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Zhurnal Tekhnicheskoi Fiziki, 2021, Volume 91, Issue 8, Pages 1264–1267
DOI: https://doi.org/10.21883/JTF.2021.08.51102.54-21 (Mi jtf4959) 		 
This article is cited in 2 scientific papers (total in 2 papers)

Solid-State Electronics

A method for measuring the internal quantum efficiency of InGaN LED emission

I. V. Frolova, V. A. Sergeevab, O. A. Radaeva

a Ul'yanovsk Branch of Institute of Radioengineering and Electronics, Russian Academy of Sciences
b Ulyanovsk State Technical University
Full-text PDF (109 kB) Citations (2)
DOI: https://doi.org/10.21883/JTF.2021.08.51102.54-21
Abstract: A method of measuring the internal quantum efficiency of emission from InGaN LEDs is suggested. It consists in measuring the emission power and electroluminescence cutoff frequency of the LEDs for two small current values from the range where the LED quantum efficiency rises and then calculating the internal quantum efficiency based on the corresponding functional dependence. To determine the internal quantum efficiency at other values of current, the external quantum efficiency versus current has been measured and the emission efficiency from the structure has been calculated based on measuring data for the values of internal and external small-current quantum efficiencys. The reliability of the new method has been checked by comparing results obtained by it and conventional measuring methods.
Keywords: LED, internal quantum efficiency, measurement.
Funding agency Grant number
Russian Foundation for Basic Research 19-07-00562 А
This work was carried out within the framework of the state task and partially supported by the Russian Foundation for Basic Research, project no. 19-07-00562 A.
Received: 04.03.2020
Revised: 25.03.2020
Accepted: 26.03.2020
English version:
Technical Physics, 2021, Volume 66, Issue 10, Pages 1107–1110
DOI: https://doi.org/10.1134/S1063784221080077
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: I. V. Frolov, V. A. Sergeev, O. A. Radaev, “A method for measuring the internal quantum efficiency of InGaN LED emission”, Zhurnal Tekhnicheskoi Fiziki, 91:8 (2021), 1264–1267; Tech. Phys., 66:10 (2021), 1107–1110
Citation in format AMSBIB
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\by I.~V.~Frolov, V.~A.~Sergeev, O.~A.~Radaev
\paper A method for measuring the internal quantum efficiency of InGaN LED emission
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2021
\vol 91
\issue 8
\pages 1264--1267
\mathnet{http://mi.mathnet.ru/jtf4959}
\crossref{https://doi.org/10.21883/JTF.2021.08.51102.54-21}
\elib{https://elibrary.ru/item.asp?id=46470577}
\transl
\jour Tech. Phys.
\yr 2021
\vol 66
\issue 10
\pages 1107--1110
\crossref{https://doi.org/10.1134/S1063784221080077}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85124753157}
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    • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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