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  • Hongping Zhao, Guangyu Liu, Jing Zhang, Jonathan D. Poplawsky, Volkmar Dierolf, Nelson Tansu
  • Medicine, Physics
  • Optics express
  • 2011 (First Publication: 4 July 2011)
  • Optimization of internal quantum efficiency (IQE) for InGaN quantum wells (QWs) light-emitting diodes (LEDs) is investigated. Staggered InGaN QWs with large electron-hole wavefunction overlap andExpand
  • Xiao-hang Li, Renbo Song, Yik-Khoon Ee, Pisist Kumnorkaew, James F. Gilchrist, Nelson Tansu
  • Physics
  • IEEE Photonics Journal
  • 2011 (First Publication: 5 May 2011)
  • The fabrication studies of silica/polystyrene (PS) colloidal microlens arrays with various aspect ratios were performed on the III-nitride light-emitting diodes (LEDs). The use of colloidal-basedExpand