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Nanostructured Y2O3 Particles Doped with Europium Synthesized by Aerosol Route

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2009
Gomez_International-Journal-of-Modern-Manufacturing-Technologies_2009.pdf (3.045Mb)
Authors
Gómez, Luz Stella
Marinković, Katarina
Rabanal, Maria Eugenia
Milošević, Olivera
Article (Published version)
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Abstract
Y2O3 doped with europium is a well known red phosphor material employed in modern high-resolution display devices such as plasma display panels (PDP) and field emission displays (FED). The incorporation of gadolinium in the yttria matrix may significantly contribute to the luminescent properties and x-ray absorption coefficient thus increasing the field of application in optoelectronic devices such as ceramic scintillators for computed tomography. In this work, the nanostructured particles of Y 2 O 3 doped with Eu 3+ were processed through the spray pyrolysis method. Synthesis was carried out with an ultrasonic aerosol device operating at 1.3 MHz in air atmosphere connected with a triple-zone tubular flow reactor (473-973-1173K). Particles were submitted t o post- thermal treatments at temperatures among 1273 and 1 573K for 12 hours in order to increase the crystallinity and uniform distribution of doped centers. Morphology, structure, crystallinity and chemical characteristics wer...e studied by XRD, SEM-EDS, TEM-HRTEM and SAED. The particles obtained are spherical, having narrow size distributions, high compositional homogeneity and are in unagglomerated state. The effects of synthesis parameters were followed and discussed in terms of particle structure and morphology.

Keywords:
nanostructured materials / ceramic materials / spray pyrolysis / aerosol synthesis
Source:
International Journal of Modern Manufacturing Technologies, 2009, 1, 1, 43-48
Publisher:
  • Iasi : Professional Association in Modern Manufacturing Technologies, ModTech
Projects:
  • Synthesis, characterization and activity of organic and coordination composition and their application in (bio) nanotechnology (RS-142010)

ISSN: 2067–3604

[ Google Scholar ]
URI
http://modtech.ro/international-journal/vol1no12009/Luz_Stella_Gomez.pdf
http://www.ijmmt.ro/vol1no12009/Luz_Stella_Gomez.pdf
http://dais.sanu.ac.rs/123456789/3550
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Gómez, Luz Stella
AU  - Marinković, Katarina
AU  - Rabanal, Maria Eugenia
AU  - Milošević, Olivera
PY  - 2009
UR  - http://modtech.ro/international-journal/vol1no12009/Luz_Stella_Gomez.pdf
UR  - http://www.ijmmt.ro/vol1no12009/Luz_Stella_Gomez.pdf
UR  - http://dais.sanu.ac.rs/123456789/3550
AB  - Y2O3 doped with europium is a well known red  phosphor material employed in modern high-resolution display devices such as plasma display panels (PDP) and  field emission displays (FED). The incorporation of gadolinium in the yttria matrix may significantly contribute to the luminescent properties and x-ray absorption coefficient thus increasing the field of application in optoelectronic devices such as ceramic scintillators for computed tomography. In this work, the nanostructured particles of Y 2 O 3 doped with Eu 3+ were processed through the spray pyrolysis method. Synthesis was carried out with  an ultrasonic aerosol device operating at 1.3 MHz in air  atmosphere connected with a triple-zone tubular flow reactor (473-973-1173K). Particles were submitted t o post- thermal treatments at temperatures among 1273 and 1 573K for 12 hours in order to increase the crystallinity and uniform distribution of doped centers. Morphology, structure, crystallinity and chemical characteristics were  studied by XRD, SEM-EDS, TEM-HRTEM and SAED. The particles obtained are spherical, having narrow size distributions, high compositional homogeneity and are in unagglomerated state. The effects of synthesis parameters were followed and discussed in terms of particle structure and morphology.
PB  - Iasi : Professional Association in Modern Manufacturing Technologies, ModTech
T2  - International Journal of Modern Manufacturing Technologies
T1  - Nanostructured Y2O3 Particles Doped with Europium Synthesized by Aerosol Route
SP  - 43
EP  - 48
VL  - 1
IS  - 1
ER  - 
@article{
author = "Gómez, Luz Stella and Marinković, Katarina and Rabanal, Maria Eugenia and Milošević, Olivera",
year = "2009",
url = "http://modtech.ro/international-journal/vol1no12009/Luz_Stella_Gomez.pdf, http://www.ijmmt.ro/vol1no12009/Luz_Stella_Gomez.pdf, http://dais.sanu.ac.rs/123456789/3550",
abstract = "Y2O3 doped with europium is a well known red  phosphor material employed in modern high-resolution display devices such as plasma display panels (PDP) and  field emission displays (FED). The incorporation of gadolinium in the yttria matrix may significantly contribute to the luminescent properties and x-ray absorption coefficient thus increasing the field of application in optoelectronic devices such as ceramic scintillators for computed tomography. In this work, the nanostructured particles of Y 2 O 3 doped with Eu 3+ were processed through the spray pyrolysis method. Synthesis was carried out with  an ultrasonic aerosol device operating at 1.3 MHz in air  atmosphere connected with a triple-zone tubular flow reactor (473-973-1173K). Particles were submitted t o post- thermal treatments at temperatures among 1273 and 1 573K for 12 hours in order to increase the crystallinity and uniform distribution of doped centers. Morphology, structure, crystallinity and chemical characteristics were  studied by XRD, SEM-EDS, TEM-HRTEM and SAED. The particles obtained are spherical, having narrow size distributions, high compositional homogeneity and are in unagglomerated state. The effects of synthesis parameters were followed and discussed in terms of particle structure and morphology.",
publisher = "Iasi : Professional Association in Modern Manufacturing Technologies, ModTech",
journal = "International Journal of Modern Manufacturing Technologies",
title = "Nanostructured Y2O3 Particles Doped with Europium Synthesized by Aerosol Route",
pages = "43-48",
volume = "1",
number = "1"
}
Gómez LS, Marinković K, Rabanal ME, Milošević O. Nanostructured Y2O3 Particles Doped with Europium Synthesized by Aerosol Route. International Journal of Modern Manufacturing Technologies. 2009;1(1):43-48
Gómez, L. S., Marinković, K., Rabanal, M. E.,& Milošević, O. (2009). Nanostructured Y2O3 Particles Doped with Europium Synthesized by Aerosol Route.
International Journal of Modern Manufacturing TechnologiesIasi : Professional Association in Modern Manufacturing Technologies, ModTech., 1(1), 43-48. 
Gómez Luz Stella, Marinković Katarina, Rabanal Maria Eugenia, Milošević Olivera, "Nanostructured Y2O3 Particles Doped with Europium Synthesized by Aerosol Route" 1, no. 1 (2009):43-48

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