作者:Cees Ronda 出版商:weily 2008年(2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) 内容如下: Contents Foreword V Preface XIII List of Contributors XV 1 Emission and Excitation Mechanisms of Phosphors 1 Cees R. Ronda 1.1 Introduction 1 1.2 General Considerations – Fluorescent Lamps 1 1.3 General Considerations – Cathode Ray Tubes 2 1.4 Luminescence Mechanisms 3 1.4.1 Center Luminescence 4 1.4.2 Charge Transfer Luminescence 8 1.4.3 Donor Acceptor Pair Luminescence 8 1.4.4 Long Afterglow Phosphors 11 1.5 Excitation Mechanisms 12 1.5.1 Optical Excitation of Luminescence and Energy Transfer 12 1.6 Energy Transfer Mechanisms between Optical Centers 14 1.6.1 Mechanisms Underlying Energy Transfer 14 1.6.2 Energy Transfer Governed by Electrostatic Interaction 15 1.6.3 Energy Transfer by Higher-order Coulomb Interaction 18 1.6.4 Energy Transfer Governed by Exchange Interactions 19 1.6.5 Cross-relaxation and Energy Transfer 19 1.6.6 Practical Implications 20 1.7 Excitation with High-energy Particles 21 1.8 Electroluminescence (EL) 24 1.8.1 High-voltage Electroluminescence 24 1.8.2 Low-voltage Electroluminescence 26 1.9 Factors Determining the Emission Color 27 1.10 Energy Efficiency Considerations of Important Luminescent Devices 29 1.11 Luminescence Quantum Yield and Quenching Processes 29 1.11.1 The Energy does not Reach the Luminescent Ion 31 1.11.2 The Absorbed Energy Reaches the Luminescent Ion but there are Nonradiative Channels to the Ground State 31 1.11.3 The Luminescence Generated is Absorbed by the Luminescent Material 33 1.12 Acknowledgement 34 ......