期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 28, 期 13, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202103832
关键词
[2; 2]paracyclophane; chiral carbon macrocycle; circularly polarized luminescence; cycloparaphenylenes; planar chirality
资金
- Beijing Natural Science Foundation [2212008]
- National Natural Science Foundation of China [21971020]
Combining CPPs with [2.2]PCP leads to intriguing chiral macrocycles with aesthetic structures and size-dependent channels. These macrocycles display unique photophysical properties, with high fluorescence quantum yield of up to 82%, and the fluorescent color varies with ring size. In addition, size-dependent chiroptical properties with moderately large CPL dissymmetry factor and CPL brightness were observed.
Structural designs combining cycloparaphenylenes (CPPs) backbone with planar chiral [2.2]paracyclophane ([2.2]PCP) lead to optical-active chiral macrocycles with intriguing properties. X-ray crystal analysis revealed aesthetic necklace-shaped structures and size-dependent packages with long-range channels. The macrocycles exhibit unique photophysical properties with high fluorescence quantum yield of up to 82 %, and the fluorescent color varies with ring size. In addition, size-dependent chiroptical properties with moderately large CPL dissymmetry factor of 10(-3) and CPL brightness in the range of 30-40 M-1 cm(-1) were observed.
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