Experimental Studies of ZnS-Based Phosphors

  1. Dr. K. Grassie3,
  2. Prof. Dr. E. Teuckhoff4,
  3. Prof. Dr. G. Wegner5,
  4. Prof. Dr. J. Hausselt6 and
  5. Prof. Dr. H. Hanselka7
  1. Vello Valdna1,
  2. Arvo Mere1 and
  3. Roger Durst2

Published Online: 27 APR 2006

DOI: 10.1002/3527607420.ch20

Functional Materials, Volume 13

Functional Materials, Volume 13

How to Cite

Valdna, V., Mere, A. and Durst, R. (2000) Experimental Studies of ZnS-Based Phosphors, in Functional Materials, Volume 13 (eds K. Grassie, E. Teuckhoff, G. Wegner, J. Hausselt and H. Hanselka), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, FRG. doi: 10.1002/3527607420.ch20

Editor Information

  1. 3

    Philips Forschungslaboratorium, Postfach 500145, 52085 Aachen, Germany

  2. 4

    Siemens AG, Postfach 3240, 91050 Erlangen, Germany

  3. 5

    Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany

  4. 6

    Forschungszentrum Karlsruhe, Postfach 3640, 76201 Karlsruhe, Germany

  5. 7

    Institut für Mechanik, Otto-von-Guericke-Universität Magdeburg, Universitätsplatz 2, 39160 Magdeburg, Germany

Author Information

  1. 1

    Tallinn Technical University, Tallinn, Estonia

  2. 2

    Bruker AXS, Inc., Madison, USA

Publication History

  1. Published Online: 27 APR 2006
  2. Published Print: 27 JUN 2000

Book Series:

  1. EUROMAT 99

ISBN Information

Print ISBN: 9783527302543

Online ISBN: 9783527607426

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Keywords:

  • functional materials;
  • ZnS-based phosphors;
  • experimental studies

Summary

The photoluminescence spectra and the influence of codopants and impurities upon the luminescence efficiency and afterglow of ZnS-based phosphors were investigated. ZnCl2 flux, chlorine as a donor dopant and different acceptor dopants were used. It was found that an intense blue luminescence band of doped only with chlorine ZnS has a short decay time whereas the green donor – acceptor pair band has a much higher afterglow value. Rare earth complexes with oxygen decrease the decay time whereas impurities in starting material can dramatically increase the afterglow of phosphor.