Opposite effect of Li+codoping on the upconversion emissions of Er3+-doped TiO2powders
β Scribed by B. S. Cao; Z. Q. Feng; Y. Y. He; H. Li; B. Dong
- Publisher
- Springer
- Year
- 2010
- Tongue
- English
- Weight
- 238 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0928-0707
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The influence of Eu 3+ on the upconversion (UC) fluorescence of Er 3+ in Y 2 O 3 :Er 3+ , Yb 3+ nanocrystals was investigated. Room-temperature UC spectra show that the intensity ratio of red to green lights was increased from 8.6 to 19.3 with 1.0 mol% Eu 3+ doping. Additionally, with the increase o
## Abstract The Er^3+^βsingleβdoped and Er^3+^/Ce^3+^βcodoped YAG particles were synthesized by solidβphase synthesis method. The luminescence spectra of infrared and visible regions were measured at room temperature. Compared with the Er^3+^βsingleβdoped YAG, the sample with 1%Er^3+^ and 10%Ce^3+^