GaN/In1-xGaxN/GaN/ZnO nanoarchitecture light emitting diode microarrays

Chul-Ho Lee, Jinkyoung Yoo, Young Joon Hong, Jeonghui Cho, Yong Jin Kim, Seong Ran Jeon, Jong Hyeob Baek, Gyu Chul Yi

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

We studied the fabrication and electroluminescent (EL) characteristics of GaN/ In1-x Gax N/GaN/ZnO nanoarchitecture light emitting diode (LED) microarrays consisting of position-controlled GaN/ZnO coaxial nanotube heterostructures. For the fabrication of nanoarchitecture LED arrays, n -GaN, GaN/ In0.24 Ga0.76 N multiquantum well (MQW) structures and p -GaN layers were deposited coaxially over the entire surface of position-controlled ZnO nanotube arrays grown vertically on c -plane sapphire substrates. The nanoarchitecture LEDs exhibited strong green and blue emission from the GaN/GaN/ In0.24 Ga0.76 N MQWs at room temperature. Furthermore, the origins of dominant EL peaks are also discussed.

Original languageEnglish
Article number213101
JournalApplied Physics Letters
Volume94
Issue number21
DOIs
Publication statusPublished - 2009 Jun 11
Externally publishedYes

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light emitting diodes
nanotubes
fabrication
sapphire
room temperature

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Lee, C-H., Yoo, J., Hong, Y. J., Cho, J., Kim, Y. J., Jeon, S. R., ... Yi, G. C. (2009). GaN/In1-xGaxN/GaN/ZnO nanoarchitecture light emitting diode microarrays. Applied Physics Letters, 94(21), [213101]. https://doi.org/10.1063/1.3139865

GaN/In1-xGaxN/GaN/ZnO nanoarchitecture light emitting diode microarrays. / Lee, Chul-Ho; Yoo, Jinkyoung; Hong, Young Joon; Cho, Jeonghui; Kim, Yong Jin; Jeon, Seong Ran; Baek, Jong Hyeob; Yi, Gyu Chul.

In: Applied Physics Letters, Vol. 94, No. 21, 213101, 11.06.2009.

Research output: Contribution to journalArticle

Lee, C-H, Yoo, J, Hong, YJ, Cho, J, Kim, YJ, Jeon, SR, Baek, JH & Yi, GC 2009, 'GaN/In1-xGaxN/GaN/ZnO nanoarchitecture light emitting diode microarrays', Applied Physics Letters, vol. 94, no. 21, 213101. https://doi.org/10.1063/1.3139865
Lee, Chul-Ho ; Yoo, Jinkyoung ; Hong, Young Joon ; Cho, Jeonghui ; Kim, Yong Jin ; Jeon, Seong Ran ; Baek, Jong Hyeob ; Yi, Gyu Chul. / GaN/In1-xGaxN/GaN/ZnO nanoarchitecture light emitting diode microarrays. In: Applied Physics Letters. 2009 ; Vol. 94, No. 21.
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