Young's Modulus and Tensile Strength of Ti3C2MXene Nanosheets As Revealed by in Situ TEM Probing, AFM Nanomechanical Mapping, and Theoretical Calculations

Firestein K.L., von Treifeldt J.E., Kvashnin D.G., Fernando J.F., Zhang C., Kvashnin A.G., Podryabinkin E.V., Shapeev A.V., Siriwardena D.P., Sorokin P.B., Golberg D.
Тип документаJournal Article
Дата публикации2020-08-12
Название журналаNano Letters
ИздательAmerican Chemical Society
КвартильQ1
ISSN15306984, 15306992
  • General Chemistry
  • Condensed Matter Physics
  • General Materials Science
  • Mechanical Engineering
  • Bioengineering
Краткое описание
Two-dimensional transition metal carbides, i.e. MXenes, and especially Ti3C2, attract attention due to their excellent combination of properties. Ti3C2 nanosheets could be the material of choice for future flexible electronics, energy storage and electromechanical nanodevices. There has been limited information available on the mechanical properties of Ti3C2, which is essential for their utilization. We have fabricated Ti3C2 nanosheets and studied their mechanical properties using direct in situ tensile tests inside a transmission electron microscope, quantitative nanomechanical mapping and theoretical calculations employing machine-learning derived potentials. Young's modulus in the direction perpendicular to the Ti3C2 basal plane was found to be 80-100 GPa. The tensile strength of Ti3C2 nanosheets reached up to 670 MPa for ~40 nm thin nanoflakes, while a strong dependence of tensile strength on nanosheet thickness was demonstrated. Theoretical calculations allowed us to study mechanical characteristics of Ti3C2 as a function of nanosheet geometrical parameters and structural defects concentration.
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1. Firestein K.L. и др. Young’s Modulus and Tensile Strength of Ti3C2 MXene Nanosheets As Revealed by In Situ TEM Probing, AFM Nanomechanical Mapping, and Theoretical Calculations // Nano Letters. 2020. Т. 20. № 8. С. 5900–5908.
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TY - JOUR

DO - 10.1021/acs.nanolett.0c01861

UR - http://dx.doi.org/10.1021/acs.nanolett.0c01861

TI - Young’s Modulus and Tensile Strength of Ti3C2 MXene Nanosheets As Revealed by In Situ TEM Probing, AFM Nanomechanical Mapping, and Theoretical Calculations

T2 - Nano Letters

AU - Firestein, Konstantin L.

AU - von Treifeldt, Joel E.

AU - Kvashnin, Dmitry G.

AU - Fernando, Joseph F. S.

AU - Zhang, Chao

AU - Kvashnin, Alexander G.

AU - Podryabinkin, Evgeny V.

AU - Shapeev, Alexander V.

AU - Siriwardena, Dumindu P.

AU - Sorokin, Pavel B.

AU - Golberg, Dmitri

PY - 2020

DA - 2020/07/07

PB - American Chemical Society (ACS)

SP - 5900-5908

IS - 8

VL - 20

SN - 1530-6984

SN - 1530-6992

ER -

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@article{2020,

doi = {10.1021/acs.nanolett.0c01861},

url = {https://doi.org/10.1021%2Facs.nanolett.0c01861},

year = 2020,

month = {jul},

publisher = {American Chemical Society ({ACS})},

volume = {20},

number = {8},

pages = {5900--5908},

author = {Konstantin L. Firestein and Joel E. von Treifeldt and Dmitry G. Kvashnin and Joseph F. S. Fernando and Chao Zhang and Alexander G. Kvashnin and Evgeny V. Podryabinkin and Alexander V. Shapeev and Dumindu P. Siriwardena and Pavel B. Sorokin and Dmitri Golberg},

title = {Young's Modulus and Tensile Strength of Ti3C2 {MXene} Nanosheets As Revealed by In Situ {TEM} Probing, {AFM} Nanomechanical Mapping, and Theoretical Calculations}

}

MLA
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Firestein, Konstantin L. et al. “Young’s Modulus and Tensile Strength of Ti3C2 MXene Nanosheets As Revealed by In Situ TEM Probing, AFM Nanomechanical Mapping, and Theoretical Calculations.” Nano Letters 20.8 (2020): 5900–5908. Crossref. Web.