Nanoscale mapping of ZnO-TiO2 up-conversion phosphor containing Yb3+ and Er3+

被引：1
|
作者：
Nonaka, Toshihiro [1 ]
Imai, Takahito [2 ]
Ban, Takahiko [1 ]
Yamamoto, Shin-Ichi [1 ]
机构：
[1] Ryukoku Univ, Fac Sci & Technol, Dept Elect & Informat, 1-5 Yokotani,Oe Cho, Otsu, Shiga 5202194, Japan
[2] Ryukoku Univ, Fac Sci & Technol, Dept Mat Chem, 1-5 Yokotani,Oe Cho, Otsu, Shiga 5202194, Japan
来源：
MATERIALS RESEARCH EXPRESS | 2020年 / 7卷 / 05期
基金：
日本科学技术振兴机构;
关键词：
Zn2TiO4; Yb2Ti2O7; Er2Ti2O7; TiO2; metal organic decomposition; SOLAR-CELLS; LUMINESCENCE; NANOPARTICLES; EMISSION; NANOCRYSTALS; ENHANCEMENT; COMPOSITE; NIR; NAYF4-YB; ER; TEMPERATURE;
D O I：
10.1088/2053-1591/ab89db
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Up-conversion phosphors have attracted considerable attention for their visible-light emission. In this study, a ZnO-TiO2 up-conversion phosphor containing Yb3+ and Er3+ ions was prepared; its emission characteristics and crystal structure were analyzed, and its nanoscale elemental mapping was examined. The metal organic decomposition (MOD) method was used to fabricate the samples. After firing the sample at 1000 degrees C, the emission intensity showed a maximum when the molar ratio was Ti/Zn/Yb/Er = 1/1/0.06/0.02. Finally, the function of each element was considered from the viewpoint of the crystal structure and nanoscale mapping.
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页数：8
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