Research output: Contribution to journal › Article › peer-review
X-ray spectroscopy study of lithiated graphite obtained by thermal deposition of lithium. / Lapteva, L. L.; Fedoseeva, Yu V.; Gevko, P. N. et al.
In: Journal of Structural Chemistry, Vol. 58, No. 6, 01.11.2017, p. 1173-1179.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - X-ray spectroscopy study of lithiated graphite obtained by thermal deposition of lithium
AU - Lapteva, L. L.
AU - Fedoseeva, Yu V.
AU - Gevko, P. N.
AU - Smirnov, D. A.
AU - Gusel’nikov, A. V.
AU - Bulusheva, L. G.
AU - Okotrub, A. V.
PY - 2017/11/1
Y1 - 2017/11/1
N2 - X-ray photoelectron spectroscopy (XPS), X-ray emission spectroscopy (XES), and near edge X-ray absorption fine structure (NEXAFS) spectroscopy are used for in situ studies of the electronic structure of lithiated natural graphite produced by thermal deposition of lithium upon graphite in a vacuum. By XPS and NEXAFS spectroscopy it is found that lithium vapor thermal deposition results in the formation of a lithiated graphite surface layer and a change in its electronic structure. Based on the quantum chemical simulation of the experimental СKα XES spectrum of lithiated graphite, it is found that lithium atoms are located mostly on the edges of graphite crystallites. Atomic force microscopy reveals that the size of natural graphite flakes varies from 50 nm to 200 nm.
AB - X-ray photoelectron spectroscopy (XPS), X-ray emission spectroscopy (XES), and near edge X-ray absorption fine structure (NEXAFS) spectroscopy are used for in situ studies of the electronic structure of lithiated natural graphite produced by thermal deposition of lithium upon graphite in a vacuum. By XPS and NEXAFS spectroscopy it is found that lithium vapor thermal deposition results in the formation of a lithiated graphite surface layer and a change in its electronic structure. Based on the quantum chemical simulation of the experimental СKα XES spectrum of lithiated graphite, it is found that lithium atoms are located mostly on the edges of graphite crystallites. Atomic force microscopy reveals that the size of natural graphite flakes varies from 50 nm to 200 nm.
KW - lithiation
KW - natural graphite
KW - near edge X-ray absorption fine structure
KW - quantum chemical simulation
KW - thermal deposition
KW - X-ray emission spectroscopy
KW - X-ray photoelectron spectroscopy
KW - ION BATTERIES
KW - CARBON
KW - GRAPHENE
KW - INTERCALATION
KW - DENSITY
KW - 1ST-PRINCIPLES
KW - EMISSION-SPECTROSCOPY
KW - DIFFUSION
KW - ELECTRONIC-STRUCTURE
KW - PHOTOELECTRON-SPECTROSCOPY
UR - http://www.scopus.com/inward/record.url?scp=85036510328&partnerID=8YFLogxK
U2 - 10.1134/S0022476617060154
DO - 10.1134/S0022476617060154
M3 - Article
AN - SCOPUS:85036510328
VL - 58
SP - 1173
EP - 1179
JO - Journal of Structural Chemistry
JF - Journal of Structural Chemistry
SN - 0022-4766
IS - 6
ER -
ID: 9648405