From a Two-Dimensional Supramolecular Network to One-Dimensional Covalent Polymer at the Liquid/Solid Interface: Insight into the Role of the Stoichiometric Ratio of the Precursors

被引:8
|
作者
Yu, Yanxia [1 ,2 ,3 ]
Zheng, Yali [1 ]
Lei, Shengbin [1 ,2 ,3 ]
机构
[1] Harbin Inst Technol, Sch Chem & Chem Engn, Harbin 150080, Peoples R China
[2] Tianjin Univ, Tianjin Key Lab Mol Optoelect Sci, Dept Chem, Sch Sci, Tianjin 300072, Peoples R China
[3] Tianjin Univ, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China
基金
美国国家科学基金会;
关键词
ORGANIC FRAMEWORKS; SURFACE SYNTHESIS; BUILDING-BLOCKS; FABRICATION; ACTIVATION; REACTIVITY; MOLECULES;
D O I
10.1021/acs.jpcc.6b11553
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Co-condensation reaction between 2,6-diaminoanthraquinone and aromatic aldehyde at the octanoic acid/highly oriented pyrolitic graphite (HOPG) interface has been studied with scanning tunneling microscopy (STM). We found that the stoichiometric ratio of the precursors plays a vital role in the formation of the assembling structures. By controlling the molar ratio of the amine and aldehyde monomers, either an ordered, hydrogen-bond-stabilized two-dimensional supramolecular network or assembly of one-dimensional covalent polymers can be successfully constructed. The supramolecular network can also be transformed to covalent polymers by annealing the sample to 373 K.
引用
收藏
页码:593 / 599
页数:7
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