Photoluminescence of ZnSe nanocrystals at high excitation level

The excitation-dependent photoluminescence (PL) of ZnSe nanocrystals (NC) grown on GaAs (100) substrate was studied. The PL spectra observed corroborate previous observations of a bimodal size distribution of NC grown, and, in addition, evidence the existence of spectral diffusion with extend depend...

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Veröffentlicht in:Физика низких температур
Datum:2009
Hauptverfasser: Tishchenko, V.V., Kovalenko, A.V.
Format: Artikel
Sprache:Englisch
Veröffentlicht: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2009
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Online Zugang:https://nasplib.isofts.kiev.ua/handle/123456789/117168
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Photoluminescence of ZnSe nanocrystals at high excitation level / V.V. Tishchenko, A.V. Kovalenko // Физика низких температур. — 2009. — Т. 35, № 5. — С. 524-527. — Бібліогр.: 12 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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author Tishchenko, V.V.
Kovalenko, A.V.
author_facet Tishchenko, V.V.
Kovalenko, A.V.
citation_txt Photoluminescence of ZnSe nanocrystals at high excitation level / V.V. Tishchenko, A.V. Kovalenko // Физика низких температур. — 2009. — Т. 35, № 5. — С. 524-527. — Бібліогр.: 12 назв. — англ.
collection DSpace DC
container_title Физика низких температур
description The excitation-dependent photoluminescence (PL) of ZnSe nanocrystals (NC) grown on GaAs (100) substrate was studied. The PL spectra observed corroborate previous observations of a bimodal size distribution of NC grown, and, in addition, evidence the existence of spectral diffusion with extend dependent on excitation power. Besides, it was also shown that at relatively intense excitation an extra band has arose in luminescence spectra due to biexcitons confined in NC of 3.5–4.0 nm size. The binding energy of these biexcitons was as large as 23 meV.
first_indexed 2025-12-07T13:35:41Z
format Article
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institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
issn 0132-6414
language English
last_indexed 2025-12-07T13:35:41Z
publishDate 2009
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
record_format dspace
spelling Tishchenko, V.V.
Kovalenko, A.V.
2017-05-20T11:29:27Z
2017-05-20T11:29:27Z
2009
Photoluminescence of ZnSe nanocrystals at high excitation level / V.V. Tishchenko, A.V. Kovalenko // Физика низких температур. — 2009. — Т. 35, № 5. — С. 524-527. — Бібліогр.: 12 назв. — англ.
0132-6414
PACS: 78.67.Bf, 78.67.Hc, 78.55.Et
https://nasplib.isofts.kiev.ua/handle/123456789/117168
The excitation-dependent photoluminescence (PL) of ZnSe nanocrystals (NC) grown on GaAs (100) substrate was studied. The PL spectra observed corroborate previous observations of a bimodal size distribution of NC grown, and, in addition, evidence the existence of spectral diffusion with extend dependent on excitation power. Besides, it was also shown that at relatively intense excitation an extra band has arose in luminescence spectra due to biexcitons confined in NC of 3.5–4.0 nm size. The binding energy of these biexcitons was as large as 23 meV.
Support of this work by Fundamental Research State
 Fund of Ukraine (Ô25.4/207 Project) is gratefully acknowledged.
en
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
Физика низких температур
Квантовые эффекты в полупpоводниках и диэлектриках
Photoluminescence of ZnSe nanocrystals at high excitation level
Article
published earlier
spellingShingle Photoluminescence of ZnSe nanocrystals at high excitation level
Tishchenko, V.V.
Kovalenko, A.V.
Квантовые эффекты в полупpоводниках и диэлектриках
title Photoluminescence of ZnSe nanocrystals at high excitation level
title_full Photoluminescence of ZnSe nanocrystals at high excitation level
title_fullStr Photoluminescence of ZnSe nanocrystals at high excitation level
title_full_unstemmed Photoluminescence of ZnSe nanocrystals at high excitation level
title_short Photoluminescence of ZnSe nanocrystals at high excitation level
title_sort photoluminescence of znse nanocrystals at high excitation level
topic Квантовые эффекты в полупpоводниках и диэлектриках
topic_facet Квантовые эффекты в полупpоводниках и диэлектриках
url https://nasplib.isofts.kiev.ua/handle/123456789/117168
work_keys_str_mv AT tishchenkovv photoluminescenceofznsenanocrystalsathighexcitationlevel
AT kovalenkoav photoluminescenceofznsenanocrystalsathighexcitationlevel