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

doi:10.1088/1361-6528/ab5f04

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

School of Electrical Engineering

Research output: Contribution to journal › Article

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 language	English
Number of pages	1
Journal	Nanotechnology
Volume	31
Issue number	13
DOIs	https://doi.org/10.1088/1361-6528/ab5f04
Publication status	Published - 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

Cite this

Choi, J., Im, H. S., Kwack, J. H., Hwang, H., Park, Y. W., Seong, T. Y., & Ju, B. K. (2020). Self-catalytic-grown SnO _x nanocones for light outcoupling enhancement in organic light-emitting diodes. Nanotechnology, 31(13). https://doi.org/10.1088/1361-6528/ab5f04

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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.",

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AU - Seong, Tae Yeon

AU - Ju, Byeong Kwon

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AB - 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.

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10.1088/1361-6528/ab5f04