Tuning the odd–even effect on two-dimensional assemblies of curcumin derivatives by alkyl chain substitution: a scanning tunnelling microscopy study

Liu, Suyi; Norikane, Yasuo; Tsuzuki, Seiji; Ito, Shotaro; Kikkawa, Yoshihiro

doi:10.1039/d3cp00368j

Cited by 3 publications

(1 citation statement)

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“…The origin of the odd–even effect has been explained in terms of steric hindrance caused by the orientation of the terminal methyl group in the alkyl chain [ 43 ]. Therefore, even a small change in the number of CH 2 units affects the molecular arrangement significantly, resulting in the diversification of 2D assemblies [ 76 – 77 81 – 84 118 – 138 ]. Some recent examples of the odd–even effect in 2D systems are presented below.…”

Section: Reviewmentioning

confidence: 99%

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

Liu,

Norikane,

Kikkawa

2023

Beilstein J. Nanotechnol.

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Nanoarchitectonics has attracted increasing attention owing to its potential applications in nanomachines, nanoelectronics, catalysis, and nanopatterning, which can contribute to overcoming global problems related to energy and environment, among others. However, the fabrication of ordered nanoarchitectures remains a challenge, even in two dimensions. Therefore, a deeper understanding of the self-assembly processes and substantial factors for building ordered structures is critical for tailoring flexible and desirable nanoarchitectures. Scanning tunneling microscopy is a powerful tool for revealing the molecular conformations, arrangements, and orientations of two-dimensional (2D) networks on surfaces. The fabrication of 2D assemblies involves non-covalent interactions that play a significant role in the molecular arrangement and orientation. Among the non-covalent interactions, dispersion interactions that derive from alkyl chain units are believed to be weak. However, alkyl chains play an important role in the adsorption onto substrates, as well as in the in-plane intermolecular interactions. In this review, we focus on the role of alkyl chains in the formation of ordered 2D assemblies at the solid/liquid interface. The alkyl chain effects on the 2D assemblies are introduced together with examples documented in the past decades.

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Section: Reviewmentioning

confidence: 99%

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

Liu,

Norikane,

Kikkawa

2023

Beilstein J. Nanotechnol.

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Two-dimensional assemblies of saccharide-derived molecules on highly oriented pyrolytic graphite revealed by scanning tunneling microscopy

Kikkawa

Ohnuma

Tsuzuki

et al. 2023

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Effect of Metal Coordination on Two-dimensional Assemblies in Curcumin Derivatives

et al. 2023

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Tuning the odd–even effect on two-dimensional assemblies of curcumin derivatives by alkyl chain substitution: a scanning tunnelling microscopy study

Abstract: Well-ordered molecular arrangement on surfaces is fundamental for fabrications of functional molecular devices which are of particular interest in nanotechnology. In addition to nano-manufacturing, the production of useful materials from...

Cited by 3 publications

References 57 publications

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

Two-dimensional assemblies of saccharide-derived molecules on highly oriented pyrolytic graphite revealed by scanning tunneling microscopy

Effect of Metal Coordination on Two-dimensional Assemblies in Curcumin Derivatives

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