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Structural, morphological and luminescence properties of nanocrystalline up-converting Y1.89Yb0.1Er0.01O3 phosphor particles synthesized through aerosol route

Authorized Users Only
2013
Authors
Lojpur, Vesna
Mančić, Lidija
Rabanal, Maria Eugenia
Dramićanin, Miroslav
Tan, Z.
Hashishin, Takeshi
Ohara, Satoshi
Milošević, Olivera
Article (Published version)
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Abstract
Nanocrystalline up-converting Y2O3:Yb3+, Er3+ phosphor particles were processed in a dispersed system-aerosol, generated ultrasonically at 1.3 MHz from common nitrate precursor solution having fixed ytterbium-to-erbium concentration ratio. The appropriate process parameters: residence time 21 s, carrier gas (air) flow rate 1.6 dm3/min, synthesis temperature 900 °C, led to the formation of un-agglomerated spherical nanostructured secondary particles, having mean particle size of approx 450 nm, composed of primary nanoscaled (20 nm) subunits. In order to reach targeting phase crystallinity, the as-prepared particles were additionally annealed at 1100 °C in air for 12, 24 and 48 h, respectively. Particle structure, morphology and purity were analyzed by X-ray powder diffraction (XRPD), scanning electron microscopy (FESEM/SEM), analytical and high resolution transmission electron microscopy (TEM/HRTEM) in combination with energy dispersive X-ray analysis and Fourier Transform Infrared Spec...troscopy (FTIR). All samples crystallized in a cubic bixbyte-structure, space group Ia-3. The crystallite size changed with annealing time from 30 nm in as-prepared sample to 135 nm in sample annealed for 48 h, respectively. Emission spectra were assigned to the following trivalent erbium f–f electronic transitions: 2H9/2 → 4I15/2 (blue: 407–420 nm), (2H11/2, 4S3/2) → 4I15/2 (green: 510–590 nm), and 4F9/2 → 4I15/2 (red: 640–720 nm). The significant improvement of the emission decay times were observed after thermal treatment and this effect is correlated further with the structural and morphological particles characteristics. For the annealing time of 12 h a quite high emission decay times were achieved (blue: 0.14 ms, green: 0.32 ms and red: 0.39 ms).

Keywords:
aerosol processing / nanoparticles / Y2O3 / up-conversion / decay time
Source:
Journal of Alloys and Compounds, 2013, 580, 584-591
Publisher:
  • Elsevier
Funding / projects:
  • Rational design and synthesis of biologically active and coordination compounds and functional materials, relevant for (bio)nanotechnology (RS-172035)
  • University Carlos III (Madrid, Spain) and the Santander Bank Chairs of Excellence Programme
  • JSPS 2011/2012 fellowship, Japan

DOI: 10.1016/j.jallcom.2013.07.125

ISSN: 0925-8388

WoS: 000324525800092

Scopus: 2-s2.0-84882315913
[ Google Scholar ]
11
Handle
https://hdl.handle.net/21.15107/rcub_dais_359
URI
https://dais.sanu.ac.rs/123456789/359
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Lojpur, Vesna
AU  - Mančić, Lidija
AU  - Rabanal, Maria Eugenia
AU  - Dramićanin, Miroslav
AU  - Tan, Z.
AU  - Hashishin, Takeshi
AU  - Ohara, Satoshi
AU  - Milošević, Olivera
PY  - 2013
UR  - https://dais.sanu.ac.rs/123456789/359
AB  - Nanocrystalline up-converting Y2O3:Yb3+, Er3+ phosphor particles were processed in a dispersed system-aerosol, generated ultrasonically at 1.3 MHz from common nitrate precursor solution having fixed ytterbium-to-erbium concentration ratio. The appropriate process parameters: residence time 21 s, carrier gas (air) flow rate 1.6 dm3/min, synthesis temperature 900 °C, led to the formation of un-agglomerated spherical nanostructured secondary particles, having mean particle size of approx 450 nm, composed of primary nanoscaled (20 nm) subunits. In order to reach targeting phase crystallinity, the as-prepared particles were additionally annealed at 1100 °C in air for 12, 24 and 48 h, respectively. Particle structure, morphology and purity were analyzed by X-ray powder diffraction (XRPD), scanning electron microscopy (FESEM/SEM), analytical and high resolution transmission electron microscopy (TEM/HRTEM) in combination with energy dispersive X-ray analysis and Fourier Transform Infrared Spectroscopy (FTIR). All samples crystallized in a cubic bixbyte-structure, space group Ia-3. The crystallite size changed with annealing time from 30 nm in as-prepared sample to 135 nm in sample annealed for 48 h, respectively. Emission spectra were assigned to the following trivalent erbium f–f electronic transitions: 2H9/2 → 4I15/2 (blue: 407–420 nm), (2H11/2, 4S3/2) → 4I15/2 (green: 510–590 nm), and 4F9/2 → 4I15/2 (red: 640–720 nm). The significant improvement of the emission decay times were observed after thermal treatment and this effect is correlated further with the structural and morphological particles characteristics. For the annealing time of 12 h a quite high emission decay times were achieved (blue: 0.14 ms, green: 0.32 ms and red: 0.39 ms).
PB  - Elsevier
T2  - Journal of Alloys and Compounds
T1  - Structural, morphological and luminescence properties of nanocrystalline up-converting Y1.89Yb0.1Er0.01O3 phosphor particles synthesized through aerosol route
SP  - 584
EP  - 591
VL  - 580
DO  - 10.1016/j.jallcom.2013.07.125
UR  - https://hdl.handle.net/21.15107/rcub_dais_359
ER  - 
@article{
author = "Lojpur, Vesna and Mančić, Lidija and Rabanal, Maria Eugenia and Dramićanin, Miroslav and Tan, Z. and Hashishin, Takeshi and Ohara, Satoshi and Milošević, Olivera",
year = "2013",
abstract = "Nanocrystalline up-converting Y2O3:Yb3+, Er3+ phosphor particles were processed in a dispersed system-aerosol, generated ultrasonically at 1.3 MHz from common nitrate precursor solution having fixed ytterbium-to-erbium concentration ratio. The appropriate process parameters: residence time 21 s, carrier gas (air) flow rate 1.6 dm3/min, synthesis temperature 900 °C, led to the formation of un-agglomerated spherical nanostructured secondary particles, having mean particle size of approx 450 nm, composed of primary nanoscaled (20 nm) subunits. In order to reach targeting phase crystallinity, the as-prepared particles were additionally annealed at 1100 °C in air for 12, 24 and 48 h, respectively. Particle structure, morphology and purity were analyzed by X-ray powder diffraction (XRPD), scanning electron microscopy (FESEM/SEM), analytical and high resolution transmission electron microscopy (TEM/HRTEM) in combination with energy dispersive X-ray analysis and Fourier Transform Infrared Spectroscopy (FTIR). All samples crystallized in a cubic bixbyte-structure, space group Ia-3. The crystallite size changed with annealing time from 30 nm in as-prepared sample to 135 nm in sample annealed for 48 h, respectively. Emission spectra were assigned to the following trivalent erbium f–f electronic transitions: 2H9/2 → 4I15/2 (blue: 407–420 nm), (2H11/2, 4S3/2) → 4I15/2 (green: 510–590 nm), and 4F9/2 → 4I15/2 (red: 640–720 nm). The significant improvement of the emission decay times were observed after thermal treatment and this effect is correlated further with the structural and morphological particles characteristics. For the annealing time of 12 h a quite high emission decay times were achieved (blue: 0.14 ms, green: 0.32 ms and red: 0.39 ms).",
publisher = "Elsevier",
journal = "Journal of Alloys and Compounds",
title = "Structural, morphological and luminescence properties of nanocrystalline up-converting Y1.89Yb0.1Er0.01O3 phosphor particles synthesized through aerosol route",
pages = "584-591",
volume = "580",
doi = "10.1016/j.jallcom.2013.07.125",
url = "https://hdl.handle.net/21.15107/rcub_dais_359"
}
Lojpur, V., Mančić, L., Rabanal, M. E., Dramićanin, M., Tan, Z., Hashishin, T., Ohara, S.,& Milošević, O.. (2013). Structural, morphological and luminescence properties of nanocrystalline up-converting Y1.89Yb0.1Er0.01O3 phosphor particles synthesized through aerosol route. in Journal of Alloys and Compounds
Elsevier., 580, 584-591.
https://doi.org/10.1016/j.jallcom.2013.07.125
https://hdl.handle.net/21.15107/rcub_dais_359
Lojpur V, Mančić L, Rabanal ME, Dramićanin M, Tan Z, Hashishin T, Ohara S, Milošević O. Structural, morphological and luminescence properties of nanocrystalline up-converting Y1.89Yb0.1Er0.01O3 phosphor particles synthesized through aerosol route. in Journal of Alloys and Compounds. 2013;580:584-591.
doi:10.1016/j.jallcom.2013.07.125
https://hdl.handle.net/21.15107/rcub_dais_359 .
Lojpur, Vesna, Mančić, Lidija, Rabanal, Maria Eugenia, Dramićanin, Miroslav, Tan, Z., Hashishin, Takeshi, Ohara, Satoshi, Milošević, Olivera, "Structural, morphological and luminescence properties of nanocrystalline up-converting Y1.89Yb0.1Er0.01O3 phosphor particles synthesized through aerosol route" in Journal of Alloys and Compounds, 580 (2013):584-591,
https://doi.org/10.1016/j.jallcom.2013.07.125 .,
https://hdl.handle.net/21.15107/rcub_dais_359 .

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