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Statistical theory of multiple exciton generation in quantum dot solar cells

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Abstract

The high efficiency of quantum dot solar cells is determined by the so-called multiple exciton generation (MEG) effect in quantum dots when a single photon is absorbed. The present work proposes a statistical approach to the process of simultaneous generation of many excitons in quantum dots when a high-energy photon is absorbed. This approach is based on the statistical Fermi approach to simultaneous generation of elementary particles (nucleons and π-mesons) in the nucleon-nucleon collision. Analysis of the results shows that the exciton quantum yields calculated using the statistical approach agree rather well with the experimental data.

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Authors and Affiliations

  1. Institute of Polymer Chemistry and Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan

    B. L. Oksengendler, N. N. Turaeva & S. Sh. Rashidova

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  1. B. L. Oksengendler
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  2. N. N. Turaeva
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  3. S. Sh. Rashidova
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Additional information

Original Russian Text © B.L. Oksengendler, N.N. Turaeva, S.Sh. Rashidova, 2009, published in Geliotekhnika, 2009, No. 3, pp. 36–42.

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Oksengendler, B.L., Turaeva, N.N. & Rashidova, S.S. Statistical theory of multiple exciton generation in quantum dot solar cells. Appl. Sol. Energy 45, 162–165 (2009). https://doi.org/10.3103/S0003701X09030074

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  • DOI: https://doi.org/10.3103/S0003701X09030074

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