Modulation bandwidth studies of recombination processes in blue and green InGaN quantum well micro-light-emitting diodes

Richard P Green, Jonathan McKendry, David Massoubre, Erdan Gu, Martin Dawson, Anthony E Kelly

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

We report modulation bandwidth measurements on a number of InGaN-based quantum well LEDs emitting at 450 and 520nm wavelengths. It is shown that for these devices the data can be interpreted in terms of Auger recombination, by taking account of the carrier density dependence of the radiative coefficient. We find values for the Auger coefficient of (1±0.3)×10-29 cm6s-1 at 450nm and (3±1)×10-30 cm6s-1 at 520nm.

Original languageEnglish
Article number091103
Number of pages4
JournalApplied Physics Letters
Volume102
Issue number9
DOIs
Publication statusPublished - 5 Mar 2013

Fingerprint

light emitting diodes
quantum wells
bandwidth
modulation
coefficients
wavelengths

Keywords

  • light emitting diodes
  • semiconductor device models
  • bandwidth measurements

Cite this

@article{8f65d2b183d74dc2b75ea90a7b1b69ef,
title = "Modulation bandwidth studies of recombination processes in blue and green InGaN quantum well micro-light-emitting diodes",
abstract = "We report modulation bandwidth measurements on a number of InGaN-based quantum well LEDs emitting at 450 and 520nm wavelengths. It is shown that for these devices the data can be interpreted in terms of Auger recombination, by taking account of the carrier density dependence of the radiative coefficient. We find values for the Auger coefficient of (1±0.3)×10-29 cm6s-1 at 450nm and (3±1)×10-30 cm6s-1 at 520nm.",
keywords = "light emitting diodes, semiconductor device models, bandwidth measurements",
author = "Green, {Richard P} and Jonathan McKendry and David Massoubre and Erdan Gu and Martin Dawson and Kelly, {Anthony E}",
year = "2013",
month = "3",
day = "5",
doi = "10.1063/1.4794078",
language = "English",
volume = "102",
journal = "Applied Physics Letters",
issn = "0003-6951",
number = "9",

}

Modulation bandwidth studies of recombination processes in blue and green InGaN quantum well micro-light-emitting diodes. / Green, Richard P; McKendry, Jonathan; Massoubre, David; Gu, Erdan; Dawson, Martin; Kelly, Anthony E.

In: Applied Physics Letters, Vol. 102, No. 9, 091103, 05.03.2013.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Modulation bandwidth studies of recombination processes in blue and green InGaN quantum well micro-light-emitting diodes

AU - Green, Richard P

AU - McKendry, Jonathan

AU - Massoubre, David

AU - Gu, Erdan

AU - Dawson, Martin

AU - Kelly, Anthony E

PY - 2013/3/5

Y1 - 2013/3/5

N2 - We report modulation bandwidth measurements on a number of InGaN-based quantum well LEDs emitting at 450 and 520nm wavelengths. It is shown that for these devices the data can be interpreted in terms of Auger recombination, by taking account of the carrier density dependence of the radiative coefficient. We find values for the Auger coefficient of (1±0.3)×10-29 cm6s-1 at 450nm and (3±1)×10-30 cm6s-1 at 520nm.

AB - We report modulation bandwidth measurements on a number of InGaN-based quantum well LEDs emitting at 450 and 520nm wavelengths. It is shown that for these devices the data can be interpreted in terms of Auger recombination, by taking account of the carrier density dependence of the radiative coefficient. We find values for the Auger coefficient of (1±0.3)×10-29 cm6s-1 at 450nm and (3±1)×10-30 cm6s-1 at 520nm.

KW - light emitting diodes

KW - semiconductor device models

KW - bandwidth measurements

UR - http://link.aip.org/link/APPLAB/v102/i9/p091103/s1&Agg=doi

U2 - 10.1063/1.4794078

DO - 10.1063/1.4794078

M3 - Article

VL - 102

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 9

M1 - 091103

ER -