Abstract: In this paper, BaWO4: Yb3+, Tm3+ powder with ideal luminescence properties was synthesized by
hydrothermal method.The effects of doping ratios on synthesis were studied.The best preparation process was
determined.The products are characterized by X-ray diffraction and scanning electron microscope.The results
indicate that Yb3+-Tm3+ co-doped BaWO4 is tetragonal crystal system,the particle size ranged from 25 to 40 nm
and dispersed uniformly.The spectrum was measured with Hitachi F - 4500 spectrophotometer under 980 nm
diode laser excitation. The results are as follows: The emission peaking of BaWO4: Yb3+, Tm3+ nanocrystal
located at 457, 478 and 650 nm corresponding to 1D2 →3F4, 1G4 →3H6 and 1G4 →3F4 transitions of Tm3+,
respectively.The results show that the luminous intensity is best when concentration ratio of Yb3+ /Tm3+ is 7 1,
and the pertinent up-conversion mechanism model of the sample were proposed.
苏吉益, 马宏图, 曲铭镭, 施 琳. Yb-Tm 掺杂钨酸盐纳米晶的制备及发光性能研究[J]. 吉林化工学院学报, 2018, 35(1): 51-53.
SU Ji-yi, MA Hong-tu, QU Ming-lei, SHI Lin. The Preparation and Characterization of Yb-Tm Ions Codoped Tungstate Nanocrystal. Journal of Jilin Institute of Chemical Technology, 2018, 35(1): 51-53.