Atomic defects, functional groups and properties in MXenes

Cui, Wenjun; Hu, Zhi-Yi; Unocic, Raymond R.; Van Tendeloo, Gustaaf; Sang, Xiahan

doi:10.1016/j.cclet.2020.04.024

Atomic defects, functional groups and properties in MXenes

Journal Article · Fri Apr 17 00:00:00 EDT 2020 · Chinese Chemical Letters

DOI:https://doi.org/10.1016/j.cclet.2020.04.024· OSTI ID:1787508

Cui, Wenjun ^[1]; ^[1]; Unocic, Raymond R. ^[2]; Van Tendeloo, Gustaaf ^[3]; ^[1]

Wuhan Univ. of Technology (China)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Wuhan Univ. of Technology (China); Univ. of Antwerp (Belgium)

MXenes, a new family of functional two-dimensional (2D) materials, have shown great potential for an extensive variety of applications within the last decade. Atomic defects and functional groups in MXenes are known to have a tremendous influence on the functional properties. In this review, we focus on recent progress in the characterization of atomic defects and functional group chemistry in MXenes, and how to control them to directly influence various properties (e.g., electron transport, Li⁺ adsorption, hydrogen evolution reaction (HER) activity, and magnetism) of 2D MXenes materials. Dynamic structural transformations such as oxidation and growth induced by atomic defects in MXenes are also discussed. The review thus provides perspectives on property optimization through atomic defect engineering, and bottom-up synthesis methods based on defect-assisted homoepitaxial growth of MXenes.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: Fundamental Research Funds for the Central Universities of China; National Natural Science Foundation of China (NSFC); USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI ID:: 1787508

Journal Information:: Chinese Chemical Letters, Journal Name: Chinese Chemical Letters Journal Issue: 1 Vol. 32; ISSN 1001-8417

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
MXenes
atomic defects
electron microscopy
functional properties
surface functional groups

Atomic defects, functional groups and properties in MXenes

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