Journal of Luminescence, volume 143, pages 418-422

Wavelength-tunable absorption and luminescence of SiO2–Al2O3–ZnO–Na2O–K2O–NaF glasses with PbS quantum dots

Publication typeJournal Article
Publication date2013-11-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.6
ISSN00222313
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
Lead sulfide quantum dots (QDs) with average diameter of 3.0–6.5 nm were grown in novel SiO2–Al2O3–ZnO–Na2O–K2O–NaF glasses highly-doped with PbO and elemental sulfur by means of single-stage heat-treatment at temperatures slightly lower the vitrification point. Introduction of two alkaline components to the glass system allows us to perform the synthesis without control of sulfur evaporation, while stabilization of PbS crystal nuclei was provided by addition of NaF. Optical absorption and photoluminescence of these PbS-QD-doped glasses were studied in dependence on treatment temperature (480–520 °C) and duration (5–130 h). The growth rate of QDs was substantially enhanced with the increase of treatment temperature. The position of 1S–1S excitonic absorption peak was tuned from 0.75 to 1.6 μm, accompanied by management of peak absorption within 7–45 cm−1 range. Intense Gaussian-shaped photoluminescence associated with radiative exciton recombination from 1S–1S state was observed in 1.1–1.6 μm spectral range.

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Loiko P. et al. Wavelength-tunable absorption and luminescence of SiO2–Al2O3–ZnO–Na2O–K2O–NaF glasses with PbS quantum dots // Journal of Luminescence. 2013. Vol. 143. pp. 418-422.
GOST all authors (up to 50) Copy
Loiko P., Rachkovskaya G. E., Zacharevich G. B., Yumashev K. Wavelength-tunable absorption and luminescence of SiO2–Al2O3–ZnO–Na2O–K2O–NaF glasses with PbS quantum dots // Journal of Luminescence. 2013. Vol. 143. pp. 418-422.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jlumin.2013.05.057
UR - https://doi.org/10.1016/j.jlumin.2013.05.057
TI - Wavelength-tunable absorption and luminescence of SiO2–Al2O3–ZnO–Na2O–K2O–NaF glasses with PbS quantum dots
T2 - Journal of Luminescence
AU - Loiko, Pavel
AU - Rachkovskaya, G E
AU - Zacharevich, G B
AU - Yumashev, K.V.
PY - 2013
DA - 2013/11/01 00:00:00
PB - Elsevier
SP - 418-422
VL - 143
SN - 0022-2313
ER -
BibTex
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BibTex Copy
@article{2013_Loiko,
author = {Pavel Loiko and G E Rachkovskaya and G B Zacharevich and K.V. Yumashev},
title = {Wavelength-tunable absorption and luminescence of SiO2–Al2O3–ZnO–Na2O–K2O–NaF glasses with PbS quantum dots},
journal = {Journal of Luminescence},
year = {2013},
volume = {143},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.jlumin.2013.05.057},
pages = {418--422},
doi = {10.1016/j.jlumin.2013.05.057}
}
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