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- Title
Stable Boron‐Containing Blue‐Photoluminescent Radicals.
- Authors
Feng, Zhongtao Please verify that the linked ORCID identifiers are correct for each author.; Chong, Yuanyuan; Tang, Shuxuan; Ruan, Huapeng; Fang, Yong; Zhao, Yue; Jiang, Jun; Wang, Xinping
- Abstract
Main observation and conclusion: It is highly urgent to develop synthetic strategies to make new category of stable luminescent radicals with desired emission wavelength. In this study, we have isolated two dioxoborocyclic radicals (3 and 4) by a direct synthetic route. They were characterized by UV, EPR spectroscopy and SQUID measurements. Their structures were obtained by single‐crystal X‐ray diffraction. Both radicals produce blue‐photoluminescence (458 nm for 3 and 478 nm for 4) by radiative decay from higher excited states (D2/D3) to the ground state (D0) based on theoretical calculation, breaking Kasha rule. The work records a new kind of radical emitters and the first stable radicals with blue emission bands.
- Subjects
ELECTRON paramagnetic resonance spectroscopy; EXCITED states; RADICALS (Chemistry); X-ray diffraction
- Publication
Chinese Journal of Chemistry, 2021, Vol 39, Issue 5, p1297
- ISSN
1001-604X
- Publication type
Article
- DOI
10.1002/cjoc.202100188