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XPS study of the state of oxygen on a chemically treated glass surface
Author(s) -
Mohai M.,
Bertóti I.,
Révész M.
Publication year - 1990
Publication title -
surface and interface analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.52
H-Index - 90
eISSN - 1096-9918
pISSN - 0142-2421
DOI - 10.1002/sia.740150604
Subject(s) - x ray photoelectron spectroscopy , alkali metal , oxygen , chemical state , oxygen atom , binding energy , ion , analytical chemistry (journal) , chemistry , bridging (networking) , line (geometry) , materials science , atomic physics , molecule , nuclear magnetic resonance , physics , organic chemistry , computer network , geometry , mathematics , computer science
Abstract The O 1s line of an ordinary, untreated glass surface and of a glass surface in its dealkalized state were studied by XPS. One single O 1s peak was detected on the dealkalized sample at a binding energy (BE) of 532.5 eV while on the alkali‐containing sample, and also on the dealkalized sample after alkali solution treatment, a second peak at 531.1 eV BE also could be detected. Experimental data were backed by semi‐empirical quantum chemical calculations. The observed low BE component of the O 1s line, according to the outlined experimental evidence, is connected with the presence of alkali ions. This clearly contradicts earlier publications, interpreting the O 1s line as originating from oxygen atoms in bridging and non‐bridging positions.