Academic Journal
Sol gel synthesis and pH effect on the luminescent and structural properties of YPO4: Pr3+ nanophosphors
| العنوان: | Sol gel synthesis and pH effect on the luminescent and structural properties of YPO4: Pr3+ nanophosphors |
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| المؤلفون: | Kahouadji, Badis, Guerbous, Lakhdar, Boukerika, Allaoua, Dolić, Slobodan D., Jovanović, Dragana J., Dramićanin, Miroslav |
| المصدر: | Optical Materials |
| سنة النشر: | 2017 |
| المجموعة: | VinaR Repository (Vinča Institute of Nuclear Sciences / University of Belgrade) |
| مصطلحات موضوعية: | YPO4: Pr3+, Nanophosphors, Sol gel, pH effect, Photoluminescence |
| الوصف: | Pr3+-doped YPO4 nanophosphors prepared by simple sol gel method with different pH values (2, 4, 7 and 11) were obtained. The nanopowders samples were characterized by X-ray diffraction (XRD), room temperature steady and time resolved photoluminescence spectroscopy. The thorough study of pH influence on particles structure and luminescence of YPO4: 1 at. Pr3+ is presented. It was found that the grain size of samples increases with increases in pH value and obtained particles crystallize in a tetragonal phase with xenotime structure. Under 4f5d excitation (230 nm), all emission spectra show the inter -configurational 4f(2)- GT 4f5d and under (3)P2 excitation (449 nm), only the intra-configurational D-1(2)- GT H-3(4) red emission transition between 580 nm and 620 nm are observed. The highest luminescent intensity was obtained for samples prepared at pH = 4. Furthermore, it was found that the pH of solution has no effect of D-1(2) lifetime. (C) 2017 Elsevier B.V. All rights reserved. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | unknown |
| تدمد: | 0925-3467 1873-1252 |
| Relation: | https://vinar.vin.bg.ac.rs/handle/123456789/1621; 000404203800020; 2-s2.0-85019870211 |
| DOI: | 10.1016/j.optmat.2017.05.027 |
| الاتاحة: | https://vinar.vin.bg.ac.rs/handle/123456789/1621 https://doi.org/10.1016/j.optmat.2017.05.027 |
| Rights: | restrictedAccess ; ARR |
| رقم الانضمام: | edsbas.64C7BE7B |
| قاعدة البيانات: | BASE |
| تدمد: | 09253467 18731252 |
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| DOI: | 10.1016/j.optmat.2017.05.027 |