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Influence of doping location and width of dimethylquinacridone on the performance of organic light emitting devices
| Content Provider | Scilit |
|---|---|
| Author | Li, Jingze Yahiro, Masayuki Ishida, Kenji Matsushige, Kazumi |
| Copyright Year | 2005 |
| Description | Journal: Journal of Physics D: Applied Physics The influence of doping location and width of fluorescent dimethylquinacridone (DMQA) molecules on the performance of organic light emitting devices has been systematically investigated. While the doped zone is located at the interface of the hole transport layer (HTL) and the light emitting layer (EML), doping in the HTL leads to significant improvement of the external quantum efficiency relative to the undoped device, whereas the efficiency is lower than that of doping in the EML. This phenomenon is explained according to the electroluminescence (EL) process of the doped DMQA, which is dominated by Förster energy transfer. Additionally, a device with dual doping in both HTL and EML exhibits the highest efficiency. The EL and photoluminescence spectra are also dependent on the doping sites. |
| Related Links | http://iopscience.iop.org/article/10.1088/0022-3727/38/3/007/pdf |
| Ending Page | 396 |
| Page Count | 5 |
| Starting Page | 392 |
| ISSN | 00223727 |
| e-ISSN | 13616463 |
| DOI | 10.1088/0022-3727/38/3/007 |
| Journal | Journal of Physics D: Applied Physics |
| Issue Number | 3 |
| Volume Number | 38 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2005-01-20 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics D: Applied Physics Electroluminescence External Quantum Efficiency |
| Content Type | Text |
| Resource Type | Article |
| Subject | Surfaces, Coatings and Films Acoustics and Ultrasonics Condensed Matter Physics Electronic, Optical and Magnetic Materials |
