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Electronic and Optical Properties of Perovskite Quantum-Dot Dimer

  • QUANTUM WELLS AND QUANTUM DOTS
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Abstract

In this work, we present a comprehensive theoretical modelling of a chiral dimer made of two perovskite quantum dots (QDs). Taking into account the bright triplet exciton of QDs, we calculate the energies of the dimer’s quantum states and analyze the dependence of these energies on the dimer geometry. We also compute the circular dichroism (CD) spectra of the dimer and establish the optimal dimer parameters for maximizing its CD response. Our results show that the perovskite QD dimers feature a strong and tunable chiroptical response, making these superstructures attractive for chiral application.

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Funding

The authors acknowledge the support from the Ministry of Science and Higher Education of the Russian Federation (14.Y26.31.0028, 16.8981.2017/8.9, SP-2066.2016.1) and the Russian Science Foundation (RSF) (18-13-00200).

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Authors and Affiliations

  1. Information Optical Technologies Center, ITMO University, 199034, St. Petersburg, Russia

    N. V. Tepliakov, I. A. Vovk, M. Yu. Leonov, A. V. Baranov, A. V. Fedorov & I. D. Rukhlenko

  2. Institute of Photonics and Optical Science, School of Physics, The University of Sydney, NSW 2006, Sydney, Australia

    I. D. Rukhlenko

Authors
  1. N. V. Tepliakov
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  2. I. A. Vovk
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  3. M. Yu. Leonov
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  4. A. V. Baranov
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  5. A. V. Fedorov
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  6. I. D. Rukhlenko
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Corresponding authors

Correspondence to N. V. Tepliakov, I. A. Vovk, M. Yu. Leonov, A. V. Baranov, A. V. Fedorov or I. D. Rukhlenko.

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Tepliakov, N.V., Vovk, I.A., Leonov, M.Y. et al. Electronic and Optical Properties of Perovskite Quantum-Dot Dimer. Semiconductors 53, 2158–2161 (2019). https://doi.org/10.1134/S1063782619120303

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  • DOI: https://doi.org/10.1134/S1063782619120303

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