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  • Du, Zaifa, et al. (author)
  • Efficiency enhancement of micro-light-emitting diode with shrinking size by localized surface plasmons coupling
  • 2024
  • In: Applied Physics B: Lasers and Optics. - 0946-2171. ; 130:3
  • Journal article (peer-reviewed)abstract
    • The external quantum efficiency (EQE) enhancement of different sized GaN micro-light-emitting diodes (μLEDs) by using localized surface plasmons (LSPs) have been studied. Silver nanoparticles (Ag NPs) are attached to the sidewalls of μLEDs by spin-coating so as to be effectively coupled with the multiple quantum well (MQW) of μLEDs and generate the LSPs. In the μLEDs with 20 × 20 μm2 large mesas, the LSPs can effectively inhibit the efficiency droop. Compared to the μLED samples without the LSPs coupling, the EQE has been enhanced by about 8% at a high current density of 20,000 A/cm2. This work confirms the effectiveness of the LSPs technology in improving the μLED performances, which is originally practiced only on the basal faces of conventional LEDs.
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  • Result 1-1 of 1
Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Sun, Jie, 1977 (1)
Han, Kai (1)
Yan, Qun (1)
Du, Zaifa (1)
Guo, Weiling (1)
Feng, Hongjuan (1)
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Tang, Peng Hao (1)
Chen, Enguo (1)
Guo, Tailiang (1)
Song, Jibin (1)
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University
Chalmers University of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2024 (1)

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