The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Design Strategy of Blue and Yellow Thermally Activated Delayed Fluorescence Emitters and Their All‐Fluorescence White OLEDs with External Quantum Efficiency beyond 20%
Abstract
Two thioxanthone‐derived isomeric series of thermally activated delayed fluorescence (TADF) emitters 1,6‐2TPA‐TX/3,6‐2TPA‐TX and 1,6‐2TPA‐TXO/3,6‐2TPA‐TXO are developed for organic light‐emitting diodes (OLEDs). Blue emission devices based on symmetrical 3,6‐2TPA‐TX with common vertical transition route realize an extremely high external quantum efficiency (EQE) of 23.7%, and an ever highest EQE of 24.3% is achieved for yellow emission devices based on 3,6‐2TPA‐TXO by solely changing the sulfur atom valence state of the thioxanthone core. In contrast, their corresponding asymmetric isomers are affected by intramolecular energy transfer and more severely by a nonradiative deactivation pathway, to give much low EQE values (<5%). By utilizing 3,6‐2TPA‐TX as a blue emitter and 3,6‐2TPA‐TXO as a yellow emitter, an ever highest EQE of 20.4% is achieved for all‐fluorescence white OLEDs.
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Cites
Grabowski, Z. R., Rotkiewicz, K., & Rettig, W. (2003) · Chemical Reviews · doi:10.1021/cr940745l · Cited by 3,714
Cited by
Recent advances in organic thermally activated delayed fluorescence materials
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
Metadata
- Authors
- Li, Y., Li, X., Chen, D., Cai, X., Xie, G., He, Z., Wu, Y., Lien, A., Cao, Y., & Su, S.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2016-08-16
- Volume
- 26
- Issue
- 38
- Pages
- 6904-6912
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2508315197
- Cited by
- 179
- References
- 1
- FWCI
- 11.89
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Design Strategy of Blue and Yellow Thermally Activated Delayed Fluorescence Emitters and Their All‐Fluorescence White OLEDs with External Quantum Efficiency beyond 20%. https://app.cochat.ai/papers/10.1002/adfm.201602507
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- Li, Y., Li, X., Chen, D., Cai, X., Xie, G., He, Z., Wu, Y., Lien, A., Cao, Y., & Su, S. (2016). Design Strategy of Blue and Yellow Thermally Activated Delayed Fluorescence Emitters and Their All‐Fluorescence White OLEDs with External Quantum Efficiency beyond 20%. Advanced Functional Materials. https://doi.org/10.1002/adfm.201602507
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