High Fidelity Self-Recognition of Isomeric Oligopyridines in Binary 2D Self-Assembly and Its Application for Separation

被引：5
作者：
Caterbow, Daniel [1 ]
Roos, Matthias [2 ]
Hoster, Harry E. [2 ]
Behm, R. Juergen [2 ]
Landfester, Katharina [1 ,3 ]
Ziener, Ulrich [1 ]
机构：
[1] Univ Ulm, Inst Organ Chem Macromol Chem 3, D-89081 Ulm, Germany
[2] Univ Ulm, Inst Catalysis & Surface Chem, D-89081 Ulm, Germany
[3] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2011年 / 17卷 / 28期
关键词：
adsorption; binary mixtures; oligopyridines; scanning probe microscopy; self-assembly; SOLID-LIQUID INTERFACE; SCANNING-TUNNELING-MICROSCOPY; ORDERED PYROLYTIC-GRAPHITE; HOST-GUEST NETWORK; SUPRAMOLECULAR ASSEMBLIES; MOLECULAR NETWORKS; ORGANIC MONOLAYERS; SYMMETRY-BREAKING; SURFACES; MIXTURES;
D O I：
10.1002/chem.201003319
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Self-assembly in two binary mixtures based on three isomeric oligopyridines at the liquid/HOPG (highly oriented pyrolytic graphite) interface is presented. Despite their structural similarity the molecules display exclusive phase separation, which is attributed to the highly specific intermolecular hydrogen bonding interactions. Variation of the mole fractions in solution reveal strongly preferred adsorption of the major compound, which underlines the importance of self-recognition for self-assembly. Those findings at the molecular level can be applied to separation issues on a macroscopic scale, leading to a completely new concept of separation, which could have a strong impact on various chromatographic processes.
引用
收藏
页码：7831 / 7836
页数：6
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