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


ABSTRACT: 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.

SUBMITTER: Wang XX 

PROVIDER: S-EPMC6644729 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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

Wang Xin-Xin XX   Tian Fei-Yang FY   Chen Kai K   Zhang Yun-Qian YQ   Tao Zhu Z   Zhu Qian-Jiang QJ  

ACS omega 20180823 8


In the present work, we selected hexamethylcucurbit[3,3]uril (Me<sub>6</sub>Q[3,3]) as a building block and obtained two Me<sub>6</sub>Q[3,3]-based porous supramolecular assemblies from neutral water (<b>A</b>) and aqueous HCl solutions (<b>B</b>), respectively. Both Me<sub>6</sub>Q[3,3]-based assemblies are constructed of Me<sub>6</sub>Q[3,3] molecules through the typical outer surface interaction of cucurbit[<i>n</i>]urils, as well as hydrogen bonding between latticed water molecules and porta  ...[more]

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