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Suppression of slow decaying emission in II-VI quantum dots with Forster resonance energy transfer
Ioffe Inst, Russia; St Petersburg Acad Univ, Russia.
Ioffe Inst, Russia.
Ioffe Inst, Russia.
Ioffe Inst, Russia.
Show others and affiliations
2017 (English)In: 4TH INTERNATIONAL SCHOOL AND CONFERENCE ON OPTOELECTRONICS, PHOTONICS, ENGINEERING AND NANOSTRUCTURES (SAINT PETERSBURG OPEN 2017), IOP PUBLISHING LTD , 2017, Vol. 917, article id 062048Conference paper, Published paper (Refereed)
Abstract [en]

We report on time-resolved photoluminescence studies of Forster resonance energy transfer (FRET) in structures with two arrays of epitaxial Cd(Zn)Se quantum dots (QDs) of different sizes separated by the ZnSe barrier of a variable width. The acceleration of recombination rate of both fast and slowly decaying components of emission from the energy-donating small QDs with the decrease of the barrier width is well consistent with the FRET mechanism. The found Forster radii turn out to be different for the fast and slow components. The rate acceleration is accompanied by the strong suppression of the slow emission component related, presumably, to the dark excitons. These findings open a way to control the characteristic of QD-based devices.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2017. Vol. 917, article id 062048
Series
Journal of Physics Conference Series, ISSN 1742-6588
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:liu:diva-145499DOI: 10.1088/1742-6596/917/6/062048ISI: 000423729100159OAI: oai:DiVA.org:liu-145499DiVA, id: diva2:1187154
Conference
4th International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures (Saint Petersburg OPEN)
Note

Funding Agencies|Russian Science Foundation [14-22-00107]

Available from: 2018-03-02 Created: 2018-03-02 Last updated: 2018-03-02

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf