2008 Volume 37 Issue 5 Pages 498-499
We discovered the stabilization effect of only 1 wt % Ba on synthesizing Eu2+-doped pure Sr–S-phase(Sr2AlxSi12−xN16−xOx+2) under a moderate condition and studied their luminescent properties. The excitation band is at UV–vis spectral region which is about 300–370 nm, and the emission band at 508–538 nm. The emission wavelength changes from 508 to 538 nm as a function of Eu2+ concentration, and the maximum emission intensity could be obtained with the Eu2+ concentration of 0.2. This phosphor can be the potential candidate for using as the green phosphor for UVLED-based white light.
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