Achieving high-efficiency purely organic room-temperature phosphorescence materials by boronic ester substitution of phenoxathiine

The effect of boronic ester substitution on the room-temperature phosphorescence properties of phenoxathiine-based derivatives was thoroughly investigated. A significantly improved phosphorescence quantum efficiency of up to 20% in the crystalline state was achieved by delicate molecular manipulatio...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2019-06, Vol.55 (5), p.7215-7218
Main Authors: Li, Mengke, Cai, Xinyi, Qiao, Zhenyang, Liu, Kunkun, Xie, Wentao, Wang, Liangying, Zheng, Nan, Su, Shi-Jian
Format: Article
Language:English
Subjects:
Coupling (molecular)
Crystallography
Phosphorescence
Quantum efficiency
Room temperature
Substitutes
Thermodynamic properties
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Summary:The effect of boronic ester substitution on the room-temperature phosphorescence properties of phenoxathiine-based derivatives was thoroughly investigated. A significantly improved phosphorescence quantum efficiency of up to 20% in the crystalline state was achieved by delicate molecular manipulation for both enhanced spin-orbital coupling and compact intermolecular packing. The effect of boronic ester substitution on the room-temperature phosphorescence of phenoxathiine-based derivatives was investigated to achieve an improved phosphorescence quantum efficiency of up to 20%.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc02648g