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  • Du, Zaifa (author)

Efficiency enhancement of micro-light-emitting diode with shrinking size by localized surface plasmons coupling

  • Article/chapterEnglish2024

Publisher, publication year, extent ...

  • 2024

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:56ff141f-8b36-4ff4-a7fd-1ca71e52cae3
  • https://doi.org/10.1007/s00340-024-08174-4DOI
  • https://research.chalmers.se/publication/540117URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • 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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  • Sun, Jie,1977Fuzhou University,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jiesu (author)
  • Feng, HongjuanFuzhou University (author)
  • Tang, Peng HaoBeijing University of Technology (author)
  • Guo, WeilingBeijing University of Technology (author)
  • Han, Kai (author)
  • Chen, EnguoFuzhou University (author)
  • Guo, TailiangFuzhou University (author)
  • Song, JibinFuzhou University (author)
  • Yan, QunFuzhou University (author)
  • Fuzhou UniversityChalmers tekniska högskola (creator_code:org_t)

Related titles

  • In:Applied Physics B: Lasers and Optics130:30946-2171

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