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Strong Stacking between Hydrogen Bonded Foldamers and Fullerenes: Formation of Supramolecular Nano Networks
其他题名氢键介质的折叠体和富勒烯之间的强络合作用: 超分子纳米网络结构的形成
Li C(李闯); Zhu YY(朱元元); Yi HP(易会萍); Li CZ(李昌治); Jiang XK(蒋锡夔); Li ZT(黎占亭); Yu YH(余亦华)
2007
发表期刊Chem.-Eur. J.
ISSN0947-6539
卷号13期号:33页码:9990-9998
摘要The stacking interactions between F center dot center dot center dot H-N hydrogen-bonded foldamers 1-3, bis-foldamer 4, and trisfoldamer 5 and C-60 and C-70 are described. Compound 4 contains two folded units, which are connected by an isophthalamide linker, whereas 5 has a C-3-symmetrical discotic structure, in which three folded units are connected by a benzene-1,3,5-tricarboxamide unit. UV/Vis, fluorescence, and NMR experiments have revealed that the foldamers or folded units strongly stack with fullerenes in chloroform. ne (apparent) association constants of the respective complexes have been determined by a fluorescence titration method. The strong association is tentatively attributed to intermolecular cooperative fluorophertyl center dot center dot center dot pi and solvophobic interactions. A similar but weaker interaction has also been observed between an Me center dot center dot center dot OH-N hydrogen-bonded foldamer and fullerenes. AFM studies have revealed that the surfaces of 3 and 4 show fibrous networks, while the surface of 5 shows particles. In sharp contrast, mixtures of 3 and 4 with C-60 have been shown to generate thinner separated fibrils, whereas a mixture of 5 and C-60 produces honeycomb-like nano networks, for which a columnar cooperative stacking pattern is proposed. The results demonstrate the usefulness of F center dot center dot center dot H-N hydrogen-bonded folded structures in the construction of nanoscaled materials.
学科领域物理有机化学
部门归属上海有机所; 华东师范大学
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收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/12712
专题物理有机化学研究室
通讯作者Li ZT(黎占亭); Yu YH(余亦华)
推荐引用方式
GB/T 7714
Li C,Zhu YY,Yi HP,et al. Strong Stacking between Hydrogen Bonded Foldamers and Fullerenes: Formation of Supramolecular Nano Networks[J]. Chem.-Eur. J.,2007,13(33):9990-9998.
APA 李闯.,朱元元.,易会萍.,李昌治.,蒋锡夔.,...&余亦华.(2007).Strong Stacking between Hydrogen Bonded Foldamers and Fullerenes: Formation of Supramolecular Nano Networks.Chem.-Eur. J.,13(33),9990-9998.
MLA 李闯,et al."Strong Stacking between Hydrogen Bonded Foldamers and Fullerenes: Formation of Supramolecular Nano Networks".Chem.-Eur. J. 13.33(2007):9990-9998.
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