Research Article

A User-Friendly Method for Synthesizing High-Quality :Yb,Er(Tm) Nanocrystals in Liquid Paraffin

Figure 5

(a) TEM and (b) HRTEM images of NaYF4:Yb,Tm NCs. (c) Up-conversion fluorescence spectrum of NaYF4:Yb,Tm NCs. Inset: the corresponding fluorescent image.
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(a)
302364.fig.005b
(b)
302364.fig.005c
(c)