Hexamethylcucurbit[3,3]uril-Based Porous Supramolecular Assemblies and Their Adsorption Properties

Hexamethylcucurbit[3,3]uril-Based Porous Supramolecular Assemblies and Their Adsorption Properties
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六甲基葫芦[3,3]脲基多孔超分子组装体及其吸附性能

DOI:
10.1021/acsomega.8b00979
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发表时间:
2018-08
期刊:
影响因子:
4.1
通讯作者:
Qian Jiang Zhu
Qian Jiang Zhu
中科院分区:
化学3区
文献类型:
--
作者:
Xin Xin Wang;Fei Yang Tian;Kai Chen;Yun Qian Zhang;Zhu Tao;Qian Jiang Zhu

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在本研究中,我们选择六甲基葫芦[3,3]脲(Me6Q[3,3])作为构建块,分别从中性水(a)和盐酸水溶液(B)中获得了两个Me6Q[3,3]基多孔超分子组装体。两种基于Me6Q[3,3]的组件都是由Me6Q[3,3]分子通过葫芦[n]尾纤的典型外表面相互作用,以及晶格水分子与Me6Q的门脉羰基氧之间的氢键[3,3]构建的。该组合物对8种常见挥发性有机化合物表现出不同的多孔结构特征和不同的吸附性能。然而,这两种多孔组件对某些荧光团染料(包括罗丹明B (G1)、荧光素(G2)和芘(G3))表现出相似的吸附特性,并形成固体色荧光化合物,其中一些对选定的挥发性有机化合物表现出响应。
In the present work, we selected hexamethylcucurbit[3,3]uril (Me6Q[3,3]) as a building block and obtained two Me6Q[3,3]-based porous supramolecular assemblies from neutral water (A) and aqueous HCl solutions (B), respectively. Both Me6Q[3,3]-based assemblies are constructed of Me6Q[3,3] molecules through the typical outer surface interaction of cucurbit[n]urils, as well as hydrogen bonding between latticed water molecules and portal carbonyl oxygens of Me6Q[3,3]. The assemblies present different porous structure features and exhibit different adsorption properties for eight common volatile organic compounds. However, the two porous assemblies exhibit similar adsorption properties for certain fluorophore dyes, including rhodamine B (G1), fluorescein (G2), and pyrene (G3), and form solid colored fluorescent compounds, some of which exhibit responses to the selected volatile organic compounds.
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