Materials, Photonic Devices, and Sensors

Effect of AlN addition on the photoluminescence and phosphorescence properties of SrAl2O4 : Eu2+,Dy3+ phosphors

[+] Author Affiliations
Lan Ma, Zhiguo Xia, Quanlin Liu

University of Science and Technology Beijing, School of Materials Science and Engineering, Beijing 100083, China

Opt. Eng. 54(6), 067105 (Jun 18, 2015). doi:10.1117/1.OE.54.6.067105
History: Received February 5, 2015; Accepted May 27, 2015
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Abstract.  The effect of AlN addition on the phase structures and luminescence properties of SrAl2O4:Eu2+,Dy3+ phosphor has been discussed. SrAl2+xO4Nx:0.02Eu2+,0.03Dy3+ (x=0 to 0.3) phosphors have been synthesized by a solid-state reaction. X-ray powder diffraction shows that the phase structures of as-prepared SrAl2+xO4Nx:0.02Eu2+,0.03Dy3+ remain invariable with the SrAl2O4 phase when the content of AlN is below 0.3. With the addition of AlN, photoluminescence intensities of SrAl2+xO4Nx:0.02Eu2+,0.03Dy3+ phosphors decrease with increasing x; however, the afterglow phosphorescence intensities obviously increased. The mechanism of the enhanced phosphorescence properties was also discussed.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Lan Ma ; Zhiguo Xia and Quanlin Liu
"Effect of AlN addition on the photoluminescence and phosphorescence properties of SrAl2O4 : Eu2+,Dy3+ phosphors", Opt. Eng. 54(6), 067105 (Jun 18, 2015). ; http://dx.doi.org/10.1117/1.OE.54.6.067105


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