Issue 59, 2022
From the journal:

Chemical Communications

Gating the conductance of a single-molecule junction with ion-π interaction†

Rui Wang,a   Yingjie Li,a   Ajun Tang,a   Yunpeng Lia  and  Hongxiang Li ORCID logo *a  

* Corresponding authors

a Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
E-mail: lihongxiang@ecust.edu.cn

Abstract

The single molecular conductance of viologen derivative VSMe and supramolecular compound VSMe-PA[5] (pillararene[5]) was investigated. The difference of their conductance demonstrated the gating effect of cation-π interaction. Theoretical calculations showed that the higher conductance of VSMe-PA[5] is a result of the planar structure of the VSMe component and the narrowed HOMO–LUMO bandgap of VSMe-PA[5], which is due to the cation-π interaction between the VSMe and PA[5] components.

Graphical abstract: Gating the conductance of a single-molecule junction with ion-π interaction

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Article information

DOI
https://doi.org/10.1039/D2CC02755K
Article type
Communication
Submitted
15 May 2022
Accepted
27 Jun 2022
First published
27 Jun 2022

Chem. Commun., 2022,58, 8290-8293

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Gating the conductance of a single-molecule junction with ion-π interaction

R. Wang, Y. Li, A. Tang, Y. Li and H. Li, Chem. Commun., 2022, 58, 8290 DOI: 10.1039/D2CC02755K

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