Journal of Physical Chemistry B, volume 103, issue 46, pages 10109-10113
Luminescence Properties of Thiol-Stabilized CdTe Nanocrystals
Publication type: Journal Article
Publication date: 1999-10-30
Journal:
Journal of Physical Chemistry B
Q1
Q3
SJR: 0.760
CiteScore: 5.8
Impact factor: 2.8
ISSN: 15206106, 15205207, 10895647
Materials Chemistry
Surfaces, Coatings and Films
Physical and Theoretical Chemistry
Abstract
Thiol-capped CdTe nanocrystals with cubic zinc blende structure are synthesized in aqueous solution. Their steady-state and time-resolved luminescence characteristics are studied at room and liquid nitrogen temperatures. A strong exciton luminescence peak at 2.3 eV dominates the emission spectrum of CdTe nanocrystals at room temperature, whereas the trap band centered at 2.0 eV undergoes substantial temperature quenching. Luminescence excitation spectra reveal different channels leading to radiative recombination via either excitons or traps. The mean luminescence decay time of CdTe nanocrystals at room temperature decreases from 120 ns at 1.94 eV to 20 ns at 2.43 eV. Luminescence decay kinetics of CdTe nanocrystals are strongly nonexponential and are described by extremely broad lifetime distributions lying within the range from a few hundred picoseconds to a few hundred nanoseconds.
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Kapitonov A. M. et al. Luminescence Properties of Thiol-Stabilized CdTe Nanocrystals // Journal of Physical Chemistry B. 1999. Vol. 103. No. 46. pp. 10109-10113.
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Kapitonov A. M., STUPAK A. P., Gaponenko S., Petrov E., Rogach A. L., Eychmüller A. Luminescence Properties of Thiol-Stabilized CdTe Nanocrystals // Journal of Physical Chemistry B. 1999. Vol. 103. No. 46. pp. 10109-10113.
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TY - JOUR
DO - 10.1021/jp9921809
UR - https://doi.org/10.1021/jp9921809
TI - Luminescence Properties of Thiol-Stabilized CdTe Nanocrystals
T2 - Journal of Physical Chemistry B
AU - Kapitonov, A. M.
AU - STUPAK, A. P.
AU - Gaponenko, Sergey
AU - Petrov, E.P
AU - Rogach, Andrey L.
AU - Eychmüller, Alexander
PY - 1999
DA - 1999/10/30
PB - American Chemical Society (ACS)
SP - 10109-10113
IS - 46
VL - 103
SN - 1520-6106
SN - 1520-5207
SN - 1089-5647
ER -
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BibTex (up to 50 authors)
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@article{1999_Kapitonov,
author = {A. M. Kapitonov and A. P. STUPAK and Sergey Gaponenko and E.P Petrov and Andrey L. Rogach and Alexander Eychmüller},
title = {Luminescence Properties of Thiol-Stabilized CdTe Nanocrystals},
journal = {Journal of Physical Chemistry B},
year = {1999},
volume = {103},
publisher = {American Chemical Society (ACS)},
month = {oct},
url = {https://doi.org/10.1021/jp9921809},
number = {46},
pages = {10109--10113},
doi = {10.1021/jp9921809}
}
Cite this
MLA
Copy
Kapitonov, A. M., et al. “Luminescence Properties of Thiol-Stabilized CdTe Nanocrystals.” Journal of Physical Chemistry B, vol. 103, no. 46, Oct. 1999, pp. 10109-10113. https://doi.org/10.1021/jp9921809.