Research Article
Oxalic Acid-Assisted Hydrothermal Synthesis and Luminescent of Hexagonal NaYF4:Ln3+ (Ln = Sm, Eu, Yb/Er) Micro/Nanoplates
Figure 9
(a) Room temperature emission spectrum (Ex slits = 2 nm, Em slits = 5 nm), (b) the decay curve of Eu3+ (5D0-7F2), and (c) the CIE chromaticity diagram for the NaYF4:5% Eu3+ samples.
| (a) |
| (b) |
| (c) |