The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Sequential Multiple Borylation Toward an Ultrapure Green Thermally Activated Delayed Fluorescence Material
Open accessAbstract
Multiple-resonance thermally activated delayed fluorescence (MR-TADF) emitters have emerged as an important component of organic light-emitting diodes (OLEDs) because of their narrowband emission and high exciton utilization efficiency. However, the chemical space of MR-TADF emitters remains mostly unexplored because of the lack of suitable synthetic protocols. Herein, we demonstrate a sequential multiple borylation reaction that provides new synthetically accessible chemical space. ω-DABNA, the proof-of-concept material, exhibited narrowband green TADF with a full width at half-maximum of 22 nm and a small singlet–triplet energy gap of 13 meV. The OLED employing it as an emitter exhibited electroluminescence at 512 nm, with Commission International de l’Éclairage coordinates of (0.13, 0.73) and a high external quantum efficiency (EQE) of 31.1%. Moreover, the device showed minimum efficiency roll-off, with an EQE of 29.4% at 1000 cd m –2 .
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Samanta, P. K., Kim, D., Coropceanu, V., & Brédas, J.-L. (2017) · Journal of the American Chemical Society · doi:10.1021/jacs.6b12124 · Cited by 1,025
Cited by
Mamada, M., Hayakawa, M., Ochi, J., & Hatakeyama, T. (2024) · Chemical Society Reviews · doi:10.1039/d3cs00837a · Cited by 482
Self-citationWu, X., Ni, S., Wang, C.-H., Zhu, W., & Chou, P.-T. (2025) · Chemical Reviews · doi:10.1021/acs.chemrev.5c00021 · Cited by 325
Metadata
- Authors
- Uemura, S., Oda, S., Hayakawa, M., Kawasumi, R., Ikeda, N., Lee, Y.-T., Chan, C.-Y., Tsuchiya, Y., Adachi, C., & Hatakeyama, T.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2022-12-22
- Volume
- 145
- Issue
- 3
- Pages
- 1505-1511
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W4312128892
- Cited by
- 192
- References
- 1
- FWCI
- 10.24
- Type
- journal article
- Language
- en
- Open access
- green
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- Uemura, S., Oda, S., Hayakawa, M., Kawasumi, R., Ikeda, N., Lee, Y.-T., Chan, C.-Y., Tsuchiya, Y., Adachi, C., & Hatakeyama, T. (2023). Sequential Multiple Borylation Toward an Ultrapure Green Thermally Activated Delayed Fluorescence Material. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.2c10946
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