Synthesis, spectroscopic and luminescent properties of nanosized powders of yttrium phosphates doped with Er3+ ions
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- 作者：Polina A. Ryabochkina (1)
Svetlana A. Antoshkina (1)
Alexander S. Vanetsev (2)
Ilmo Sildos (2)
Olga M. Gaitko (3)
Vladimir M. Kyashkin (1)
Sergey N. Ushakov (4)
Andrey A. Panov (1)
Natalie Yu. Tabachkova (5)
Konstantin N. Nishchev (1) - 关键词：Nanocrystalline powders ; Ortophosphate ; Luminescence spectra
- 刊名：Journal of Nanoparticle Research
- 出版年：2014
- 出版时间：March 2014
- 年：2014
- 卷：16
- 期：3
- 全文大小：875 KB
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Svetlana A. Antoshkina (1)
Alexander S. Vanetsev (2)
Ilmo Sildos (2)
Olga M. Gaitko (3)
Vladimir M. Kyashkin (1)
Sergey N. Ushakov (4)
Andrey A. Panov (1)
Natalie Yu. Tabachkova (5)
Konstantin N. Nishchev (1)
1. Ogarev Mordovia State University, Bolshevistskaya Street 68, Saransk, Russia
2. Institute of Physics, University of Tartu, Riia 142, Tartu, Estonia
3. Kurnakov Institute of General and Inorganic Chemistry RAS, Lenin Avenue 31, Moscow, Russia
4. Prokhorov Institute of General Physics RAS, Vavilov Street 38, Moscow, Russia
5. National University of Science and Technology MISiS, Lenin Avenue 4, Moscow, Russia - ISSN：1572-896X
文摘
Here, we report synthesis of pure crystalline nanopowders of yttrium orthophosphate Y0.95Er0.05PO4 with xenotime-type structure and hydrate of yttrium orthophosphate Y0.95Er0.05PO4?.8H2O with rhabdophane-type structure using microwave-hydrothermal treatment of freshly precipitated gels. To establish phase composition of the synthesized nanopowders, we have carried out XRD analysis. Also, we have investigated their morphology by means of TEM and SAXS. We have registered scattered reflection spectra for synthesized Y0.95Er0.05PO4 and Y0.95Er0.05PO4?.8H2O powders. Also, we have obtained luminescent spectra of these nanocrystalline samples for 4I13/2?→?sup class="a-plus-plus">4I15/2 transition of Er3+ ion with excitation of 4I11/2 level. We have proposed the mode of application of nanocrystalline powders Y0.95Er0.05PO4 and Y0.95Er0.05PO4?.8H2O for the development of composite materials based on polymer capsules that are being used in targeted drug delivery.