Open Access
Open access
Nature Communications, volume 10, issue 1, publication number 522

Control of MXenes’ electronic properties through termination and intercalation

Hart James 1
Lang Andrew C. 1
Anasori Babak 1, 2
Pinto David 1, 2
Pivak Yevheniy 3
Van Omme J Tijn 3
May Steven J 1
Gogotsi Yury 1, 2
Taheri Mitra L 1
Publication typeJournal Article
Publication date2019-01-31
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
Abstract
MXenes are an emerging family of highly-conductive 2D materials which have demonstrated state-of-the-art performance in electromagnetic interference shielding, chemical sensing, and energy storage. To further improve performance, there is a need to increase MXenes’ electronic conductivity. Tailoring the MXene surface chemistry could achieve this goal, as density functional theory predicts that surface terminations strongly influence MXenes' Fermi level density of states and thereby MXenes’ electronic conductivity. Here, we directly correlate MXene surface de-functionalization with increased electronic conductivity through in situ vacuum annealing, electrical biasing, and spectroscopic analysis within the transmission electron microscope. Furthermore, we show that intercalation can induce transitions between metallic and semiconductor-like transport (transitions from a positive to negative temperature-dependence of resistance) through inter-flake effects. These findings lay the groundwork for intercalation- and termination-engineered MXenes, which promise improved electronic conductivity and could lead to the realization of semiconducting, magnetic, and topologically insulating MXenes. Two-dimensional transition metal carbides and nitrides (MXenes) have emerged as highly conductive and stable materials, of promise for electronic applications. Here, the authors use in situ electric biasing and transmission electron microscopy to investigate the effect of surface termination and intercalation on electronic properties.

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GOST Copy
Hart J. et al. Control of MXenes’ electronic properties through termination and intercalation // Nature Communications. 2019. Vol. 10. No. 1. 522
GOST all authors (up to 50) Copy
Hart J., Hantanasirisakul K., Lang A. C., Anasori B., Pinto D., Pivak Y., Van Omme J. T., May S. J., Gogotsi Y., Taheri M. L. Control of MXenes’ electronic properties through termination and intercalation // Nature Communications. 2019. Vol. 10. No. 1. 522
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RIS Copy
TY - JOUR
DO - 10.1038/s41467-018-08169-8
UR - https://doi.org/10.1038%2Fs41467-018-08169-8
TI - Control of MXenes’ electronic properties through termination and intercalation
T2 - Nature Communications
AU - Hart, James
AU - Hantanasirisakul, Kanit
AU - Lang, Andrew C.
AU - Anasori, Babak
AU - Pinto, David
AU - Pivak, Yevheniy
AU - Van Omme, J Tijn
AU - May, Steven J
AU - Gogotsi, Yury
AU - Taheri, Mitra L
PY - 2019
DA - 2019/01/31 00:00:00
PB - Springer Nature
IS - 1
VL - 10
PMID - 30705273
SN - 2041-1723
ER -
BibTex
Cite this
BibTex Copy
@article{2019_Hart
author = {James Hart and Kanit Hantanasirisakul and Andrew C. Lang and Babak Anasori and David Pinto and Yevheniy Pivak and J Tijn Van Omme and Steven J May and Yury Gogotsi and Mitra L Taheri},
title = {Control of MXenes’ electronic properties through termination and intercalation},
journal = {Nature Communications},
year = {2019},
volume = {10},
publisher = {Springer Nature},
month = {jan},
url = {https://doi.org/10.1038%2Fs41467-018-08169-8},
number = {1},
doi = {10.1038/s41467-018-08169-8}
}
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