Issue 2, 2021

Surface-mediated ordering of pristine Salen molecules on coinage metals

Abstract

The adsorption and assembly of pristine Salen molecules have been investigated by low-temperature scanning tunneling microscopy (STM) on Au(111), Ag(111) and Cu(111). High-resolution STM imaging reveals that the Salen molecules form three types of conformational isomers and several self-assembled unit structures on Au(111) and Ag(111). However, the morphology, proportional distribution and self-assembled structure of Salen on Cu(111) are different from those on Au(111) and Ag(111) because the Cu(111) substrate invokes a relatively stronger molecule-substrate interaction. This study demonstrates that the conformational changes of the pristine Salen molecule can be mediated by the underlying substrate lattice structure, leading to subsequent formation of self-assembled structures on the surface.

Graphical abstract: Surface-mediated ordering of pristine Salen molecules on coinage metals

Supplementary files

Article information

Article type
Research Article
Submitted
20 iyl 2020
Accepted
13 noy 2020
First published
13 noy 2020

Inorg. Chem. Front., 2021,8, 417-424

Surface-mediated ordering of pristine Salen molecules on coinage metals

D. Liu, B. Di, Z. Peng, C. Yin, H. Zhu, X. Wen, Q. Chen, J. Zhu and K. Wu, Inorg. Chem. Front., 2021, 8, 417 DOI: 10.1039/D0QI00874E

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