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Soft chemistry routes for synthesis of rare earth oxide nanoparticles with well defined morphological and structural characteristics

Authorized Users Only
2011
Authors
Mančić, Lidija
Marinković, Bojan
Marinković, Katarina
Dramićanin, Miroslav
Milošević, Olivera
Article (Published version)
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Abstract
Phosphors of (Y0.75Gd0.25)2O3:Eu3+ (5 at.%) have been prepared through soft chemistry routes. Conversion of the starting nitrates mixture into oxide is performed through two approaches: (a) hydrothermal treatment (HT) at 200 °C/3 h of an ammonium hydrogen carbonate precipitated mixture and (b) by thermally decomposition of pure nitrate precursor solution at 900 °C in dispersed phase (aerosol) within a tubular flow reactor by spray pyrolysis process (SP). The powders are additionally thermally treated at different temperatures: 600, 1000, and 1100 °C for either 3 or 12 h. HT—derived particles present exclusively one-dimensional morphology (nanorods) up to the temperatures of 600 °C, while the leaf-like particles start to grow afterward. SP—derived particles maintain their spherical shape up to the temperatures of 1100 °C. These submicron sized spheres were actually composed of randomly aggregated nanoparticles. All powders exhibits cubic Ia-3 structure (Y0.75Gd0.25)2O3:Eu and have impro...ved optical characteristics due to their nanocrystalline nature. The detailed study of the influence of structural and morphological powder characteristics on their emission properties is performed based on the results of X-ray powder diffractometry, scanning electron microscopy, X-ray energy dispersive spectroscopy, transmission electron microscopy, and photoluminescence measurements.

Keywords:
(YGd)2O3:Eu3+ / luminescence / nanorods / spherical particles / spray pyrolysis / rare metals
Source:
Journal of Nanoparticle Research, 2011, 13, 11, 5887-5897
Projects:
  • Synthesis, characterization and activity of organic and coordination composition and their application in (bio) nanotechnology (RS-142010)

DOI: 10.1007/s11051-010-0215-9

ISSN: 1388-0764 (Print); 1572-896X (Online)

WoS: 000297351600035

Scopus: 2-s2.0-84857039737
[ Google Scholar ]
9
8
URI
http://dais.sanu.ac.rs/123456789/711
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Mančić, Lidija
AU  - Marinković, Bojan
AU  - Marinković, Katarina
AU  - Dramićanin, Miroslav
AU  - Milošević, Olivera
PY  - 2011
UR  - http://dais.sanu.ac.rs/123456789/711
AB  - Phosphors of (Y0.75Gd0.25)2O3:Eu3+ (5 at.%) have been prepared through soft chemistry routes. Conversion of the starting nitrates mixture into oxide is performed through two approaches: (a) hydrothermal treatment (HT) at 200 °C/3 h of an ammonium hydrogen carbonate precipitated mixture and (b) by thermally decomposition of pure nitrate precursor solution at 900 °C in dispersed phase (aerosol) within a tubular flow reactor by spray pyrolysis process (SP). The powders are additionally thermally treated at different temperatures: 600, 1000, and 1100 °C for either 3 or 12 h. HT—derived particles present exclusively one-dimensional morphology (nanorods) up to the temperatures of 600 °C, while the leaf-like particles start to grow afterward. SP—derived particles maintain their spherical shape up to the temperatures of 1100 °C. These submicron sized spheres were actually composed of randomly aggregated nanoparticles. All powders exhibits cubic Ia-3 structure (Y0.75Gd0.25)2O3:Eu and have improved optical characteristics due to their nanocrystalline nature. The detailed study of the influence of structural and morphological powder characteristics on their emission properties is performed based on the results of X-ray powder diffractometry, scanning electron microscopy, X-ray energy dispersive spectroscopy, transmission electron microscopy, and photoluminescence measurements.
T2  - Journal of Nanoparticle Research
T1  - Soft chemistry routes for synthesis of rare earth oxide nanoparticles with well defined morphological and structural characteristics
SP  - 5887
EP  - 5897
VL  - 13
IS  - 11
DO  - 10.1007/s11051-010-0215-9
ER  - 
@article{
author = "Mančić, Lidija and Marinković, Bojan and Marinković, Katarina and Dramićanin, Miroslav and Milošević, Olivera",
year = "2011",
url = "http://dais.sanu.ac.rs/123456789/711",
abstract = "Phosphors of (Y0.75Gd0.25)2O3:Eu3+ (5 at.%) have been prepared through soft chemistry routes. Conversion of the starting nitrates mixture into oxide is performed through two approaches: (a) hydrothermal treatment (HT) at 200 °C/3 h of an ammonium hydrogen carbonate precipitated mixture and (b) by thermally decomposition of pure nitrate precursor solution at 900 °C in dispersed phase (aerosol) within a tubular flow reactor by spray pyrolysis process (SP). The powders are additionally thermally treated at different temperatures: 600, 1000, and 1100 °C for either 3 or 12 h. HT—derived particles present exclusively one-dimensional morphology (nanorods) up to the temperatures of 600 °C, while the leaf-like particles start to grow afterward. SP—derived particles maintain their spherical shape up to the temperatures of 1100 °C. These submicron sized spheres were actually composed of randomly aggregated nanoparticles. All powders exhibits cubic Ia-3 structure (Y0.75Gd0.25)2O3:Eu and have improved optical characteristics due to their nanocrystalline nature. The detailed study of the influence of structural and morphological powder characteristics on their emission properties is performed based on the results of X-ray powder diffractometry, scanning electron microscopy, X-ray energy dispersive spectroscopy, transmission electron microscopy, and photoluminescence measurements.",
journal = "Journal of Nanoparticle Research",
title = "Soft chemistry routes for synthesis of rare earth oxide nanoparticles with well defined morphological and structural characteristics",
pages = "5887-5897",
volume = "13",
number = "11",
doi = "10.1007/s11051-010-0215-9"
}
Mančić L, Marinković B, Marinković K, Dramićanin M, Milošević O. Soft chemistry routes for synthesis of rare earth oxide nanoparticles with well defined morphological and structural characteristics. Journal of Nanoparticle Research. 2011;13(11):5887-5897
Mančić, L., Marinković, B., Marinković, K., Dramićanin, M.,& Milošević, O. (2011). Soft chemistry routes for synthesis of rare earth oxide nanoparticles with well defined morphological and structural characteristics.
Journal of Nanoparticle Research, 13(11), 5887-5897. 
https://doi.org/10.1007/s11051-010-0215-9
Mančić Lidija, Marinković Bojan, Marinković Katarina, Dramićanin Miroslav, Milošević Olivera, "Soft chemistry routes for synthesis of rare earth oxide nanoparticles with well defined morphological and structural characteristics" 13, no. 11 (2011):5887-5897,
https://doi.org/10.1007/s11051-010-0215-9 .

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