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Metal dependent motif transition in a self-assembled monolayer of bipyridine derivatives via coordination: An STM study
Wang, Y (Wang, Yi); Yuan, QH (Yuan, Qunhui); Xu, HB (Xu, Hongbo); Zhu, XF (Zhu, Xuefeng); Gan, W (Gan, Wei); Yuan, QH
2016
Source PublicationJOURNAL OF CHEMICAL PHYSICS
ISSN0021-9606
Volume145Issue:3Pages:1-7
Abstract

Low-dimensional molecular motifs with diversity developed via the on-surface chemistry are attracting growing interest for their potential in advanced nanofabrication. In this work, scanning tunneling microscopy was employed to investigate the in situ and ex situ metal coordinations between 4,4'-ditetradecyl-2,2'-bipyridine (bpy) and Zn(II) or Cu(II) ions at a highly oriented pyrolytic graphite (HOPG)/1-phenyloctane interface under ambient conditions. The results demonstrate that the bpy adopts a flat-lying orientation with its substituted alkyl chains in a tail-to-tail arrangement in a bpy monolayer. For the in situ coordination, the bpy/Zn(II) and bpy/Cu(II) complexes are aligned in edge-on fashions, wherein the bpy stands vertically on the HOPG surface and interdigitates at the alkyl chains. In the two-dimensional arrays of ex situ coordinated complexes, metal dependent motifs have been observed with Zn(II) and Cu(II), wherein the bipyridine moieties are parallel to the graphite surface. These results suggest that the desired on-surface coordination architectures may be achieved by the intentional selection of the metal centers.

DOI10.1063/1.4958802
Indexed BySCI
WOS IDWOS:000381384300037
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Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4648
Collection环境科学与技术研究室
Corresponding AuthorYuan, QH
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Lab Environm Sci & Technol, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Harbin Inst Technol, Sch Mat Sci & Engn, Shenzhen 518055, Peoples R China
5.Harbin Inst Technol, Sch Nat Sci & Humanities, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Wang, Y ,Yuan, QH ,Xu, HB ,et al. Metal dependent motif transition in a self-assembled monolayer of bipyridine derivatives via coordination: An STM study[J]. JOURNAL OF CHEMICAL PHYSICS,2016,145(3):1-7.
APA Wang, Y ,Yuan, QH ,Xu, HB ,Zhu, XF ,Gan, W ,&Yuan, QH.(2016).Metal dependent motif transition in a self-assembled monolayer of bipyridine derivatives via coordination: An STM study.JOURNAL OF CHEMICAL PHYSICS,145(3),1-7.
MLA Wang, Y ,et al."Metal dependent motif transition in a self-assembled monolayer of bipyridine derivatives via coordination: An STM study".JOURNAL OF CHEMICAL PHYSICS 145.3(2016):1-7.
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