CHEN Cai-hua, WANG Xiao-jun, MENG Li-li etc. Luminescent Properties of CaY<sub>1-<em>x</em></sub>AlO<sub>4</sub>: <em>xRE</em><sup>3+</sup> (<em>RE</em>=Dy, Ho, Sm, Tm) Phosphors[J]. Chinese Journal of Luminescence, 2018,39(3): 273-279
CHEN Cai-hua, WANG Xiao-jun, MENG Li-li etc. Luminescent Properties of CaY<sub>1-<em>x</em></sub>AlO<sub>4</sub>: <em>xRE</em><sup>3+</sup> (<em>RE</em>=Dy, Ho, Sm, Tm) Phosphors[J]. Chinese Journal of Luminescence, 2018,39(3): 273-279 DOI: 10.3788/fgxb20183903.0273.
Luminescent Properties of CaY1-xAlO4: xRE3+ (RE=Dy, Ho, Sm, Tm) Phosphors
Tm) were synthesized by sol-gel method. X-ray powder diffraction (XRD)
high resolution transmission electron microscopy (TEM) and fluorescence spectrophotometer were utilized to characterize the samples on phase structure
morphology and fluorescence properties
respectively.The results show that the synthesized samples are nanometer material with tetragonal crystal structure.Under UV light excitation
the doped rare earth ions exhibit f-f feature level transitions. The doped ions give the strongest emission when the doped mole fraction (
x
) of Dy
3+
Ho
3+
Sm
3+
and Tm
3+
is 0.03
0.015
0.015 and 0.02
and give white
green
orange and blue emission
respectively.
关键词
Keywords
references
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