| Autor: |
Yu-Long Wang, Jia-Ju Xu, Yi-Wei Lin, Qian Chen, Hai-Quan Shan, Yan Yan, V. A. L. Roy, Zong-Xiang Xu |
| Jazyk: |
angličtina |
| Rok vydání: |
2015 |
| Předmět: |
|
| Zdroj: |
AIP Advances, Vol 5, Iss 10, Pp 107205-107205-7 (2015) |
| Druh dokumentu: |
article |
| ISSN: |
2158-3226 |
| DOI: |
10.1063/1.4932633 |
| Popis: |
We have enhanced hole injection and lifetime in organic light-emitting diodes (OLEDs) by incorporating the isomeric metal phthalocyanine, CuMePc, as a hole injection enhancer. The OLED devices containing CuMePc as a hole injection layer (HIL) exhibited higher luminous efficiency and operational lifetime than those using a CuPc layer and without a HIL. The effect of CuMePc thickness on device performance was investigated. Atomic force microscope (AFM) studies revealed that the thin films were smooth and uniform because the mixture of CuMePc isomers depressed crystallization within the layer. This may have caused the observed enhanced hole injection, indicating that CuMePc is a promising HIL material for highly efficient OLEDs. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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