DOI: 10.1063/1.124107. Interface engineering in preparation of organic surface-emitting diodes

Interface engineering in preparation of organic surface-emitting diodes

10.1063/1.124107

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Surface-emitting organic light emitting diode (OLED) was prepared by sputter deposition of indium-tin-oxide on a buffered organic layer structure. Confirming a previous report, a thin film of copper phthalocyanine (CuPc) was found to be a useful buffer layer in preventing sputter damage to the OLED layer structure, particularly the underlying Alq emissive layer. However, the CuPc layer forms an electron-injection barrier with the Alq layer, resulting in increased electron-hole recombination in the nonemissive CuPc layer, and thus a substantial reduction in electroluminescence efficiency. Incorporation of Li at the CuPc/Alq interface was found to reduce the injection barrier at the interface and recover the overall device efficiency with good surface emission characteristics.

Bibliography

Hung, L. S., & Tang, C. W. (1999). Interface engineering in preparation of organic surface-emitting diodes. Applied Physics Letters, 74(21), 3209â3211.

Authors 2

L. S. Hung (first)
C. W. Tang (additional)

References 11 Referenced 147

10.1063/1.98799 / Appl. Phys. Lett. (1987)
10.1063/1.116196 / Appl. Phys. Lett. (1996)
10.1063/1.121301 / Appl. Phys. Lett. (1998)
10.1063/1.119260 / Appl. Phys. Lett. (1997)
10.1063/1.117151 / Appl. Phys. Lett. (1996)
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10.1063/1.356350 / J. Appl. Phys. (1994)
10.1063/1.119850 / Appl. Phys. Lett. (1997)
{'key': '2024020316122158100_r9', 'first-page': '2866', 'volume': '73', 'year': '1998', 'journal-title': 'Appl. Phys.'} / Appl. Phys. (1998)
10.1063/1.121125 / Appl. Phys. Lett. (1998)
10.1063/1.367027 / J. Appl. Phys. (1998)

Dates

Type	When
Created	23 years ago (July 26, 2002, 9:36 a.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 11:12 a.m.)
Indexed	4 months, 4 weeks ago (March 26, 2025, 1:35 p.m.)
Issued	26 years, 3 months ago (May 24, 1999)
Published	26 years, 3 months ago (May 24, 1999)
Published Print	26 years, 3 months ago (May 24, 1999)

Funders 0

None

BibTeX

@article{Hung_1999, title={Interface engineering in preparation of organic surface-emitting diodes}, volume={74}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.124107}, DOI={10.1063/1.124107}, number={21}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Hung, L. S. and Tang, C. W.}, year={1999}, month=may, pages={3209–3211} }

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