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Influence of Dithiols on Fluorescence Blinking of Colloidal Quantum Dots InP@ZnS

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Abstract

The influence of 1,6-hexanedithiol as an additional short-chain stabilizing ligand on fluorescence blinking of semiconductor colloidal quantum dots InP@ZnS has been studied using the analysis of the fluorescence decay curves. The optimum proportion of 1,6-hexanedithiol in the mixture has been determined. The influence of the thickness of the ZnS shells and the diameter of the InP core has been also studied. Correlation of these dependences with the analogous dependences for the luminescence quantum yield is observed.

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ACKNOWLEDGMENTS

This work was supported by the Ministry of Education and Science of the Russian Federation under the Program for Increasing the Competitiveness of the Moscow Institute of Physics and Technology “5–100” among the world’s leading research and educational centers for 2016–2020 (M.2.2.1 P 1) and by the Russian Foundation for Basic Research (project no. 16-03-00756).

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Authors and Affiliations

  1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow oblast, Russia

    V. Yu. Gak, M. G. Spirin, S. B. Brichkin & V. F. Razumov

  2. Moscow Institute of Physics and Technology (State University), 141701, Dolgoprudnyi, Moscow oblast, Russia

    V. Yu. Gak, M. G. Spirin, S. B. Brichkin & V. F. Razumov

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  1. V. Yu. Gak
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  2. M. G. Spirin
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  3. S. B. Brichkin
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  4. V. F. Razumov
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Correspondence to V. Yu. Gak.

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Translated by A. Tatikolov

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Gak, V.Y., Spirin, M.G., Brichkin, S.B. et al. Influence of Dithiols on Fluorescence Blinking of Colloidal Quantum Dots InP@ZnS. High Energy Chem 53, 26–30 (2019). https://doi.org/10.1134/S0018143919080010

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  • DOI: https://doi.org/10.1134/S0018143919080010

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