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Photoactivation of CdSe Quantum Nanoplatelet Luminescence

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Abstract

The impact of irradiation with higher and lower quantum energy than that corresponding to the fundamental absorption band of CdSe nanoplatelets has been studied. We show that the irradiation wavelength and oxygen strongly influence the photoluminescence of nanoplatelets. We demonstrate also that irradiation of CdSe nanoplatelets dry layers leads to a reversible change in their photoluminescence quantum yield.

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Funding

This work was supported by the Russian Science Foundation, project no. 19-13-00332.

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Authors and Affiliations

  1. ITMO University, 197101, St. Petersburg, Russia

    V. N. Smelov, V. G. Maslov, F. M. Safin, S. A. Cherevkov, A. V. Baranov & A. V. Fedorov

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  1. V. N. Smelov
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  2. V. G. Maslov
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  3. F. M. Safin
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  4. S. A. Cherevkov
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  5. A. V. Baranov
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  6. A. V. Fedorov
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Corresponding author

Correspondence to V. N. Smelov.

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The authors declare that they have no conflict of interest.

Additional information

The 2nd International School-Conference for young researchers “Smart Nanosystems for Life,” St. Petersburg, Russia, December 10–13, 2019.

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Smelov, V.N., Maslov, V.G., Safin, F.M. et al. Photoactivation of CdSe Quantum Nanoplatelet Luminescence. Opt. Spectrosc. 128, 1226–1229 (2020). https://doi.org/10.1134/S0030400X20080342

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  • DOI: https://doi.org/10.1134/S0030400X20080342

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