Self-assemblies of TTF derivatives with fluorinated phenyls and pyridine group

The self-assembly characteristics of tetrathiafulvalene (TTF) derivatives molecules 1–3 at the 1-phenyloctane/HOPG (HOPG = highly oriented pyrolytic graphite) interface had been carefully studied by scanning tunneling microscopy (STM) method. The number of F atoms on the phenyl group had significant...

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Bibliographic Details
Published in:Chinese chemical letters 2022-02, Vol.33 (2), p.1100-1104
Main Authors: Fang, Jianghua, Zhu, Xiaoyang, Luo, Wendi, Shi, Jianxun, Wang, Lejia, Tu, Bin, Zeng, Qingdao, Xiao, Xunwen
Format: Article
Language:English
Subjects:
DFT calculation
Hydrogen bonds
Self-assembly
STM
TTF
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Summary:The self-assembly characteristics of tetrathiafulvalene (TTF) derivatives molecules 1–3 at the 1-phenyloctane/HOPG (HOPG = highly oriented pyrolytic graphite) interface had been carefully studied by scanning tunneling microscopy (STM) method. The number of F atoms on the phenyl group had significantly affected the self-assembly structures. High-resolution STM images make clear the different assembly structures between the molecules 1–3, which attribute to the different F atom numbers and pyridine group in the molecule. Density functional theory (DFT) calculations have been performed to reveal the formation mechanism. [Display omitted]
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2021.08.030