期刊
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY
卷 15, 期 -, 页码 1203-1209出版社
BEILSTEIN-INSTITUT
DOI: 10.3762/bjoc.15.117
关键词
aqueous medium; crown ether; macrocycle; perylene diimide derivative; self-assembly
资金
- Thousand Talents Program of China
- Postdoctoral Innovative Talents Supporting Project of China [BX20180255]
- Key R&D Program of Shaanxi Province [2019KW-031, 2019KW-038]
- Natural Science Basic Research Plan in Shaanxi Province of China [2018JQ2017]
- Fundamental Research Funds for the Central Universities [3102018zy051, 3102018jcc007, 3102017OQD044, 3102017OQD045, 3102017OQD040, 3102017OQD115, 3102019ghxm005]
- State Key Laboratory of Solidification Processing in NPU [SKLSP201817]
The synthesis of conjugates of perylene diimide (PDI) and naphthalene diimide (NDI) modified with two benzo-21-crown-7 ethers (B21C7) are herein described. Their self-assembly behavior in various solvents was investigated particularly in aqueous medium, due to the recently discovered hydrophilic properties of B21C7 crown macrocycle. An unexpected fluorescence quenching phenomenon was observed in the PDI-B21C7 macrocycle conjugate in chloroform. The detailed UV-vis absorption and fluorescence spectra of these PDI/NDI derivatives in different solvents as well as their morphologies were investigated.
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