Synthesis, luminescence properties, and growth mechanisms of YF3:Yb3+/Er3+ nanoplates

G. Murali; Byeong Hoon Lee; R. K. Mishra; Jae Myeong Lee; Sang Hwan Nam; Yung Doug Suh; Dong Kwon Lim; Joong Hee Lee; Seung Hee Lee

doi:10.1039/c5tc02034d

Synthesis, luminescence properties, and growth mechanisms of YF₃:Yb³⁺/Er³⁺ nanoplates

G. Murali, Byeong Hoon Lee, R. K. Mishra, Jae Myeong Lee, Sang Hwan Nam, Yung Doug Suh, Dong Kwon Lim, Joong Hee Lee, Seung Hee Lee

KU-KIST Graduate School of Converging Science and Technology

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

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.

Original language	English
Pages (from-to)	10107-10113
Number of pages	7
Journal	Journal of Materials Chemistry C
Volume	3
Issue number	39
DOIs	https://doi.org/10.1039/c5tc02034d
Publication status	Published - 2015 Sept 4

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Chemistry(all)
Materials Chemistry

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title = "Synthesis, luminescence properties, and growth mechanisms of YF3:Yb3+/Er3+ nanoplates",

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.",

author = "G. Murali and Lee, {Byeong Hoon} and Mishra, {R. K.} and Lee, {Jae Myeong} and Nam, {Sang Hwan} and Suh, {Yung Doug} and Lim, {Dong Kwon} and Lee, {Joong Hee} and Lee, {Seung Hee}",

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year = "2015",

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doi = "10.1039/c5tc02034d",

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volume = "3",

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AU - Murali, G.

AU - Lee, Byeong Hoon

AU - Mishra, R. K.

AU - Lee, Jae Myeong

AU - Nam, Sang Hwan

AU - Suh, Yung Doug

AU - Lim, Dong Kwon

AU - Lee, Joong Hee

AU - Lee, Seung Hee

PY - 2015/9/4

Y1 - 2015/9/4

N2 - 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.

AB - 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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Synthesis, luminescence properties, and growth mechanisms of YF₃:Yb³⁺/Er³⁺ nanoplates

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