Mechanism of Phosphorescence Appropriate for the Long-Lasting Phosphors Eu2+-Doped SrAl2O4 with Codopants Dy3+ and B3+

Clabau, Frédéric; Rocquefelte, Xavier; Jobic, Stéphane; Deniard, Philippe; Whangbo, Myung‐Hwan; Garcia, A.; Le Mercier, Thierry

doi:10.1021/cm050763r

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Mechanism of Phosphorescence Appropriate for the Long-Lasting Phosphors Eu2+-Doped SrAl2O4 with Codopants Dy3+ and B3+

Shared by NobleBlocks on Jul 1, 2005 • 12:00 AM UTC

Authors:

Frédéric Clabau

Xavier Rocquefelte

Stéphane Jobic

Abstract

The existing mechanisms proposed to explain the phosphorescence of SrAl2O4:Eu2+,Dy3+ and related phosphors were found to be inconsistent with a number of important experimental and theoretical observations. We formulated a new mechanism of phosphorescence on the basis of the facts that the d orbital...

Subject

Phosphorescence

Phosphor

Persistent luminescence

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