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Design of Efficient Thermally Activated Delayed Fluorescence Materials for Pure Blue Organic Light Emitting Diodes
Abstract
Efficient thermally activated delayed fluorescence (TADF) has been characterized for a carbazole/sulfone derivative in both solutions and doped films. A pure blue organic light emitting diode (OLED) based on this compound demonstrates a very high external quantum efficiency (EQE) of nearly 10% at low current density. Because TADF only occurs in a bipolar system where donor and acceptor centered (3)ππ* states are close to or higher than the triplet intramolecular charge transfer ((3)CT) state, control of the π-conjugation length of both donor and acceptor is considered to be as important as breaking the π-conjugation between them in blue TADF material design.
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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
Hatakeyama, T., Shiren, K., Nakajima, K., Nomura, S., Nakatsuka, S., Kinoshita, K., Ni, J., Ono, Y., & Ikuta, T. (2016) · Advanced Materials · doi:10.1002/adma.201505491 · Cited by 2,379
All-organic thermally activated delayed fluorescence materials for organic light-emitting diodes
Liu, Y., Li, C., Ren, Z., Yan, S., & Bryce, M. R. (2018) · Nature Reviews Materials · doi:10.1038/natrevmats.2018.20 · Cited by 1,644
Gómez-Bombarelli, R., Aguilera-Iparraguirre, J., Hirzel, T. D., Duvenaud, D., Maclaurin, D., Blood-Forsythe, M. A., Chae, H. S., Einzinger, M., Ha, D.-G., Wu, T., et al. (2016) · Nature Materials · doi:10.1038/nmat4717 · Cited by 1,060
Self-citationXu, Y., Cheng, Z., Li, Z., Liang, B., Wang, J., Wei, J., Zhang, Z., & Wang, Y. (2020) · Advanced Optical Materials · doi:10.1002/adom.201902142 · Cited by 513
Metadata
- Authors
- Zhang, Q., Li, J., Shizu, K., Huang, S., Hirata, S., Miyazaki, H., & Adachi, C.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-08-29
- Volume
- 134
- Issue
- 36
- Pages
- 14706-14709
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2068615500
- Cited by
- 1,609
- References
- 0
- FWCI
- 51.48
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhang, Q., Li, J., Shizu, K., Huang, S., Hirata, S., Miyazaki, H., & Adachi, C. (2012). Design of Efficient Thermally Activated Delayed Fluorescence Materials for Pure Blue Organic Light Emitting Diodes. Journal of the American Chemical Society. https://doi.org/10.1021/ja306538w
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