| Title |
Hydrothermal synthesis of well-defined red-emitting Eu-doped GdPO4 nanophosphors and investigation of their morphology and optical properties / |
| Authors |
Ežerskytė, Eglė ; Žarkov, Aleksej ; Klimkevičius, Vaidas ; Katelnikovas, Artūras |
| DOI |
10.3390/cryst13020174 |
| Full Text |
|
| Is Part of |
Crystals: Special issue: Advances in functional inorganic materials prepared by wet chemical methods (volume II)).. Basel : MDPI. 2023, vol. 13, iss. 2, art. no. 174, p. [1-14].. eISSN 2073-4352 |
| Keywords [eng] |
hydrothermal synthesis ; morphology control ; rare‑earth phosphates ; red emission ; rod-like nanoparticles |
| Abstract [eng] |
Rare-earth-doped GdPO4 nanoparticles have recently attracted much scientific interest due to the simultaneous optical and magnetic properties of these materials and their possible application in bio-imaging. Herein, we report the hydrothermal synthesis of GdPO4:Eu3+ nanoparticles by varying different synthesis parameters: pH, : molar ratio, and Eu3+ concentration. It turned out that the Eu3+ content in the synthesized nanoparticles had little effect on particle shape and morphology. The synthesis media pH, however, has showed a pronounced impact on particle size and distribution, i.e., the nanoparticle length can be adjusted from hundreds to tens of nanometers by changing the pH from 2 to 11, respectively. Increasing the : molar ratio resulted in a decrease in nanoparticle length and an increase in its width. The temperature-dependent measurements in the 77–500 K range revealed that the GdPO4:50%Eu3+ sample maintains half of its emission intensity, even at room temperature (TQ1/2 = 291 ± 19 K). |
| Published |
Basel : MDPI |
| Type |
Journal article |
| Language |
English |
| Publication date |
2023 |
| CC license |
|
