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Characterizations of Low-Temperature Electroluminescence from n-ZnO Nanowire/p-GaN Light Emitting Diodes

  • Tzu-Chun Lu
  • , Min-Yung Ke
  • , Sheng-Chieh Yang
  • , Yun-Wei Cheng
  • , Liang-Yi Chen
  • , Guan-Jhong Lin
  • , Yu-Hsin Lu
  • , Jr-Hau He
  • , Hao-Chung Kuo
  • , JianJang Huang

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Low temperature electroluminescence (EL) from a ZnO nanowire light emitting arrays is reported. By inserting a thin MgO current blocking layer in between ZnO nanowire and p- GaN, high purity UV (ultra-violet) light emission at wavelength 398nm was obtained. As the temperature is decreased, contrary to the typical GaN based light emitting didoes (LEDs), our device shows a decrease of optical output intensity. The results are associated with various carrier tunneling processes and frozen of MgO defects.
Original languageEnglish
Title of host publication2011 International Conference on Compound Semiconductor Manufacturing Technology, CS MANTECH 2011
Pages351-354
Publication statusPublished - May 2011
Externally publishedYes
Event2011 International Conference on Compound Semiconductor Manufacturing Technology (CS MANTECH 2011) - Palm Springs, United States
Duration: 16 May 201119 May 2011

Publication series

NameInternational Conference on Compound Semiconductor Manufacturing Technology, CS MANTECH

Conference

Conference2011 International Conference on Compound Semiconductor Manufacturing Technology (CS MANTECH 2011)
Abbreviated title2011 CS MANTECH
PlaceUnited States
CityPalm Springs
Period16/05/1119/05/11

Research Keywords

  • Low-temperature electroluminescence
  • UV LED
  • ZnO nanowire

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