Surface recombination measurements on III-V candidate materials for nanostructure light-emitting diodes

  • Boroditsky M
  • Gontijo I
  • Jackson M
 et al. 
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Abstract

Surface recombination is an important characteristic of an optoelectronic material. Although surface recombination is a limiting factor for very small devices it has not been studied intensively. We have investigated surface recombination velocity on the exposed surfaces of the AlGaN, InGaAs, and InGaAlP material systems by using absolute photoluminescence quantum efficiency measurements. Two of these three material systems have low enough surface recombination velocity to be usable in nanoscale photonic crystal light-emitting diodes.

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Authors

  • M. Boroditsky

  • I. Gontijo

  • M. Jackson

  • R. Vrijen

  • E. Yablonovitch

  • T. Krauss

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