4.7 Other Luminescent Materials; 4.7.1 Luminescent Properties of Ca-a-SiAION:Eu2+; 4.7.2 (Ca1-xSrx)(S1-ySey):Eu2+ Phosphors with Controlled; Properties; 4.7.3 Concluding Remarks; References; Appendix I: The Luminescence Literature; a. Phosphor Books; b. Phosphor Reviews; Appendix II: List of Main Abbreviations; Index;
• Publisher Details: Boca Raton, Fla : CRC Press
• Publication Date: 2012
• Extent: 1 online resource (xiv, 439 pages), illustrations
• Subjects: 620.11295; Phosphors; Europium; Terbium; SCIENCE -- Nanoscience; Europium; Phosphors; Terbium; Electronic books
• Languages: English
• ISBNs: 9789814364058; 9814364053; 9814310778; 9789814310772
• Related ISBNs: 9789814310772
• Notes: Note: Includes bibliographical references.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.