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Luminescent properties of Al2O3:Tb3+ nanoparticles obtained by cw CO2 laser vaporization. / Kostyukov, Anton I.; Snytnikov, Valeriy N.; Rakhmanova, Marianna I. et al.

In: Optical Materials, Vol. 110, 110508, 12.2020.

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Kostyukov AI, Snytnikov VN, Rakhmanova MI, Kostyukova NY, Snytnikov VN. Luminescent properties of Al2O3:Tb3+ nanoparticles obtained by cw CO2 laser vaporization. Optical Materials. 2020 Dec;110:110508. doi: 10.1016/j.optmat.2020.110508

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Kostyukov, Anton I. ; Snytnikov, Valeriy N. ; Rakhmanova, Marianna I. et al. / Luminescent properties of Al2O3:Tb3+ nanoparticles obtained by cw CO2 laser vaporization. In: Optical Materials. 2020 ; Vol. 110.

BibTeX

@article{898dad47a5564004b907aacdc1210da7,
title = "Luminescent properties of Al2O3:Tb3+ nanoparticles obtained by cw CO2 laser vaporization",
abstract = "The synthesis of Al2O3:Tb3+ (0.019–0.62 mol%) nanoparticles by laser vaporization of α-Al2O3:Tb3+ ceramic targets using a cw CO2 laser in flowing helium at a pressure of 0.1 bar is reported. HRTEM, XRD and BET studies revealed that under the indicated conditions the produced Al2O3:Tb3+ nanoparticles have faceted and nearly a spherical shape with the average size below 10 nm. As shown by XRD, the phase composition of the synthesized nanoparticles is represented mostly by the low-temperature γ-Al2O3. Photoluminescence (PL) spectra were obtained for Tb3+ ions in γ-Al2O3 nanoparticles upon excitation to the 4f8 → 4f75d (λex = 230 nm), 7F6 → 5H7 (λex = 315 nm) and 5D3 → 7F3 (λex = 458 nm) transitions, and PL excitation spectra – for the most intense 5D4 → 7F5 (λmax = 543 nm) transition. The lifetime of the excited 5D4 state was found to be ca. 2.9 ms. The obtained values of the chromaticity coordinate and absolute quantum yield were (0.299, 0.509) and 12.6% at λex = 315 nm, respectively.",
keywords = "AlO:Tb nanoparticles, CO laser, Laser vaporization, Luminescence, Nanophosphor, TB3+, MATRIX, NANOPHOSPHORS, EU3+, CO2 laser, ALUMINA, Al2O3: Tb3+ nanoparticles, PHOTOLUMINESCENCE PROPERTIES, COLOR, EMISSION",
author = "Kostyukov, {Anton I.} and Snytnikov, {Valeriy N.} and Rakhmanova, {Marianna I.} and Kostyukova, {Nadezhda Y.} and Snytnikov, {Valeriy N.}",
note = "Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",
year = "2020",
month = dec,
doi = "10.1016/j.optmat.2020.110508",
language = "English",
volume = "110",
journal = "Optical Materials",
issn = "0925-3467",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Luminescent properties of Al2O3:Tb3+ nanoparticles obtained by cw CO2 laser vaporization

AU - Kostyukov, Anton I.

AU - Snytnikov, Valeriy N.

AU - Rakhmanova, Marianna I.

AU - Kostyukova, Nadezhda Y.

AU - Snytnikov, Valeriy N.

N1 - Publisher Copyright: © 2020 Elsevier B.V.

PY - 2020/12

Y1 - 2020/12

N2 - The synthesis of Al2O3:Tb3+ (0.019–0.62 mol%) nanoparticles by laser vaporization of α-Al2O3:Tb3+ ceramic targets using a cw CO2 laser in flowing helium at a pressure of 0.1 bar is reported. HRTEM, XRD and BET studies revealed that under the indicated conditions the produced Al2O3:Tb3+ nanoparticles have faceted and nearly a spherical shape with the average size below 10 nm. As shown by XRD, the phase composition of the synthesized nanoparticles is represented mostly by the low-temperature γ-Al2O3. Photoluminescence (PL) spectra were obtained for Tb3+ ions in γ-Al2O3 nanoparticles upon excitation to the 4f8 → 4f75d (λex = 230 nm), 7F6 → 5H7 (λex = 315 nm) and 5D3 → 7F3 (λex = 458 nm) transitions, and PL excitation spectra – for the most intense 5D4 → 7F5 (λmax = 543 nm) transition. The lifetime of the excited 5D4 state was found to be ca. 2.9 ms. The obtained values of the chromaticity coordinate and absolute quantum yield were (0.299, 0.509) and 12.6% at λex = 315 nm, respectively.

AB - The synthesis of Al2O3:Tb3+ (0.019–0.62 mol%) nanoparticles by laser vaporization of α-Al2O3:Tb3+ ceramic targets using a cw CO2 laser in flowing helium at a pressure of 0.1 bar is reported. HRTEM, XRD and BET studies revealed that under the indicated conditions the produced Al2O3:Tb3+ nanoparticles have faceted and nearly a spherical shape with the average size below 10 nm. As shown by XRD, the phase composition of the synthesized nanoparticles is represented mostly by the low-temperature γ-Al2O3. Photoluminescence (PL) spectra were obtained for Tb3+ ions in γ-Al2O3 nanoparticles upon excitation to the 4f8 → 4f75d (λex = 230 nm), 7F6 → 5H7 (λex = 315 nm) and 5D3 → 7F3 (λex = 458 nm) transitions, and PL excitation spectra – for the most intense 5D4 → 7F5 (λmax = 543 nm) transition. The lifetime of the excited 5D4 state was found to be ca. 2.9 ms. The obtained values of the chromaticity coordinate and absolute quantum yield were (0.299, 0.509) and 12.6% at λex = 315 nm, respectively.

KW - AlO:Tb nanoparticles

KW - CO laser

KW - Laser vaporization

KW - Luminescence

KW - Nanophosphor

KW - TB3+

KW - MATRIX

KW - NANOPHOSPHORS

KW - EU3+

KW - CO2 laser

KW - ALUMINA

KW - Al2O3: Tb3+ nanoparticles

KW - PHOTOLUMINESCENCE PROPERTIES

KW - COLOR

KW - EMISSION

UR - http://www.scopus.com/inward/record.url?scp=85092284374&partnerID=8YFLogxK

U2 - 10.1016/j.optmat.2020.110508

DO - 10.1016/j.optmat.2020.110508

M3 - Article

AN - SCOPUS:85092284374

VL - 110

JO - Optical Materials

JF - Optical Materials

SN - 0925-3467

M1 - 110508

ER -

ID: 25614460