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The effect of an external electric field on photoluminescence of CdSe colloidal nanoparticles of different topologies

Optics and Spectroscopy volume 122, pages 83–87 (2017)Cite this article

Abstract

Photoluminescence of CdSe colloidal nanocrystals of different topologies in an external electric field has been studied. It has been found that quenching of photoluminescence, which takes place in quantum dots, is proportional to the square of the field, and in elongated nanocrystals quenching of photoluminescence is proportional to the square root. A physical model of the mechanism of quenching based on tunneling of free charges through potential barrier nanocrystal/matrix has been proposed.

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Authors and Affiliations

  1. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, 220072, Belarus

    A. O. Muravitskaya, L. I. Gurinovich & S. V. Gaponenko

  2. Research Institute of Physical and Chemical Problems of Belarusian State University, Leningradskaya ul. 14, Minsk, 220006, Belarus

    A. V. Prudnikau & M. V. Artemyev

Authors
  1. A. O. Muravitskaya
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  2. L. I. Gurinovich
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  3. A. V. Prudnikau
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  4. M. V. Artemyev
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  5. S. V. Gaponenko
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Correspondence to A. O. Muravitskaya.

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Original Russian Text © A.O. Muravitskaya, L.I. Gurinovich, A.V. Prudnikau, M.V. Artemyev, S.V. Gaponenko, 2017, published in Optika i Spektroskopiya, 2017, Vol. 122, No. 1, pp. 91–95.

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Muravitskaya, A.O., Gurinovich, L.I., Prudnikau, A.V. et al. The effect of an external electric field on photoluminescence of CdSe colloidal nanoparticles of different topologies. Opt. Spectrosc. 122, 83–87 (2017). https://doi.org/10.1134/S0030400X17010192

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  • DOI: https://doi.org/10.1134/S0030400X17010192