Kang SHAO, Tao WANG, Yingting WEN, Yuanjie TENG, Huijun LIU, Zaifa PAN. Modulation of Morphology and Luminescence Property of NaBiF4:Yb3+/Er3+ Upconversion Nanoparticles by Organic Ligands [J]. Journal of Inorganic Materials, 2020, 35(4): 447
- Journal of Inorganic Materials
- Vol. 35, Issue 4, 447 (2020)
1. IR spectra of (a) PAA-modified NaBiF4, (b) PEI-modified NaBiF4, (c) PVP-modified NaBiF4, (d) CTAB-modified NaBiF4, (e) CTAC-modified NaBiF4, and (f) CA-modified NaBiF4
2. XRD patterns of several samples
3. SEM images of (a) PAA-modified NaBiF4, (b) PEI-modified NaBiF4, (c) PVP-modified NaBiF4, (d) CTAB-modified NaBiF4, (e) CTAC-modified NaBiF4, and (f) CA-modified NaBi
4. Size distributions of (a) PAA-NaBiF4, (b) PEI-NaBiF4, (c) PVP-NaBiF4, (d) CTAB-NaBiF4,(e) CTAC-NaBiF4, and (f) CA-NaBiF4
5. Structural formulas of six organic ligands: PAA, PEI, PVP, CTAB, CTAC, and CA
6. Emission spectra of NaBiF4 upconversion material modified by different organic ligands excited at 980 nm
7. Emission spectra of PEI-NaBiF4 upconverting material in water and ethanol, respectively
8. Emission spectra of (a) CTAB-NaBiF4 and (b) CTAC-NaBiF4 at different temperatures
9. Emission spectra of (a) PAA-NaBiF4, (b) PVP-NaBiF4, (c) CTAB-NaBiF4, and (d) CTAC-NaBiF4 under different pH conditions
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