Ultrafast spectroscopy of CdS/CdSe quantum dots
- Авторы: Shmelev A.G.1, Leontyev A.V.1, Zharkov D.K.1, Nikiforov V.G.1, Lobkov V.S.1, Samartsev V.V.1,2
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Учреждения:
- Zavoisky Physical-Technical Institute, Kazan Scientific Center
- Kazan Federal University
- Выпуск: Том 81, № 5 (2017)
- Страницы: 557-560
- Раздел: Proceedings of the XI Seminar of the International Scientific School “Fundamental Research and Innovations: Nanooptics, Photonics and Coherent Spectroscopy”
- URL: https://journals.rcsi.science/1062-8738/article/view/185071
- DOI: https://doi.org/10.3103/S1062873817050203
- ID: 185071
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Аннотация
Results from the nonresonance spectroscopy of CdS/CdSe quantum dots (composites of CdSe–CdS nanoparticles (core–shell)) are presented. The nonlinear optical properties of CdS/CdSe QDs in PMMA are studied with fs pulses at 1053 nm using the transient lens technique. QDs generate rapidly oscillating signals with amplitude rise times of around 200 fs and decay times of around 500 fs, while pure PMMA polymer only generates an oscillating signal whose envelope coincides with its autocorrelation function.
Об авторах
A. Shmelev
Zavoisky Physical-Technical Institute, Kazan Scientific Center
Автор, ответственный за переписку.
Email: sgartjom@gmail.com
Россия, Kazan, 420029
A. Leontyev
Zavoisky Physical-Technical Institute, Kazan Scientific Center
Email: sgartjom@gmail.com
Россия, Kazan, 420029
D. Zharkov
Zavoisky Physical-Technical Institute, Kazan Scientific Center
Email: sgartjom@gmail.com
Россия, Kazan, 420029
V. Nikiforov
Zavoisky Physical-Technical Institute, Kazan Scientific Center
Email: sgartjom@gmail.com
Россия, Kazan, 420029
V. Lobkov
Zavoisky Physical-Technical Institute, Kazan Scientific Center
Email: sgartjom@gmail.com
Россия, Kazan, 420029
V. Samartsev
Zavoisky Physical-Technical Institute, Kazan Scientific Center; Kazan Federal University
Email: sgartjom@gmail.com
Россия, Kazan, 420029; Kazan, 420000
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