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Size-dependent photoluminescence of europium in alumina nanoparticles synthesized by cw CO2 laser vaporization. / Kostyukov, Anton I.; Snytnikov, Vladimir N.; Zhuzhgov, Aleksey V. и др.

в: Journal of Alloys and Compounds, Том 815, 152476, 30.01.2020.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Kostyukov, AI, Snytnikov, VN, Zhuzhgov, AV, Cherepanova, SV, Ishchenko, AV, Baronskiy, MG & Snytnikov, VN 2020, 'Size-dependent photoluminescence of europium in alumina nanoparticles synthesized by cw CO2 laser vaporization', Journal of Alloys and Compounds, Том. 815, 152476. https://doi.org/10.1016/j.jallcom.2019.152476

APA

Kostyukov, A. I., Snytnikov, V. N., Zhuzhgov, A. V., Cherepanova, S. V., Ishchenko, A. V., Baronskiy, M. G., & Snytnikov, V. N. (2020). Size-dependent photoluminescence of europium in alumina nanoparticles synthesized by cw CO2 laser vaporization. Journal of Alloys and Compounds, 815, [152476]. https://doi.org/10.1016/j.jallcom.2019.152476

Vancouver

Kostyukov AI, Snytnikov VN, Zhuzhgov AV, Cherepanova SV, Ishchenko AV, Baronskiy MG и др. Size-dependent photoluminescence of europium in alumina nanoparticles synthesized by cw CO2 laser vaporization. Journal of Alloys and Compounds. 2020 янв. 30;815:152476. doi: 10.1016/j.jallcom.2019.152476

Author

Kostyukov, Anton I. ; Snytnikov, Vladimir N. ; Zhuzhgov, Aleksey V. и др. / Size-dependent photoluminescence of europium in alumina nanoparticles synthesized by cw CO2 laser vaporization. в: Journal of Alloys and Compounds. 2020 ; Том 815.

BibTeX

@article{47bb91e7c9b442a5a372b6ad7d710f39,
title = "Size-dependent photoluminescence of europium in alumina nanoparticles synthesized by cw CO2 laser vaporization",
abstract = "Nanosized Eu/γ- and/or η-Al2O3 ([Eu2О3] = 0.00, 0.02, 0.45 and 0.92 wt%) powders with the particle size from <10 nm to 21 nm synthesized by cw CO2 laser vaporization were studied. It was shown that photoluminescence (PL) properties of the obtained samples are caused by luminescence of the Eu3+ and Eu2+ ions incorporated to the Al2O3 matrix in crystallographic positions with the C3v local symmetry. A scheme based on the formation of Eu2+ ions in the Al2O3 lattice via the charge compensation by oxygen vacancies (F centers) located in the first coordination sphere of europium was proposed. The influence of size effects on PL of Eu/Al2O3 nanoparticles consists first of all in shortening the lifetime of 4f – 4f transitions in Eu3+ ions as a result of increased probability of nonradiative relaxation owing to OH groups and various structural defects. It was found that the conditions of laser vaporization (gas composition and pressure) can change the structure of the resulting Eu/Al2O3 nanoparticles.",
keywords = "Defects, Laser vaporization, Nanosized AlO, Photoluminescence of Eu and Eu, OPTICAL-PROPERTIES, EU3+, LUMINESCENCE PROPERTIES, IONS, Nanosized Al2O3, GAMMA-ALUMINA, Photoluminescence of Eu3+ and Eu2+, RARE-EARTH, LASER SPECTROSCOPY, CHARGE-TRANSFER ENERGY, NANOCRYSTALLINE EU2O3, SPECTRA",
author = "Kostyukov, {Anton I.} and Snytnikov, {Vladimir N.} and Zhuzhgov, {Aleksey V.} and Cherepanova, {Svetlana V.} and Ishchenko, {Arcady V.} and Baronskiy, {Mark G.} and Snytnikov, {Vladimir N.}",
note = "Funding Information: The study was supported by the Russian Foundation for Basic Research , Project No. 18-03-00087 A , and by the basic budgetary funding ( Boreskov Institute of Catalysis SB RAS ). Publisher Copyright: {\textcopyright} 2019 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",
year = "2020",
month = jan,
day = "30",
doi = "10.1016/j.jallcom.2019.152476",
language = "English",
volume = "815",
journal = "Journal of Alloys and Compounds",
issn = "0925-8388",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Size-dependent photoluminescence of europium in alumina nanoparticles synthesized by cw CO2 laser vaporization

AU - Kostyukov, Anton I.

AU - Snytnikov, Vladimir N.

AU - Zhuzhgov, Aleksey V.

AU - Cherepanova, Svetlana V.

AU - Ishchenko, Arcady V.

AU - Baronskiy, Mark G.

AU - Snytnikov, Vladimir N.

N1 - Funding Information: The study was supported by the Russian Foundation for Basic Research , Project No. 18-03-00087 A , and by the basic budgetary funding ( Boreskov Institute of Catalysis SB RAS ). Publisher Copyright: © 2019 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/1/30

Y1 - 2020/1/30

N2 - Nanosized Eu/γ- and/or η-Al2O3 ([Eu2О3] = 0.00, 0.02, 0.45 and 0.92 wt%) powders with the particle size from <10 nm to 21 nm synthesized by cw CO2 laser vaporization were studied. It was shown that photoluminescence (PL) properties of the obtained samples are caused by luminescence of the Eu3+ and Eu2+ ions incorporated to the Al2O3 matrix in crystallographic positions with the C3v local symmetry. A scheme based on the formation of Eu2+ ions in the Al2O3 lattice via the charge compensation by oxygen vacancies (F centers) located in the first coordination sphere of europium was proposed. The influence of size effects on PL of Eu/Al2O3 nanoparticles consists first of all in shortening the lifetime of 4f – 4f transitions in Eu3+ ions as a result of increased probability of nonradiative relaxation owing to OH groups and various structural defects. It was found that the conditions of laser vaporization (gas composition and pressure) can change the structure of the resulting Eu/Al2O3 nanoparticles.

AB - Nanosized Eu/γ- and/or η-Al2O3 ([Eu2О3] = 0.00, 0.02, 0.45 and 0.92 wt%) powders with the particle size from <10 nm to 21 nm synthesized by cw CO2 laser vaporization were studied. It was shown that photoluminescence (PL) properties of the obtained samples are caused by luminescence of the Eu3+ and Eu2+ ions incorporated to the Al2O3 matrix in crystallographic positions with the C3v local symmetry. A scheme based on the formation of Eu2+ ions in the Al2O3 lattice via the charge compensation by oxygen vacancies (F centers) located in the first coordination sphere of europium was proposed. The influence of size effects on PL of Eu/Al2O3 nanoparticles consists first of all in shortening the lifetime of 4f – 4f transitions in Eu3+ ions as a result of increased probability of nonradiative relaxation owing to OH groups and various structural defects. It was found that the conditions of laser vaporization (gas composition and pressure) can change the structure of the resulting Eu/Al2O3 nanoparticles.

KW - Defects

KW - Laser vaporization

KW - Nanosized AlO

KW - Photoluminescence of Eu and Eu

KW - OPTICAL-PROPERTIES

KW - EU3+

KW - LUMINESCENCE PROPERTIES

KW - IONS

KW - Nanosized Al2O3

KW - GAMMA-ALUMINA

KW - Photoluminescence of Eu3+ and Eu2+

KW - RARE-EARTH

KW - LASER SPECTROSCOPY

KW - CHARGE-TRANSFER ENERGY

KW - NANOCRYSTALLINE EU2O3

KW - SPECTRA

UR - http://www.scopus.com/inward/record.url?scp=85072755711&partnerID=8YFLogxK

U2 - 10.1016/j.jallcom.2019.152476

DO - 10.1016/j.jallcom.2019.152476

M3 - Article

AN - SCOPUS:85072755711

VL - 815

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

M1 - 152476

ER -

ID: 21792444