Self-catalytic-grown SnO x nanocones for light outcoupling enhancement in organic light-emitting diodes

Junhee Choi, Hyeong Seop Im, Jin Ho Kwack, Ha Hwang, Young Wook Park, Tae Yeon Seong, Byeong Kwon Ju

Research output: Contribution to journalArticle

Abstract

Light extraction in organic light-emitting diodes (OLEDs) was improved by applying SnO x nanocones grown via thermal annealing in a low-O2 atmosphere. SnO x was easily fabricated through thermal processing after Sn deposition. The diameter of the SnO x nanocones was controlled by changing the deposition thickness of Sn. The SnO x nanocones induced strong Mie scattering, which reduced the total internal reflection in the glass substrate. Consequently, the OLED with SnO x nanocones exhibited a 23% increase in the external quantum efficiency compared with a reference device.

Original languageEnglish
Number of pages1
JournalNanotechnology
Volume31
Issue number13
DOIs
Publication statusPublished - 2020 Mar 27

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ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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