Deep electron traps responsible for higher quantum efficiency in improved gan/ingan light emitting diodes embedded with sio2 nanoparticles

  • A. Y. Polyakov
  • , N. B. Smirnov
  • , E. B. Yakimov
  • , Han Su Cho
  • , Jong Hyeob Baek
  • , A. V. Turutin
  • , I. V. Shemerov
  • , E. S. Kondratyev
  • , In Hwan Lee

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Deep traps spectra are compared forGaN/InGaN light emitting diodeswith andwithout a template embeddedwith SiO2 nanoparticles underlying the active multiple quantum well region. The structures with SiO2 nanoparticles show a higher internal quantum efficiency which correlates with a lower concentration of deep traps with level near Ec-0.6 eV as compared to reference structures. We discuss complications in deep traps analysis coming from the freeze-out of Mg acceptors and the choice of proper biasing conditions for deep traps spectra analysis.

Original languageEnglish
Pages (from-to)Q274-Q277
JournalECS Journal of Solid State Science and Technology
Volume5
Issue number10
DOIs
Publication statusPublished - 2016
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2016 The Electrochemical Society.

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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