DOI: 10.1063/1.1286009. Bubble formation in organic light-emitting diodes

Bubble formation in organic light-emitting diodes

10.1063/1.1286009

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Bubbles in organic light-emitting diodes can be formed from gas release due to Joule heating effect at localized electrical shorts during operation, which could be simulated by a rapid thermal annealing. The gases in the bubbles consist of not only adsorbed moistures but also the decomposed organic species, which are detected in situ in an ultrahigh vacuum chamber. In the device of Al/tris-(8-hydroxyquinoline) aluminum (Alq/N,N′-diphenyl-N.N′-bis-{3-methylphenyl}{1,1′biphenyl}-4,4′-diamine/indium tin oxide (ITO), the gases released from ITO surface were mainly of adsorbed moistures, while those released from the organic layers were of both the decomposed products from Alq and the trapped moistures. The decomposition of Alq could not be easily avoided if there were severe localized electrical shorts in the devices.

Bibliography

Liao, L. S., He, J., Zhou, X., Lu, M., Xiong, Z. H., Deng, Z. B., Hou, X. Y., & Lee, S. T. (2000). Bubble formation in organic light-emitting diodes. Journal of Applied Physics, 88(5), 2386â2390.

Authors 8

L. S. Liao (first)
J. He (additional)
X. Zhou (additional)
M. Lu (additional)
Z. H. Xiong (additional)
Z. B. Deng (additional)
X. Y. Hou (additional)
S. T. Lee (additional)

References 19 Referenced 44

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Dates

Type	When
Created	23 years ago (July 26, 2002, 8:26 a.m.)
Deposited	1 year, 6 months ago (Feb. 10, 2024, 10:02 p.m.)
Indexed	2 months, 1 week ago (June 14, 2025, 2:22 a.m.)
Issued	24 years, 11 months ago (Sept. 1, 2000)
Published	24 years, 11 months ago (Sept. 1, 2000)
Published Print	24 years, 11 months ago (Sept. 1, 2000)

Funders 0

None

BibTeX

@article{Liao_2000, title={Bubble formation in organic light-emitting diodes}, volume={88}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1286009}, DOI={10.1063/1.1286009}, number={5}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Liao, L. S. and He, J. and Zhou, X. and Lu, M. and Xiong, Z. H. and Deng, Z. B. and Hou, X. Y. and Lee, S. T.}, year={2000}, month=sep, pages={2386–2390} }

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