Photoluminescent Properties of Nanostructured Y2O3:Eu3+ and (Y1-xGdx)2O3:Eu3+ Powders Obtained by Aerosol Synthesis
Authors
Marinković, KatarinaMančić, Lidija
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Gómez, Luz Stella
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Rabanal, Maria Eugenia
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Dramićanin, Miroslav
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Milošević, Olivera
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The nanostructured phosphor particles of Y2O3:Eu3+ and (Y1-xGdx)2O3:Eu3+ (x=0.25, 0.50, 0.75) systems were synthesized through aerosol method. The corresponding nitrate solutions were ultrasonically atomized (1.3MHz) and the obtained aerosol was decomposed at 900°C. The as-prepared powders were thermally treated at 1000- 1200°C/12h. The employed synthesis method assured formation of spherical, full, nonagglomerated and polycrystalline materials with crystallite size around 20nm. Powders structural and morphological features were investigated by means of XRD, SEM, TEM/SAED and HRTEM/FFT methods. Functional properties were examined through photoluminescent analysis. A detail study of the emission spectra after excitation with 393nm wavelength and of the decay lifetimes for Eu3+ ion 5D0 and 5D1 levels gave an insight into improved luminescent properties of the obtained powders. The emission spectra showed typical Eu3+ 5D0→7Fi (i=1, 2, 3, 4) transitions with dominant red emission at 611nm,... while the lifetime measurements gave an insight into the effect of dopant concentration (5 and 10 at%) and its distribution into host lattice according to the applied thermal treatment. Additionally, luminescent properties were correlated with the obtained structural and morphological features of the synthesized powders.
Keywords:
photoluminescence / nanostructured materials / phosphor / aerosol synthesisSource:
Book of abstracts / 2nd International Conference on Physics of Optical Materilas and Devices : ICOM 2009, Herceg Novi, Montenegro, August 26th - September 1st, 2009, 2009, 82-82Publisher:
- Belgrade : Vinča Institute of Nuclear Sciences
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https://hdl.handle.net/21.15107/rcub_dais_264
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Институт техничких наука САНУ / Institute of Technical Sciences of SASATY - CONF AU - Marinković, Katarina AU - Mančić, Lidija AU - Gómez, Luz Stella AU - Rabanal, Maria Eugenia AU - Dramićanin, Miroslav AU - Milošević, Olivera PY - 2009 UR - https://dais.sanu.ac.rs/123456789/14843 AB - The nanostructured phosphor particles of Y2O3:Eu3+ and (Y1-xGdx)2O3:Eu3+ (x=0.25, 0.50, 0.75) systems were synthesized through aerosol method. The corresponding nitrate solutions were ultrasonically atomized (1.3MHz) and the obtained aerosol was decomposed at 900°C. The as-prepared powders were thermally treated at 1000- 1200°C/12h. The employed synthesis method assured formation of spherical, full, nonagglomerated and polycrystalline materials with crystallite size around 20nm. Powders structural and morphological features were investigated by means of XRD, SEM, TEM/SAED and HRTEM/FFT methods. Functional properties were examined through photoluminescent analysis. A detail study of the emission spectra after excitation with 393nm wavelength and of the decay lifetimes for Eu3+ ion 5D0 and 5D1 levels gave an insight into improved luminescent properties of the obtained powders. The emission spectra showed typical Eu3+ 5D0→7Fi (i=1, 2, 3, 4) transitions with dominant red emission at 611nm, while the lifetime measurements gave an insight into the effect of dopant concentration (5 and 10 at%) and its distribution into host lattice according to the applied thermal treatment. Additionally, luminescent properties were correlated with the obtained structural and morphological features of the synthesized powders. PB - Belgrade : Vinča Institute of Nuclear Sciences C3 - Book of abstracts / 2nd International Conference on Physics of Optical Materilas and Devices : ICOM 2009, Herceg Novi, Montenegro, August 26th - September 1st, 2009 T1 - Photoluminescent Properties of Nanostructured Y2O3:Eu3+ and (Y1-xGdx)2O3:Eu3+ Powders Obtained by Aerosol Synthesis SP - 82 EP - 82 UR - https://hdl.handle.net/21.15107/rcub_dais_14843 ER -
@conference{ author = "Marinković, Katarina and Mančić, Lidija and Gómez, Luz Stella and Rabanal, Maria Eugenia and Dramićanin, Miroslav and Milošević, Olivera", year = "2009", abstract = "The nanostructured phosphor particles of Y2O3:Eu3+ and (Y1-xGdx)2O3:Eu3+ (x=0.25, 0.50, 0.75) systems were synthesized through aerosol method. The corresponding nitrate solutions were ultrasonically atomized (1.3MHz) and the obtained aerosol was decomposed at 900°C. The as-prepared powders were thermally treated at 1000- 1200°C/12h. The employed synthesis method assured formation of spherical, full, nonagglomerated and polycrystalline materials with crystallite size around 20nm. Powders structural and morphological features were investigated by means of XRD, SEM, TEM/SAED and HRTEM/FFT methods. Functional properties were examined through photoluminescent analysis. A detail study of the emission spectra after excitation with 393nm wavelength and of the decay lifetimes for Eu3+ ion 5D0 and 5D1 levels gave an insight into improved luminescent properties of the obtained powders. The emission spectra showed typical Eu3+ 5D0→7Fi (i=1, 2, 3, 4) transitions with dominant red emission at 611nm, while the lifetime measurements gave an insight into the effect of dopant concentration (5 and 10 at%) and its distribution into host lattice according to the applied thermal treatment. Additionally, luminescent properties were correlated with the obtained structural and morphological features of the synthesized powders.", publisher = "Belgrade : Vinča Institute of Nuclear Sciences", journal = "Book of abstracts / 2nd International Conference on Physics of Optical Materilas and Devices : ICOM 2009, Herceg Novi, Montenegro, August 26th - September 1st, 2009", title = "Photoluminescent Properties of Nanostructured Y2O3:Eu3+ and (Y1-xGdx)2O3:Eu3+ Powders Obtained by Aerosol Synthesis", pages = "82-82", url = "https://hdl.handle.net/21.15107/rcub_dais_14843" }
Marinković, K., Mančić, L., Gómez, L. S., Rabanal, M. E., Dramićanin, M.,& Milošević, O.. (2009). Photoluminescent Properties of Nanostructured Y2O3:Eu3+ and (Y1-xGdx)2O3:Eu3+ Powders Obtained by Aerosol Synthesis. in Book of abstracts / 2nd International Conference on Physics of Optical Materilas and Devices : ICOM 2009, Herceg Novi, Montenegro, August 26th - September 1st, 2009 Belgrade : Vinča Institute of Nuclear Sciences., 82-82. https://hdl.handle.net/21.15107/rcub_dais_14843
Marinković K, Mančić L, Gómez LS, Rabanal ME, Dramićanin M, Milošević O. Photoluminescent Properties of Nanostructured Y2O3:Eu3+ and (Y1-xGdx)2O3:Eu3+ Powders Obtained by Aerosol Synthesis. in Book of abstracts / 2nd International Conference on Physics of Optical Materilas and Devices : ICOM 2009, Herceg Novi, Montenegro, August 26th - September 1st, 2009. 2009;:82-82. https://hdl.handle.net/21.15107/rcub_dais_14843 .
Marinković, Katarina, Mančić, Lidija, Gómez, Luz Stella, Rabanal, Maria Eugenia, Dramićanin, Miroslav, Milošević, Olivera, "Photoluminescent Properties of Nanostructured Y2O3:Eu3+ and (Y1-xGdx)2O3:Eu3+ Powders Obtained by Aerosol Synthesis" in Book of abstracts / 2nd International Conference on Physics of Optical Materilas and Devices : ICOM 2009, Herceg Novi, Montenegro, August 26th - September 1st, 2009 (2009):82-82, https://hdl.handle.net/21.15107/rcub_dais_14843 .