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Optics and Spectroscopy, 2018, Volume 124, Issue 5, Pages 657–661
DOI: https://doi.org/10.21883/OS.2018.05.45948.8-18
(Mi os1006)
 

Spectroscopy of condensed matter

Creation and investigation of organic light-emitting structures containing arrays of colloidal quantum dots

M. A. Eremeev, I. I. Mikhailov, M. D. Pavlova, I. A. Lamkin, S. A. Tarasov

Saint Petersburg Electrotechnical University "LETI", St. Petersburg, 197022, Russia
Abstract: We have created organic electroluminescent structures–ITO/TPD/Alq3/Al and ITO/PEDOT:PSS/TPD/Alq3/Al–which are organic light-emitting diodes (OLEDs). Experiments on the incorporation of CdSe/ZnS colloidal quantum dots into the active layer of the structure have been performed. The parameters of the created structures have been determined using optical-spectroscopy methods. The appropriateness of using the method of high-speed vacuum thermal deposition as a main method for the deposition of structural layers has been demonstrated, and the possibility of accelerated formation of layers of the material without disturbing its chemical structure has been shown. By measuring the photoluminescence spectra at different points in samples, we have determined the quality of the obtained structures and plotted maps of the radiation power distribution of the material and of its thickness. Recommendations for the creation of upper contacts and other regions of light-emitting structures have been formulated. We have created organic structures with ITO/PEDOT:PSS/TPD/TPD + CQD's CdSe/Alq3/Al colloidal quantum dots, in which electroluminescence of CdSe/ZnS quantum dots has been obtained for a wide range of applied voltages. It has been shown that the introduction of colloidal quantum dots into the structure leads to a significant modification of its electroluminescence spectrum.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 16.1750.2017/4.6
Received: 11.01.2018
English version:
Optics and Spectroscopy, 2018, Volume 124, Issue 5, Pages 691–695
DOI: https://doi.org/10.1134/S0030400X18050065
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: M. A. Eremeev, I. I. Mikhailov, M. D. Pavlova, I. A. Lamkin, S. A. Tarasov, “Creation and investigation of organic light-emitting structures containing arrays of colloidal quantum dots”, Optics and Spectroscopy, 124:5 (2018), 657–661; Optics and Spectroscopy, 124:5 (2018), 691–695
Citation in format AMSBIB
\Bibitem{EreMikPav18}
\by M.~A.~Eremeev, I.~I.~Mikhailov, M.~D.~Pavlova, I.~A.~Lamkin, S.~A.~Tarasov
\paper Creation and investigation of organic light-emitting structures containing arrays of colloidal quantum dots
\jour Optics and Spectroscopy
\yr 2018
\vol 124
\issue 5
\pages 657--661
\mathnet{http://mi.mathnet.ru/os1006}
\crossref{https://doi.org/10.21883/OS.2018.05.45948.8-18}
\elib{https://elibrary.ru/item.asp?id=32740175}
\transl
\jour Optics and Spectroscopy
\yr 2018
\vol 124
\issue 5
\pages 691--695
\crossref{https://doi.org/10.1134/S0030400X18050065}
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