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题名: Substrate-induced adjustment of "slipped" pi-pi stacking: en route to obtain 1D sandwich chain and higher order self-assembly supramolecular structures in solid state
作者: Shen, Meng-Jie1; Liang, Tong-Ling2; Song, Yue-Qiang3; Xu, Li-Jin1; Hao, Xiang2; Gong, Han-Yuan4
关键词: Self-assemble ; 'slipped' pi-pi stacking ; expanding direction adjustment ; substrate-induced control ; selective CO2 absorption
刊名: SUPRAMOLECULAR CHEMISTRY
发表日期: 2017
卷: 29, 期:1, 页:24-31
收录类别: SCI
英文摘要: 'Slipped' pi-pi stacking between flexible macrocycle 1(4+) (cyclo[2](2,6-di(1H-imidazol-1-yl)pyridine) [2](1,4-dimethylene benzene)) and neutral small molecules induce one-dimensional (1D) 'sandwich' chain self-assembly. Unlike most of the reported pi-pi stacking system, the 1D "sandwich" chain expands with the direction parallel to stacking pi surfaces on 1(4+) and that on molecule 2, 3, 4 or 5 (2 = p-xylene, 3 = benzene-1,4-diamine, 4 = 4,4'-bipyridine, 5 = [1,1'-biphenyl]-4,4'-diol). Moreover, the pi-pi stacking modes of 1D self-assembly are seriously small molecule adduct dependent. Combined with the other weak interactions (e.g. intermolecular hydrogen bonding), the new substrate design and control strategy can expand the 1D 'sandwich' chain (e.g. [1(4+center dot)4](n)) into higher order structure (e.g. two-dimensional (2D) network [1(4+)center dot 4 center dot 6](n), 6 = hydroquinone) even in large scale (similar to 280 mg). This 2D network structure, which keeps stable under 423 K, shows highly selective gas absorption of CO2 over N-2.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35087
Appears in Collections:分析测试中心_期刊论文

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作者单位: 1.Renmin Univ China, Dept Chem, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing, Peoples R China
3.Qingdao Harbour Vacat & Tech Coll, Dept Informat Engn, Qingdao, Peoples R China
4.Beijing Normal Univ, Coll Chem, Beijing, Peoples R China
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