2D Materials, volume 8, issue 4, pages 45037

Plasmon-assisted MXene grafting: tuning of surface termination and stability enhancement

Olshtrem Anastasiya
Švorčík Václav
Miliutina Elena
Valiev Rashid R
Fitl Přemysl
Cieslar Miroslav
Lancok Jan
Publication typeJournal Article
Publication date2021-10-01
Journal: 2D Materials
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor5.5
ISSN20531583
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
The properties of MXenes, new generation of 2D materials, are determined by the surface terminations, which depends on flake preparation method. Changing the surface termination chemical groups can significantly modify the MXene flake properties and functionality. However, the common methods of MXene flake surface chemistry tuning require high-energy treatments and often lead to flake damage. In this work, we propose a plasmon-assisted chemical transformation for tuning the surface chemistry and termination of MXene flakes. The plasmon resonance was directly excited on MXene flakes and induced the generation of highly reactive radicals from electrostatically absorbed iodonium salt cations, leading to immediate grafting of the created radicals to the flake edges and basal planes. We used bis-CF3-substituted iodonium salts, and subsequent analysis of the Ti3C2Tx MXene flake surface composition indicated decreases in the total oxygen concentration and oxidized titanium with a simultaneous increase in the fluorine surface concentration, which was related to –C6H3(CF3)2 moiety attachment. The ability to substitute the hydrophilic oxygen-containing groups with hydrophobic and oleophilic –CF3 groups containing functional groups allows us to create a stable suspension of a MXene in nonpolar organic solvents and prepare a superhydrophobic, water-repellent and oxidation-stable conductive MXene coating.

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GOST Copy
Olshtrem A. et al. Plasmon-assisted MXene grafting: tuning of surface termination and stability enhancement // 2D Materials. 2021. Vol. 8. No. 4. p. 45037.
GOST all authors (up to 50) Copy
Olshtrem A., Chertopalov S., Guselnikova O., Valiev R. R., Cieslar M., Miliutina E., Elashnikov R., Fitl P., Postnikov P. S., Lancok J., Švorčík V., Lyutakov O. Plasmon-assisted MXene grafting: tuning of surface termination and stability enhancement // 2D Materials. 2021. Vol. 8. No. 4. p. 45037.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1088/2053-1583/ac27c0
UR - https://doi.org/10.1088%2F2053-1583%2Fac27c0
TI - Plasmon-assisted MXene grafting: tuning of surface termination and stability enhancement
T2 - 2D Materials
AU - Olshtrem, Anastasiya
AU - Chertopalov, Sergii
AU - Guselnikova, Olga
AU - Valiev, Rashid R
AU - Cieslar, Miroslav
AU - Miliutina, Elena
AU - Elashnikov, Roman
AU - Fitl, Přemysl
AU - Postnikov, Pavel S.
AU - Lancok, Jan
AU - Švorčík, Václav
AU - Lyutakov, Oleksiy
PY - 2021
DA - 2021/10/01 00:00:00
PB - IOP Publishing
SP - 45037
IS - 4
VL - 8
SN - 2053-1583
ER -
BibTex |
Cite this
BibTex Copy
@article{2021_Olshtrem,
author = {Anastasiya Olshtrem and Sergii Chertopalov and Olga Guselnikova and Rashid R Valiev and Miroslav Cieslar and Elena Miliutina and Roman Elashnikov and Přemysl Fitl and Pavel S. Postnikov and Jan Lancok and Václav Švorčík and Oleksiy Lyutakov},
title = {Plasmon-assisted MXene grafting: tuning of surface termination and stability enhancement},
journal = {2D Materials},
year = {2021},
volume = {8},
publisher = {IOP Publishing},
month = {oct},
url = {https://doi.org/10.1088%2F2053-1583%2Fac27c0},
number = {4},
pages = {45037},
doi = {10.1088/2053-1583/ac27c0}
}
MLA
Cite this
MLA Copy
Olshtrem, Anastasiya, et al. “Plasmon-assisted MXene grafting: tuning of surface termination and stability enhancement.” 2D Materials, vol. 8, no. 4, Oct. 2021, p. 45037. https://doi.org/10.1088%2F2053-1583%2Fac27c0.
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