Improved Performance from Multilayer Quantum Dot Light-Emitting Diodes via Thermal Annealing of the Quantum Dot Layer
Quantum dot light‐emitting diodes with high external quantum efficiency and luminous power efficiency are realized through in situ thermal annealing of a quasi‐monolayer of colloidal nanocrystals on a crosslinked hole‐transport layer. Partial desorption of quantum‐dot surface ligands and improved fi...
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| Veröffentlicht in: | Advanced materials (Weinheim) 2007-10, Vol.19 (20), p.3371-3376 |
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| container_title | Advanced materials (Weinheim) |
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| creator | Niu, Y. H. Munro, A. M. Cheng, Y.-J. Tian, Y. Q. Liu, M. S. Zhao, J. L. Bardecker, J. A. Jen-La Plante, I. Ginger, D. S. Jen, A. K.-Y. |
| description | Quantum dot light‐emitting diodes with high external quantum efficiency and luminous power efficiency are realized through in situ thermal annealing of a quasi‐monolayer of colloidal nanocrystals on a crosslinked hole‐transport layer. Partial desorption of quantum‐dot surface ligands and improved film morphology contribute to better electrical injection from the organic layers to the quantum dots, resulting in a 3 to 4 fold enhancement of device efficiency with emission exclusively from the quantum dots. |
| doi_str_mv | 10.1002/adma.200602373 |
| format | Article |
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| ispartof | Advanced materials (Weinheim), 2007-10, Vol.19 (20), p.3371-3376 |
| issn | 0935-9648 1521-4095 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_30961628 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Hole-transport materials Light-emitting diodes Nanocrystals Quantum dots Thermal crosslink |
| title | Improved Performance from Multilayer Quantum Dot Light-Emitting Diodes via Thermal Annealing of the Quantum Dot Layer |
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