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Triplet Harvesting in Hybrid White Organic Light‐Emitting Diodes
Abstract
White organic light‐emitting diodes (OLEDs) are highly efficient large‐area light sources that may play an important role in solving the global energy crisis, while also opening novel design possibilities in general lighting applications. Usually, highly efficient white OLEDs are designed by combining three phosphorescent emitters for the colors blue, green, and red. However, this procedure is not ideal as it is difficult to find sufficiently stable blue phosphorescent emitters. Here, a novel approach to meet the demanding power efficiency and device stability requirements is discussed: a triplet harvesting concept for hybrid white OLED, which combines a blue fluorophor with red and green phosphors and is capable of reaching an internal quantum efficiency of 100% if a suitable blue emitter with high‐lying triplet transition is used is introduced. Additionally, this concept paves the way towards an extremely simple white OLED design, using only a single emitter layer.
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Cited by
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Yang, Z., Mao, Z., Xie, Z., Zhang, Y., Liu, S., Zhao, J., Xu, J., Chi, Z., & Aldred, M. P. (2017) · Chemical Society Reviews · doi:10.1039/c6cs00368k · Cited by 2,395
Exciton diffusion in organic semiconductors
Mikhnenko, O. V., Blom, P. W. M., & Nguyen, T.-Q. (2015) · Energy & Environmental Science · doi:10.1039/c5ee00925a · Cited by 997
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Farinola, G. M., & Ragni, R. (2011) · Chemical Society Reviews · doi:10.1039/c0cs00204f · Cited by 874
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Lüssem, B., Riede, M., & Leo, K. (2013) · physica status solidi (a) · doi:10.1002/pssa.201228310 · Cited by 594
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Metadata
- Authors
- Schwartz, G., Reineke, S., Rosenow, T. C., Walzer, K., & Leo, K.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2009-05-08
- Volume
- 19
- Issue
- 9
- Pages
- 1319-1333
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2076124318
- Cited by
- 460
- References
- 0
- FWCI
- 20.06
- Type
- journal article
- Language
- en
- Open access
- closed
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- Schwartz, G., Reineke, S., Rosenow, T. C., Walzer, K., & Leo, K. (2009). Triplet Harvesting in Hybrid White Organic Light‐Emitting Diodes. Advanced Functional Materials. https://doi.org/10.1002/adfm.200801503
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