Charge Trapping and Luminance Mechanisms of Organic Light-Emitting Devices with a 5,6,11,12-Tetraphenylnaphthacene Emission Layer
- Authors
- Park, Su Hyeong; Lee, Dae Uk; Kim, Tae Whan
- Issue Date
- Aug-2011
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Charge Trapping Characteristics; OLEDs
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.11, no.8, pp.7230 - 7233
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 11
- Number
- 8
- Start Page
- 7230
- End Page
- 7233
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/167880
- DOI
- 10.1166/jnn.2011.4839
- ISSN
- 1533-4880
- Abstract
- The electrical and the optical properties of the organic light-emitting devices fabricated utilizing a 5,6,11,12-tetraphenylnaphthacene (rubrene) emission layer (EML) were investigated to clarify their charge trapping and luminance mechanisms. The increase in the thickness of the rubrene EML extended the width of the recombination zone, resulting in the enhancement of the efficiency and in the variation of the shoulder peak intensity of the electroluminescence spectra. The charge trapping and luminance mechanisms were affected by the total thickness of the rubrene layer, regardless of the existence of the barrier layers. The charge trapping and luminance mechanisms are described on the basis of the experimental results.
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