DOI: 10.1063/1.1637945. Photoemission study of hole-injection enhancement in organic electroluminescent devices with Au/CFx anode

Photoemission study of hole-injection enhancement in organic electroluminescent devices with Au/CFx anode

10.1063/1.1637945

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We demonstrate hole-injection enhancement from Au into N,N′-bis-(1-naphyl)-N,N′diphenyl-1,1′-biphenyl-4,4′-diamine (NPB) by inserting between them a plasma-polymerized fluorocarbon (CFx) buffer layer. Ultraviolet and x-ray photoemission spectroscopic study indicates that chemically tailoring the Au surface with CFx can reduce the hole-injection barrier to ∼1 eV with respect to bare Au. This effect is ascribed to the buildup of an interfacial electric field, arising from the molecular dipolar characteristic of CFx. The present results suggest that CFx can function as a hole-injection enhancement layer for organic optoelectronic/electronic devices which use a metallic anode.

Bibliography

Tang, J. X., Li, Y. Q., Hung, L. S., & Lee, C. S. (2004). Photoemission study of hole-injection enhancement in organic electroluminescent devices with Au/CFx anode. Applied Physics Letters, 84(1), 73â75.

Authors 4

J. X. Tang (first)
Y. Q. Li (additional)
L. S. Hung (additional)
C. S. Lee (additional)

References 21 Referenced 22

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Dates

Type	When
Created	21 years, 8 months ago (Dec. 29, 2003, 6:03 p.m.)
Deposited	1 year, 7 months ago (Feb. 3, 2024, 9:11 p.m.)
Indexed	1 year, 2 months ago (June 29, 2024, 2:32 a.m.)
Issued	21 years, 8 months ago (Jan. 5, 2004)
Published	21 years, 8 months ago (Jan. 5, 2004)
Published Print	21 years, 8 months ago (Jan. 5, 2004)

Funders 0

None

BibTeX

@article{Tang_2004, title={Photoemission study of hole-injection enhancement in organic electroluminescent devices with Au/CFx anode}, volume={84}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1637945}, DOI={10.1063/1.1637945}, number={1}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Tang, J. X. and Li, Y. Q. and Hung, L. S. and Lee, C. S.}, year={2004}, month=jan, pages={73–75} }

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