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Understanding Luminescence Spectra and Efficiency Using Wp and Related Functions

  • Book
  • © 1991

Overview

Authors:
  1. Charles W. Struck

    1. GTE Laboratories Inc., Waltham, USA

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    You can also search for this author in PubMed   Google Scholar

  2. William H. Fonger

    1. Princeton, USA

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    You can also search for this author in PubMed   Google Scholar

Part of the book series: Inorganic Chemistry Concepts (INORGANIC, volume 13)

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Table of contents (14 chapters)

  1. Front Matter

    Pages I-XIII
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  2. Introduction

    • Charles W. Struck, William H. Fonger
    Pages 1-18

  3. Harmonic Oscillator Wavefunctions

    • Charles W. Struck, William H. Fonger
    Pages 19-23

  4. The Manneback Recursion Formulas

    • Charles W. Struck, William H. Fonger
    Pages 24-31

  5. The Luminescence Center: The Single-Configurational-Coordinate Model

    • Charles W. Struck, William H. Fonger
    Pages 32-59

  6. Multiple Coordinate Models of a Luminescence Center

    • Charles W. Struck, William H. Fonger
    Pages 60-74

  7. Energy Transfer

    • Charles W. Struck, William H. Fonger
    Pages 75-76

  8. Compendium of Useful Equations

    • Charles W. Struck, William H. Fonger
    Pages 77-85

  9. Contact with the Theoretical Literature

    • Charles W. Struck, William H. Fonger
    Pages 86-109

  10. Representative Luminescence Centers

    • Charles W. Struck, William H. Fonger
    Pages 110-128

  11. Experimental Studies

    • Charles W. Struck, William H. Fonger
    Pages 129-172

  12. Effects Beyond the Model: Oxysulfide: Eu Storage and Loss Processes

    • Charles W. Struck, William H. Fonger
    Pages 173-193

  13. The Exponential Energy-Gap “Law” for Small-Offset Cases

    • Charles W. Struck, William H. Fonger
    Pages 194-197

  14. Conclusions

    • Charles W. Struck, William H. Fonger
    Pages 198-200

  15. References

    • Charles W. Struck, William H. Fonger
    Pages 201-203

  16. Back Matter

    Pages 204-255
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About this book

There are both a remote and a proximate history in the development of this book. We would like to acknowledge first the perceptiveness of the technical administrators at RCA Laboratories, Inc. during the 1970s, and in particular Dr. P. N. Yocom. Buoyed up by the financial importance of yttrium oxysulfide: europium as the red phosphor of color television tubes, they allowed us almost a decade of close cooperation aimed at understanding the performance of this phosphor. It is significant that we shared an approach to research in an industrial laboratory which allowed us to avoid the lure of "first-principles" approaches (which would have been severely premature) and freed us to formulate and to study the important issues directly. We searched for a semiquantitative understanding of the properties observed in luminescence, i. e. , where energy absorption occurs, where emission occurs, and with what efficiency this conversion process takes place. We were aware that the nonradi­ ative transition rates found in practice vary enormously with temperature and, for a given activator, with small changes in its environment. We traced the source of this enormous variation to the magnitude of the vibrational overlap integrals, which have strong dependences on the rearrangements occurring during optical transitions and on the vibrational number of the initial electronic state. We were willing to excise from the problem the electronic aspects - the electronic wavefunctions' and their transition integrals -by treating them as parameters to be obtained from the experimental data.

Authors and Affiliations

  • GTE Laboratories Inc., Waltham, USA

    Charles W. Struck

  • Princeton, USA

    William H. Fonger

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