Journal of Materials Science

, Volume 48, Issue 10, pp 3672–3678 | Cite as

Solvothermal synthesis and upconversion emission of monodisperse ultrasmall SrYbF5 nanocrystals

  • Lunjun Gong
  • Jicheng Yang
  • Yuyu Li
  • Mo Ma
  • Changfu Xu
  • Guozhong Ren
  • Jianguo Lin
  • Qibin Yang


Uniform ultrasmall monodisperse SrYbF5 and SrErF5 nanocrystals (NCs) were synthesized via solvothermal method using oleic acid as stabilizing agent. Transmission electron microscopy and X-ray diffraction assays reveal that the as-synthesized NCs are of face-centered cubic structure and the cell parameters are 5.608 Å (SrYbF5) and 5.632 (SrErF5) Å. Under the excitation of a 980 nm laser, visible upconversion (UC) emission can be observed by naked eyes in Tm3+ or Er3+ doped SrYbF5 NCs. The integrated intensity of infrared emission is nearly two orders of magnitude stronger than that of the blue emission of SrYbF5:Tm3+ NCs. The energy transfer UC emission mechanisms were also investigated.


NaYbF4 NaLuF4 Promise Host Material Simplify Energy Level Diagram Erbium Fluoride 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors would like to acknowledge financial support from the Scientific Research Fund of China Hunan Provincial Science & Technology Department (No. 2009SK3145) and the Science and Technology on Electro-Optical Information Security Control Laboratory (No. 9140C150303110C1504).


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Lunjun Gong
    • 1
    • 2
  • Jicheng Yang
    • 3
  • Yuyu Li
    • 1
    • 2
  • Mo Ma
    • 1
    • 2
  • Changfu Xu
    • 1
    • 2
  • Guozhong Ren
    • 2
    • 4
  • Jianguo Lin
    • 1
  • Qibin Yang
    • 1
    • 2
  1. 1.Key Laboratory of Low Dimensional Materials and Application TechnologyMinistry of Education, Xiangtan UniversityXiangtanChina
  2. 2.Institute of Modern Physics, Faculty of Materials, Optoelectronics and PhysicsXiangtan UniversityXiangtanChina
  3. 3.Department of Food and Bioengineering, College of Chemical EngineeringXiangtan UniversityXiangtanChina
  4. 4.Science and Technology on Electro-Optical Information Security Control LaboratorySanheChina

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