期刊
OPTICAL MATERIALS EXPRESS
卷 6, 期 9, 页码 -出版社
OPTICAL SOC AMER
DOI: 10.1364/OME.6.003001
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资金
- National High Technology Research and Development Program of China (863 Program) [2013AA032205]
- National Natural Science Foundation of China [51272022]
- Research Fund for the Doctoral Program of Higher Education [20120009130005]
- Fundamental Research Funds for the Central Universities [2012JBZ001]
beta-NaGdF4:Yb3+/Er3+ nanoparticles (NPs) co-doped with Mo3+ ions were prepared for the first time using a solvothermal process at 300 degrees C. The influence of the doping concentration of Mo3+ ions on the growth and upconversion (UC) luminescence properties of the resulting beta-NaGdF4:Yb3+/Er3+ nanocrystals were investigated in detail. The morphology and size of the beta-NaGdF4:Yb3+/Er3+ nanocrystals were influenced by the concentration of the Mo3+ dopant ions. A possible mechanism for this behavior is proposed in this report. It was found that the upconversion luminescence intensity of the green emissions of the upconversion NPs co-doped with 10% Mo3+ ions was enhanced 9 fold and that the red emission was enhanced 4 fold. The experimental results suggest that the enhanced UC luminescence from the Mo3+ doped beta-NaGdF4:Yb3+/Er3+ nanocrystals may have potential practical applications. (C) 2016 Optical Society of America
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