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On Stabilization of Colloidal Quantum Dots of Cadmium Selenide in the Presence of Octadecylphosphonic Acid

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Abstract

Classical molecular dynamics has been used to study the stabilization of colloidal quantum dots of CdSe with n-octadecylphosphonic acid molecules in combination with different auxiliary ligands, such as trioctylphosphine, trioctylphosphine oxide, and hexadecylamine. The effects of different ligands that may be formed due to interactions of n-octadecylphosphonic acid with CdO and Se in an initial mixture have been considered. It has been shown that, among these ligands, the stabilizing effect increases with a rise in the charge of a ligand per n-octadecyl chain. The role of the auxiliary ligands, e.g. octadecene that devoid of functional groups, has been studied.

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Authors and Affiliations

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

    A. V. Nevidimov & V. F. Razumov

Authors
  1. A. V. Nevidimov
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  2. V. F. Razumov
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Correspondence to A. V. Nevidimov.

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Original Russian Text © A.V. Nevidimov, V.F. Razumov, 2018, published in Kolloidnyi Zhurnal, 2018, Vol. 80, No. 1, pp. 78–85.

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Nevidimov, A.V., Razumov, V.F. On Stabilization of Colloidal Quantum Dots of Cadmium Selenide in the Presence of Octadecylphosphonic Acid. Colloid J 80, 73–80 (2018). https://doi.org/10.1134/S1061933X18010088

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  • DOI: https://doi.org/10.1134/S1061933X18010088

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