Influence of Pre-trimethylindium flow treatment on blue light emitting diode

  • Bing Xu
  • , Jun Liang Zhao
  • , Hai Tao Dai*
  • , Shu Guo Wang
  • , Ray Ming Lin
  • , Fu Chuan Chu
  • , Chou Hsiung Huang
  • , Sheng Fu Yu
  • , Xiao Wei Sun
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

1 Scopus citations

Abstract

The effects of Pre-trimethylindium (TMIn) flow treatment prior to quantum well growth on blue light emitting diode properties were investigated. High-resolution X-ray diffraction indicated that Pre-TMIn flow treatment did not change the composition of indium in quantum wells, but influenced electrical and optical properties of blue light emitting diode. Electroluminescence exhibited redshift with increasing TMIn treatment time. Though, the forward voltage became a little larger with longer Pre-TMIn treatment time due to the slight phase separation and indium aggregation, the efficiency droop of the device was improved effectively.

Original languageEnglish
Pages (from-to)142-145
Number of pages4
JournalThin Solid Films
Volume551
DOIs
StatePublished - 31 01 2014

Keywords

  • Light emitting diodes
  • Opto-electronics
  • Trimethylindium treatment

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