Site-selection and adaptive reconstruction in a two-dimensional nanoporous network in response to guest inclusion

In the present investigation, we report the fabrication of a flexible binary network formed by tetraacidic azobenzene (NN4A) and trans -1,2-bis(4-pyridyl)ethylene (DPE) at the liquid–solid interface. When coronene (COR) molecule is added into these systems, the binary networks break and the reconstr...

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Bibliographic Details
Published in:RSC advances 2015-01, Vol.5 (49), p.39291-39294
Main Authors: Xue, JinDong, Deng, Ke, Liu, Bo, Duan, WuBiao, Zeng, QingDao, Wang, Chen
Format: Article
Language:English
Subjects:
Binary systems (materials)
Density functional theory
Liquid-solid interfaces
Molecular structure
Networks
Reconstruction
Scanning tunneling microscopy
Supramolecular compounds
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Summary:In the present investigation, we report the fabrication of a flexible binary network formed by tetraacidic azobenzene (NN4A) and trans -1,2-bis(4-pyridyl)ethylene (DPE) at the liquid–solid interface. When coronene (COR) molecule is added into these systems, the binary networks break and the reconstruction structures of NN4A/COR host–guest systems are subsequently formed. Scanning tunneling microscopy (STM) measurements, as well as density functional theory (DFT) calculations, reveal that the NN4A/COR host–guest system is the energetically favourable structure and with the most thermodynamic stability. These studies give us insight into a better comprehension of competitive adsorption for the fabrication of functional molecular assemblies.
ISSN:2046-2069
2046-2069
DOI:10.1039/C5RA01517K