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Ultrafast spectroscopy of CdS/CdSe quantum dots

  • Proceedings of the XI Seminar of the International Scientific School “Fundamental Research and Innovations: Nanooptics, Photonics and Coherent Spectroscopy”
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

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.

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Authors and Affiliations

  1. Zavoisky Physical-Technical Institute, Kazan Scientific Center, Russian Academy of Sciences, Kazan, 420029, Russia

    A. G. Shmelev, A. V. Leontyev, D. K. Zharkov, V. G. Nikiforov, V. S. Lobkov & V. V. Samartsev

  2. Kazan Federal University, Kazan, 420000, Russia

    V. V. Samartsev

Authors
  1. A. G. Shmelev
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  2. A. V. Leontyev
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  3. D. K. Zharkov
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  4. V. G. Nikiforov
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  5. V. S. Lobkov
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  6. V. V. Samartsev
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Corresponding author

Correspondence to A. G. Shmelev.

Additional information

Original Russian Text © A.G. Shmelev, A.V. Leontyev, D.K. Zharkov, V.G. Nikiforov, V.S. Lobkov, V.V. Samartsev, 2017, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2017, Vol. 81, No. 5, pp. 601–605.

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Shmelev, A.G., Leontyev, A.V., Zharkov, D.K. et al. Ultrafast spectroscopy of CdS/CdSe quantum dots. Bull. Russ. Acad. Sci. Phys. 81, 557–560 (2017). https://doi.org/10.3103/S1062873817050203

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  • DOI: https://doi.org/10.3103/S1062873817050203

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