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Surface modification of indium tin oxide by plasma treatment: An effective method to improve the efficiency, brightness, and reliability of organic light emitting devices
Abstract
We demonstrate the improvement of an indium tin oxide anode contact to an organic light emitting device via oxygen plasma treatment. Enhanced hole-injection efficiency improves dramatically the performance of single-layer doped-polymer devices: the drive voltage drops from >20 to <10 V, the external electroluminescence quantum efficiency (backside emission only) increases by a factor of 4 (from 0.28% to 1%), a much higher drive current can be applied to achieve a much higher brightness (maximum brightness ∼10,000 cd/m2 at 1000 mA/cm2), and the forward-to-reverse bias rectification ratio increases by orders of magnitude (from 102 to 106–107). The lifetime of the device is also enhanced by two orders of magnitude.
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Cited by
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Günes, S., Neugebauer, H., & Sariciftci, N. S. (2007) · Chemical Reviews · doi:10.1021/cr050149z · Cited by 6,279
Polydopamine Surface Chemistry: A Decade of Discovery
Ryu, J. H., Messersmith, P. B., & Lee, H. (2018) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.7b19865 · Cited by 1,843
Understanding plasma catalysis through modelling and simulation—a review
Neyts, E. C., & Bogaerts, A. (2014) · Journal of Physics D: Applied Physics · doi:10.1088/0022-3727/47/22/224010 · Cited by 342
Enhancement of Light Extraction from Light Emitting Diodes
Zhmakin, A. I. (2011) · Physics Reports · doi:10.1016/j.physrep.2010.11.001 · Cited by 312
Surface oxidation activates indium tin oxide for hole injection
Milliron, D. J., Hill, I. G., Shen, C., Kahn, A., & Schwartz, J. (2000) · Journal of Applied Physics · doi:10.1063/1.371901 · Cited by 300
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Metadata
- Authors
- Wu, C. C., Wu, C. I., Sturm, J. C., & Kahn, A.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 1997-03-17
- Volume
- 70
- Issue
- 11
- Pages
- 1348-1350
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2078562056
- Cited by
- 715
- References
- 0
- FWCI
- 30.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wu, C. C., Wu, C. I., Sturm, J. C., & Kahn, A. (1997). Surface modification of indium tin oxide by plasma treatment: An effective method to improve the efficiency, brightness, and reliability of organic light emitting devices. Applied Physics Letters. https://doi.org/10.1063/1.118575
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
