ACS Photonics, volume 4, issue 6, pages 1459-1465

Sodium Chloride Protected CdHgTe Quantum Dot Based Solid-State Near-Infrared Luminophore for Light-Emitting Devices and Luminescence Thermometry

S. M. Kalytchuk 1, 2
Adam Marcus 3
ONDŘEJ TOMANEC 1
Publication typeJournal Article
Publication date2017-05-25
Journal: ACS Photonics
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor7
ISSN23304022, 23304022
Electronic, Optical and Magnetic Materials
Biotechnology
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering
Abstract
Solid-state luminophores operating in the near-infrared (NIR) region may have applications in sensing, communication, and medicine. We report environmentally protected solid-state NIR-emitting luminophores fabricated by embedding CdHgTe colloidal quantum dots (QDs) into a NaCl matrix, with remarkable photo- and thermal stability and a photoluminescence quantum yield of 31% in the solid state, which is among the highest reported for solid-state NIR luminophores so far. We employed this luminophore as a down-conversion layer in a NIR-light-emitting device with a stable emission at 940 nm. Carrier recombination dynamics of the CdHgTe QDs@NaCl powders are examined as a function of temperature using steady-state and transient photoluminescence spectroscopy, and characteristic parameters such as the band gap, the temperature coefficient, the Debye temperature, the activation energy of thermal quenching, and radiative and nonradiative recombination rates are derived. Temperature-dependent changes of the spectral...

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Kalytchuk S. M. et al. Sodium Chloride Protected CdHgTe Quantum Dot Based Solid-State Near-Infrared Luminophore for Light-Emitting Devices and Luminescence Thermometry // ACS Photonics. 2017. Vol. 4. No. 6. pp. 1459-1465.
GOST all authors (up to 50) Copy
Kalytchuk S. M., Marcus A., TOMANEC O., Zbořil R., Gaponik N., Rogach A. L. Sodium Chloride Protected CdHgTe Quantum Dot Based Solid-State Near-Infrared Luminophore for Light-Emitting Devices and Luminescence Thermometry // ACS Photonics. 2017. Vol. 4. No. 6. pp. 1459-1465.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/acsphotonics.7b00222
UR - https://doi.org/10.1021/acsphotonics.7b00222
TI - Sodium Chloride Protected CdHgTe Quantum Dot Based Solid-State Near-Infrared Luminophore for Light-Emitting Devices and Luminescence Thermometry
T2 - ACS Photonics
AU - Marcus, Adam
AU - Kalytchuk, S. M.
AU - Zbořil, Radek
AU - Gaponik, Nikolai
AU - Rogach, Andrey L.
AU - TOMANEC, ONDŘEJ
PY - 2017
DA - 2017/05/25 00:00:00
PB - American Chemical Society (ACS)
SP - 1459-1465
IS - 6
VL - 4
SN - 2330-4022
SN - 2330-4022
ER -
BibTex |
Cite this
BibTex Copy
@article{2017_Kalytchuk,
author = {Adam Marcus and S. M. Kalytchuk and Radek Zbořil and Nikolai Gaponik and Andrey L. Rogach and ONDŘEJ TOMANEC},
title = {Sodium Chloride Protected CdHgTe Quantum Dot Based Solid-State Near-Infrared Luminophore for Light-Emitting Devices and Luminescence Thermometry},
journal = {ACS Photonics},
year = {2017},
volume = {4},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/acsphotonics.7b00222},
number = {6},
pages = {1459--1465},
doi = {10.1021/acsphotonics.7b00222}
}
MLA
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MLA Copy
Kalytchuk, S. M., et al. “Sodium Chloride Protected CdHgTe Quantum Dot Based Solid-State Near-Infrared Luminophore for Light-Emitting Devices and Luminescence Thermometry.” ACS Photonics, vol. 4, no. 6, May. 2017, pp. 1459-1465. https://doi.org/10.1021/acsphotonics.7b00222.
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