volume 201 issue 1-2 pages 195-210

XPS and UPS studies of oxygen adsorption over clean and carbon-modified silver surfaces

V I Bukhityarov 1
A.L. VISHNEVSKII 1
G. K. Boreskov 1
V.I Savchenko 1
Publication typeJournal Article
Publication date1988-01-01
scimago Q2
wos Q3
SJR0.419
CiteScore3.5
Impact factor1.8
ISSN00396028, 18792758
Materials Chemistry
Surfaces, Coatings and Films
Condensed Matter Physics
Surfaces and Interfaces
Abstract
Oxygen adsorption over clean and carbon-modified silver surfaces has been studied by XPS and UPS in the temperature range 300–700 K under O 2 pressures from 10 −3 to 10 Pa. Adsorption over a clean silver surface at T >420 K leads to the appearance of atomically adsorbed oxygen on the surface, which is characterized by E B (O 1s) = 528.5 eV, high reactivity towards CO and a heat of adsorption of 100 kJ/mol. Subsurface oxygen is formed in small amounts. Increasing the O 2 pressure to 10 Pa does not lead to the formation of new adsorption forms. At T E B (C 1s)=287.8 eV and E B (O 1s)=530.6 eV are formed on the surface. During interaction of O 2 with the silver surface containing dissolved carbon in the bulk, the surface is modified by O and C due to CO bond formation in the subsurface region. The O 2 adsorption at high pressures (10 Pa) on the modified surface is characterized by the formation of a new oxygen state with E B =530.3 eV. Based on UPS spectra characteristics (the peak at E B θ 9.5 eV), this state is supposed to be of molecular form.
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GOST |
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GOST Copy
Boronin A. et al. XPS and UPS studies of oxygen adsorption over clean and carbon-modified silver surfaces // Surface Science. 1988. Vol. 201. No. 1-2. pp. 195-210.
GOST all authors (up to 50) Copy
Boronin A., Bukhityarov V. I., VISHNEVSKII A., Boreskov G. K., Savchenko V. XPS and UPS studies of oxygen adsorption over clean and carbon-modified silver surfaces // Surface Science. 1988. Vol. 201. No. 1-2. pp. 195-210.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/0039-6028(88)90606-1
UR - https://doi.org/10.1016/0039-6028(88)90606-1
TI - XPS and UPS studies of oxygen adsorption over clean and carbon-modified silver surfaces
T2 - Surface Science
AU - Boronin, Andrei
AU - Bukhityarov, V I
AU - VISHNEVSKII, A.L.
AU - Boreskov, G. K.
AU - Savchenko, V.I
PY - 1988
DA - 1988/01/01
PB - Elsevier
SP - 195-210
IS - 1-2
VL - 201
SN - 0039-6028
SN - 1879-2758
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{1988_Boronin,
author = {Andrei Boronin and V I Bukhityarov and A.L. VISHNEVSKII and G. K. Boreskov and V.I Savchenko},
title = {XPS and UPS studies of oxygen adsorption over clean and carbon-modified silver surfaces},
journal = {Surface Science},
year = {1988},
volume = {201},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/0039-6028(88)90606-1},
number = {1-2},
pages = {195--210},
doi = {10.1016/0039-6028(88)90606-1}
}
MLA
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MLA Copy
Boronin, Andrei, et al. “XPS and UPS studies of oxygen adsorption over clean and carbon-modified silver surfaces.” Surface Science, vol. 201, no. 1-2, Jan. 1988, pp. 195-210. https://doi.org/10.1016/0039-6028(88)90606-1.
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