Lian Rui, Yin Min, Zhang Weiping, Huo Chengsong, Wu Weida, Xia Shangda. CHEMICAL PREPARATION, STRUCTURE ANALYSIS AND SPECTRUM CHARACTERISTICS OF YPO<sub>4</sub>:Pr<sup>3+</sup> NANOCRYSTAL[J]. Chinese Journal of Luminescence, 1999,20(2): 102-105
Lian Rui, Yin Min, Zhang Weiping, Huo Chengsong, Wu Weida, Xia Shangda. CHEMICAL PREPARATION, STRUCTURE ANALYSIS AND SPECTRUM CHARACTERISTICS OF YPO<sub>4</sub>:Pr<sup>3+</sup> NANOCRYSTAL[J]. Chinese Journal of Luminescence, 1999,20(2): 102-105DOI:
The chemical preparation method and spectrum characteristics of YPO
4
:Pr
3+
nanocrystal powder are reported for the first time. The structure analysis shows that the sample is nano material with radius of about 20nm. A strong emission from
3
P
1
level of Pr
3+
ion is observed under excitation at
3
P
0
level by a Ar
+
laser set at 488nm. This is caused by the efficient cross relaxation energy transfer of {