Semiconductors, volume 54, issue 14, pages 1900-1903
Two-Photon Exciton Absorption in CdSe/CdS Nanoplatelets Colloidal Solution
Laktaev I D
1
,
Przhiialkovskii D V
1
,
Saidzhonov B M
2
,
Vasiliev R B
2
,
Smirnov A. M.
1, 2
,
Butov O V
1
Publication type: Journal Article
Publication date: 2020-12-01
Journal:
Semiconductors
Quartile SCImago
Q3
Quartile WOS
Q4
Impact factor: 0.7
ISSN: 10637826, 10906479, 17267315, 09412751
Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
This work devotes to investigation of two-photon absorption in a colloidal solution of nanoplatelets CdSe/CdS (3.5 and 2 monolayers of CdSe core and CdS shell respectively) in the case of light- and heavy-hole exciton excitation (1lh-1e, 536 nm) and (1hh-1e, 578 nm) by femtosecond laser radiation (1064 nm, 100 kHz). An open-aperture z-scan technique was utilized to measure nonlinear two-photon absorption coefficient which was found as β = 0.08 ± 0.01 cm/GW, two-photon absorption cross sections σ(2) ≈ 1.5 × 106 GM and nonlinear refraction index γ ≈ –5 × 10–16 cm2/W. The revealed features of the measured z-scan dependencies can be the evidence of amplified spontaneous emission in the colloidal solution of CdSe/CdS nanoplatelets at high intensity of two-photon excitation.
Citations by journals
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1
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Journal of Luminescence
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Journal of Luminescence
1 publication, 50%
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Applied Physics Letters
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Applied Physics Letters
1 publication, 50%
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1
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Citations by publishers
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1
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Elsevier
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Elsevier
1 publication, 50%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
1 publication, 50%
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1
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Laktaev I. D. et al. Two-Photon Exciton Absorption in CdSe/CdS Nanoplatelets Colloidal Solution // Semiconductors. 2020. Vol. 54. No. 14. pp. 1900-1903.
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Laktaev I. D., Przhiialkovskii D. V., Saidzhonov B. M., Vasiliev R. B., Smirnov A. M., Butov O. V. Two-Photon Exciton Absorption in CdSe/CdS Nanoplatelets Colloidal Solution // Semiconductors. 2020. Vol. 54. No. 14. pp. 1900-1903.
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TY - JOUR
DO - 10.1134/S1063782620140158
UR - https://doi.org/10.1134%2FS1063782620140158
TI - Two-Photon Exciton Absorption in CdSe/CdS Nanoplatelets Colloidal Solution
T2 - Semiconductors
AU - Laktaev, I D
AU - Przhiialkovskii, D V
AU - Saidzhonov, B M
AU - Vasiliev, R B
AU - Smirnov, A. M.
AU - Butov, O V
PY - 2020
DA - 2020/12/01 00:00:00
PB - Pleiades Publishing
SP - 1900-1903
IS - 14
VL - 54
SN - 1063-7826
SN - 1090-6479
SN - 1726-7315
SN - 0941-2751
ER -
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@article{2020_Laktaev,
author = {I D Laktaev and D V Przhiialkovskii and B M Saidzhonov and R B Vasiliev and A. M. Smirnov and O V Butov},
title = {Two-Photon Exciton Absorption in CdSe/CdS Nanoplatelets Colloidal Solution},
journal = {Semiconductors},
year = {2020},
volume = {54},
publisher = {Pleiades Publishing},
month = {dec},
url = {https://doi.org/10.1134%2FS1063782620140158},
number = {14},
pages = {1900--1903},
doi = {10.1134/S1063782620140158}
}
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Laktaev, I. D., et al. “Two-Photon Exciton Absorption in CdSe/CdS Nanoplatelets Colloidal Solution.” Semiconductors, vol. 54, no. 14, Dec. 2020, pp. 1900-1903. https://doi.org/10.1134%2FS1063782620140158.
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