期刊
RSC ADVANCES
卷 10, 期 19, 页码 11335-11338出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ra01552k
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资金
- MEXT/Japan Society for the Promotion of Science [18K05094, 19H04600]
- Fukuoka Naohiko Memorial Foundation
- Research Foundation for the Electrotechnology of Chubu and Futaba
- Sasakawa Scientific Research Grant from The Japan Science Society
- Grants-in-Aid for Scientific Research [18K05094, 19H04600] Funding Source: KAKEN
Two types of planar chiral [2,2]paracyclophane-pyrene luminophores (1 and 2) with different binding positions of the fluorescent pyrene units were synthesised. (R)/(S)-1 with 1-pyrene units exhibited green intermolecular excimer circularly polarised luminescence (CPL) at 530 nm in the KBr-pellet, but exhibited no CPL signal in dilute CHCl3 solution. In contrast, (R)/(S)-2 with 2-pyrene units exhibited a blue intramolecular excimer CPL at 450 nm in CHCl3 solution. This is the first example of using the binding position of pyrene and the external environment to tune the type (inter- or intramolecular) and chiroptical sign of excimer CPL.
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