Publication detail

Kinetic control of self-assembly using a low-energy electron beam

MAKOVEEV, A. PROCHÁZKA, P. SHAHSAVAR, A. KORMOŠ, L. KRAJŇÁK, T. STARÁ, V. ČECHAL, J.

Original Title

Kinetic control of self-assembly using a low-energy electron beam

Type

journal article in Web of Science

Language

English

Original Abstract

Self-assembly and on-surface synthesis are vital strategies used for fabricating surface-confined 1D or 2D su-pramolecular nanoarchitectures with atomic precision. In many systems, the resulting structure is determined by the kinetics of the processes involved, i.e., reaction rate, on-surface diffusion, nucleation, and growth, all of which are typically governed by temperature. However, other external factors have been only scarcely harnessed to control the on-surface chemical reaction kinetics and self-assembly. Here, we show that a low-energy electron beam can be used to steer chemical reaction kinetics and induce the growth of molecular phases unattainable by thermal annealing. The electron beam provides a well-controlled means of promoting the elementary reaction step, i.e., deprotonation of carboxyl groups. The reaction rate increases with the increasing electron beam energy beyond the threshold energy of 6 eV. Our results offer the novel prospect of controlling self-assembly, enhancing the rate of reaction steps selectively, and thus altering the kinetic rate hierarchy.

Keywords

Low -Energy Electron Microscopy; Surfaces; Kinetics; On -Surface Reactions; Self-Assembly

Authors

MAKOVEEV, A.; PROCHÁZKA, P.; SHAHSAVAR, A.; KORMOŠ, L.; KRAJŇÁK, T.; STARÁ, V.; ČECHAL, J.

Released

30. 10. 2022

Publisher

ELSEVIER

Location

AMSTERDAM

ISBN

1873-5584

Periodical

APPLIED SURFACE SCIENCE

Year of study

600

Number

1

State

Kingdom of the Netherlands

Pages from

154106

Pages to

154112

Pages count

7

URL

https://www.sciencedirect.com/science/article/pii/S0169433222016427?via%3Dihub

BibTex

@article{BUT179629,
  author="Anton Olegovich {Makoveev} and Pavel {Procházka} and Azin {Trllová Shahsavar} and Lukáš {Kormoš} and Tomáš {Krajňák} and Veronika {Stará} and Jan {Čechal}",
  title="Kinetic control of self-assembly using a low-energy electron beam",
  journal="APPLIED SURFACE SCIENCE",
  year="2022",
  volume="600",
  number="1",
  pages="7",
  doi="10.1016/j.apsusc.2022.154106",
  issn="1873-5584",
  url="https://www.sciencedirect.com/science/article/pii/S0169433222016427?via%3Dihub"
}