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Synthesis, luminescence properties, and growth mechanisms of YF3:Yb3+/Er3+ nanoplates
- Authors
- Murali, G.; Lee, Byeong Hoon; Mishra, R. K.; Lee, Jae Myeong; Nam, Sang-Hwan; Suh, Yung Doug; Lim, Dong-Kwon; Lee, Joong Hee; Lee, Seung Hee
- Issue Date
- 2015
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- JOURNAL OF MATERIALS CHEMISTRY C, v.3, no.39, pp.10107 - 10113
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF MATERIALS CHEMISTRY C
- Volume
- 3
- Number
- 39
- Start Page
- 10107
- End Page
- 10113
- ISSN
- 2050-7526
- Abstract
- Anisotropically structured upconversion nanocrystals capable of exhibiting bright upconversion emission properties are a promising new class of high performance optical materials. In this study, we investigate a facile synthetic method for the new nanoplate structure of YF3:Yb3+/Er3+ with enhanced luminescence intensity. The shape of YF3:Yb3+/Er3+ nanocrystals can be controlled by changing the synthesis conditions of the NaOH concentration, reaction time, and surfactant. The concentration of NaOH determines the final structure of YF3:Yb3+/Er3+. By increasing the NaOH concentration from 0.25 mmol to 2.5 mmol, YF3:Yb3+/Er3+ nanoplates transform into NaYF4:Yb3+/Er3+ nanoparticles; in the absence of NaOH, the nanoplate structure of YF3:Yb3+/Er3+ changes to particles. The YF3:Yb3+/Er3+ nanoplates show luminescence efficiency much greater than that of the spherical YF3:Yb3+/Er3+ nanocrystals.
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