期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 133, 期 46, 页码 18590-18593出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja208548b
关键词
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资金
- National Natural Science Foundation of China [20774059, 21172158]
- Ministry of Education of China [20090181110047]
- U.S. National Science Foundation [CBET-1036171, CBET-1066947]
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1066947] Funding Source: National Science Foundation
Aromatic oligoamide macrocycles exhibit strong preference for highly directional association. Aggregation happens in both nonpolar and polar solvents but is weakened as solvent polarity increases. The strong, directional assembly is rationalized by the cooperative action of dipole-dipole and pi-pi stacking interactions, leading to long nanotubular assemblies that are confirmed by SEM, TEM, AFM, and XRD. The persistent nanotubular assemblies contain non-collapsible hydrophilic internal pores that mediate highly efficient ion transport observed with these macrocycles and serve as cylindrical sites for accommodating guests such as metal ions.
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