Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory

Sergey I. Pokutnyi

doi:doi:10.11648/j.optics.s.2014030601.12

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Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory

Sergey I. Pokutnyi

Published in Optics (Volume 3, Issue 6-1)

Received: 9 July 2014 Accepted: 15 July 2014 Published: 31 July 2014

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Abstract

The theory of exciton states in a quantum dot under conditions of dominating polarization interaction of an electron and a hole with a spherical (quantum dot – dielectric matrix) interface is developed. An shown, that the energy spectrum of heavy hole in the valence band quantum dot is equivalent to the spectrum of hole carrying out oscillator vibrations in the adiabatic electron potential. In the framework of the dipole approximation studied interband absorption of light in a quasi - zero - dimensional nanosystems. We show that the absorption and emission edge of quantum dots is formed by two transitions of comparable intensity from different hole size – quantization levels and into a lower electron size – quantization level. Propose a theoretical prospect of using hole transitions between equidistant series of quantum levels observed in nanocrystals for desining a nanolaser.

Published in	Optics (Volume 3, Issue 6-1) This article belongs to the Special Issue Optics and Spectroscopy of the Charge Carriers and Excitons States in Quasi - Zero - Dimensional Nanostructures
DOI	10.11648/j.optics.s.2014030601.12
Page(s)	2-9
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Excitons, Energy Spectrum, Exciton Binding Energy, Absorption of Light, Nanolaser

References

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Sergey I. Pokutnyi. (2014). Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory. Optics, 3(6-1), 2-9. https://doi.org/10.11648/j.optics.s.2014030601.12

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Sergey I. Pokutnyi. Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory. Optics. 2014, 3(6-1), 2-9. doi: 10.11648/j.optics.s.2014030601.12

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AMA Style

Sergey I. Pokutnyi. Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory. Optics. 2014;3(6-1):2-9. doi: 10.11648/j.optics.s.2014030601.12

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@article{10.11648/j.optics.s.2014030601.12,
  author = {Sergey I. Pokutnyi},
  title = {Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory},
  journal = {Optics},
  volume = {3},
  number = {6-1},
  pages = {2-9},
  doi = {10.11648/j.optics.s.2014030601.12},
  url = {https://doi.org/10.11648/j.optics.s.2014030601.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.optics.s.2014030601.12},
  abstract = {The theory of exciton states in a quantum dot under conditions of dominating polarization interaction of an electron and a hole with a spherical (quantum dot – dielectric matrix) interface is developed. An shown, that the energy spectrum of heavy hole in the valence band quantum dot is equivalent to the spectrum of hole carrying out oscillator vibrations in the adiabatic electron potential. In the framework of the dipole approximation studied interband absorption of light in a quasi - zero - dimensional nanosystems. We show that the absorption and emission edge of quantum dots is formed by two transitions of comparable intensity from different hole size – quantization levels and into a lower electron size – quantization level. Propose a theoretical prospect of using hole transitions between equidistant series of quantum levels observed in nanocrystals for desining a nanolaser.},
 year = {2014}
}

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TY  - JOUR
T1  - Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory
AU  - Sergey I. Pokutnyi
Y1  - 2014/07/31
PY  - 2014
N1  - https://doi.org/10.11648/j.optics.s.2014030601.12
DO  - 10.11648/j.optics.s.2014030601.12
T2  - Optics
JF  - Optics
JO  - Optics
SP  - 2
EP  - 9
PB  - Science Publishing Group
SN  - 2328-7810
UR  - https://doi.org/10.11648/j.optics.s.2014030601.12
AB  - The theory of exciton states in a quantum dot under conditions of dominating polarization interaction of an electron and a hole with a spherical (quantum dot – dielectric matrix) interface is developed. An shown, that the energy spectrum of heavy hole in the valence band quantum dot is equivalent to the spectrum of hole carrying out oscillator vibrations in the adiabatic electron potential. In the framework of the dipole approximation studied interband absorption of light in a quasi - zero - dimensional nanosystems. We show that the absorption and emission edge of quantum dots is formed by two transitions of comparable intensity from different hole size – quantization levels and into a lower electron size – quantization level. Propose a theoretical prospect of using hole transitions between equidistant series of quantum levels observed in nanocrystals for desining a nanolaser.
VL  - 3
IS  - 6-1
ER  -

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Author Information

Sergey I. Pokutnyi

Chu?ko Institute of Surface Chemistry, National Academy of Sciences of Ukraine, 17 General Naumov Str., UA - 03164 Kyiv, Ukraine

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Sergey I. Pokutnyi. (2014). Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory. Optics, 3(6-1), 2-9. https://doi.org/10.11648/j.optics.s.2014030601.12

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ACS Style

Sergey I. Pokutnyi. Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory. Optics. 2014, 3(6-1), 2-9. doi: 10.11648/j.optics.s.2014030601.12

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AMA Style

Sergey I. Pokutnyi. Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory. Optics. 2014;3(6-1):2-9. doi: 10.11648/j.optics.s.2014030601.12

Copy | Download

@article{10.11648/j.optics.s.2014030601.12,
  author = {Sergey I. Pokutnyi},
  title = {Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory},
  journal = {Optics},
  volume = {3},
  number = {6-1},
  pages = {2-9},
  doi = {10.11648/j.optics.s.2014030601.12},
  url = {https://doi.org/10.11648/j.optics.s.2014030601.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.optics.s.2014030601.12},
  abstract = {The theory of exciton states in a quantum dot under conditions of dominating polarization interaction of an electron and a hole with a spherical (quantum dot – dielectric matrix) interface is developed. An shown, that the energy spectrum of heavy hole in the valence band quantum dot is equivalent to the spectrum of hole carrying out oscillator vibrations in the adiabatic electron potential. In the framework of the dipole approximation studied interband absorption of light in a quasi - zero - dimensional nanosystems. We show that the absorption and emission edge of quantum dots is formed by two transitions of comparable intensity from different hole size – quantization levels and into a lower electron size – quantization level. Propose a theoretical prospect of using hole transitions between equidistant series of quantum levels observed in nanocrystals for desining a nanolaser.},
 year = {2014}
}

Copy | Download

TY  - JOUR
T1  - Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory
AU  - Sergey I. Pokutnyi
Y1  - 2014/07/31
PY  - 2014
N1  - https://doi.org/10.11648/j.optics.s.2014030601.12
DO  - 10.11648/j.optics.s.2014030601.12
T2  - Optics
JF  - Optics
JO  - Optics
SP  - 2
EP  - 9
PB  - Science Publishing Group
SN  - 2328-7810
UR  - https://doi.org/10.11648/j.optics.s.2014030601.12
AB  - The theory of exciton states in a quantum dot under conditions of dominating polarization interaction of an electron and a hole with a spherical (quantum dot – dielectric matrix) interface is developed. An shown, that the energy spectrum of heavy hole in the valence band quantum dot is equivalent to the spectrum of hole carrying out oscillator vibrations in the adiabatic electron potential. In the framework of the dipole approximation studied interband absorption of light in a quasi - zero - dimensional nanosystems. We show that the absorption and emission edge of quantum dots is formed by two transitions of comparable intensity from different hole size – quantization levels and into a lower electron size – quantization level. Propose a theoretical prospect of using hole transitions between equidistant series of quantum levels observed in nanocrystals for desining a nanolaser.
VL  - 3
IS  - 6-1
ER  -

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