Near-ambient pressure x-ray photoelectron spectroscopy (NAP-XPS) is a less traditional form of XPS that allows samples to be analyzed at relatively high pressures, i.e., at greater than 2500 Pa. With NAP-XPS, XPS can probe moderately volatile liquids, biological samples, porous materials, and/or polymeric materials that outgas significantly. In this submission, we show the survey, O 1s, C 1s, valence band, O KLL Auger, and C KLL Auger NAP-XPS spectra of gaseous carbon dioxide, CO2, a material that would be difficult to analyze by conventional XPS. A small N 1s signal from N2(g) is also observed in the survey spectrum. The C 1s and O 1s signals in the narrow scans are fit to Gaussian–Lorentzian sum and asymmetric Lorentzian (LA) functions. Better fits are obtained with the LA synthetic line shape. Since it is likely that CO2(g) will be present in other NAP-XPS analyses, these data should serve as a useful reference for other researchers.
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June 2019
Research Article|
July 16 2019
Carbon dioxide gas, CO2(g), by near-ambient pressure XPS
Tahereh G. Avval;
Tahereh G. Avval
1
Department of Chemistry and Biochemistry, Brigham Young University
, C100 BNSN, Provo, Utah 84602
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Shiladitya Chatterjee;
Shiladitya Chatterjee
1
Department of Chemistry and Biochemistry, Brigham Young University
, C100 BNSN, Provo, Utah 84602
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Stephan Bahr;
Stephan Bahr
2
SPECS Surface Nano Analysis GmbHm
, Voltastrasse 5, 13355 Berlin, Germany
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Paul Dietrich
;
Paul Dietrich
2
SPECS Surface Nano Analysis GmbHm
, Voltastrasse 5, 13355 Berlin, Germany
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Michael Meyer;
Michael Meyer
2
SPECS Surface Nano Analysis GmbHm
, Voltastrasse 5, 13355 Berlin, Germany
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Andreas Thißen;
Andreas Thißen
2
SPECS Surface Nano Analysis GmbHm
, Voltastrasse 5, 13355 Berlin, Germany
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Matthew R. Linford
Matthew R. Linford
a)
1
Department of Chemistry and Biochemistry, Brigham Young University
, C100 BNSN, Provo, Utah 84602
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Tahereh G. Avval
1
Shiladitya Chatterjee
1
Stephan Bahr
2
Paul Dietrich
2
Michael Meyer
2
Andreas Thißen
2
Matthew R. Linford
1,a)
1
Department of Chemistry and Biochemistry, Brigham Young University
, C100 BNSN, Provo, Utah 84602
2
SPECS Surface Nano Analysis GmbHm
, Voltastrasse 5, 13355 Berlin, Germany
a)
Electronic mail: [email protected]
Surf. Sci. Spectra 26, 014022 (2019)
Article history
Received:
August 25 2018
Accepted:
May 21 2019
Citation
Tahereh G. Avval, Shiladitya Chatterjee, Stephan Bahr, Paul Dietrich, Michael Meyer, Andreas Thißen, Matthew R. Linford; Carbon dioxide gas, CO2(g), by near-ambient pressure XPS. Surf. Sci. Spectra 1 June 2019; 26 (1): 014022. https://doi.org/10.1116/1.5053761
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