Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
DFT Study of WS2-Based Nanotubes Electronic Properties under Torsion Deformations. / Домнин, Антон Владимирович; Михайлов, Илья Евгеньевич; Эварестов, Роберт Александрович.
в: Nanomaterials, Том 13, № 19, 2699, 04.10.2023.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - DFT Study of WS2-Based Nanotubes Electronic Properties under Torsion Deformations
AU - Домнин, Антон Владимирович
AU - Михайлов, Илья Евгеньевич
AU - Эварестов, Роберт Александрович
PY - 2023/10/4
Y1 - 2023/10/4
N2 - In this study, the influence of torsional deformations on the properties of chiral WS 2-based nanotubes was investigated. All calculations presented in this study were performed using the density functional theory (DFT) and atomic gaussian type orbitals basis set. Nanotubes with chirality indices (8, 2), (12, 3), (24, 6) and (36, 9) corresponding to diameters of 10.68 Å, 14.90 Å, 28.26 Å and 41.90 Å, respectively, are examined. Our results reveal that for nanotubes with smaller diameters, the structure obtained through rolling from a slab is not optimal and undergoes spontaneous deformation. Furthermore, this study demonstrates that the nanotube torsion deformation leads to a reduction in the band gap. This observation suggests the potential for utilizing such torsional deformations to enhance the photocatalytic activity of the nanotubes.
AB - In this study, the influence of torsional deformations on the properties of chiral WS 2-based nanotubes was investigated. All calculations presented in this study were performed using the density functional theory (DFT) and atomic gaussian type orbitals basis set. Nanotubes with chirality indices (8, 2), (12, 3), (24, 6) and (36, 9) corresponding to diameters of 10.68 Å, 14.90 Å, 28.26 Å and 41.90 Å, respectively, are examined. Our results reveal that for nanotubes with smaller diameters, the structure obtained through rolling from a slab is not optimal and undergoes spontaneous deformation. Furthermore, this study demonstrates that the nanotube torsion deformation leads to a reduction in the band gap. This observation suggests the potential for utilizing such torsional deformations to enhance the photocatalytic activity of the nanotubes.
KW - density functional theory (DFT)
KW - line groups theory
KW - nanotubes
KW - torsion deformation
KW - tungsten disulfide
UR - https://www.mendeley.com/catalogue/f386f5b8-8944-39bc-8bb1-b1bbe6e7a655/
U2 - 10.3390/nano13192699
DO - 10.3390/nano13192699
M3 - Article
C2 - 37836340
VL - 13
JO - Nanomaterials
JF - Nanomaterials
SN - 2079-4991
IS - 19
M1 - 2699
ER -
ID: 111127655