Efficiency Enhancement of Organic Light-Emitting Devices Fabricated Using a 1,4,5,8,9,11-Hexaazatriphenylene Hexacarbonitrile Silver Electrode
- Authors
- Jeon, Young-Pyo; Choi, Yang-Ho; Kim, Tae-Won
- Issue Date
- Oct-2015
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Transparent Electrode; Organic-Inorganic Hybrid Layer; Micro-Cavity Effect; Surface Roughness; Organic Light-Emitting Devices
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.15, no.10, pp.7791 - 7794
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 15
- Number
- 10
- Start Page
- 7791
- End Page
- 7794
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156264
- DOI
- 10.1166/jnn.2015.11190
- ISSN
- 1533-4880
- Abstract
- A 1,4,5,8,9,11-hexaazatriphenylene hexacarbonitrile (HAT-CN)/Ag/HAT-CN transparent electrode for organic light-emitting devices (OLEDs) was investigated. The current density of OLEDs was enhanced with an increase in the Ag layer thickness of a HAT-CN/Ag/HAT-CN anode. While the luminance of the OLEDs with a HAT-CN/Ag/HAT-CN anode slightly decreased with increasing thickness of the upper HAT-CN layer, the current efficiency of the OLEDs with thicknesses for the Ag layer of 20 nm and for the upper HAT-ON layer of 100 nm was almost two times higher than that of OLEDs with an ITO anode. Electroluminescence spectra of the OLEDs with a HAT-CN/Ag/HAT-CN anode were shifted due to the micro-cavity effect in the stacked anode, which was confirmed by the transmittance spectra.
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