Carbon dioxide gas, CO2(g), by near-ambient pressure XPS

被引：24

作者：

Avval, Tahereh G. ^{[1
]}

Chatterjee, Shiladitya ^{[1
]}

Bahr, Stephan ^{[2
]}

Dietrich, Paul ^{[2
]}

Meyer, Michael ^{[2
]}

Thissen, Andreas ^{[2
]}

Linford, Matthew R. ^{[1
]}

机构：

[1] Brigham Young Univ, Dept Chem & Biochem, C100 BNSN, Provo, UT 84602 USA

[2] SPECS Surface Nano Anal GmbHm, Voltastr 5, D-13355 Berlin, Germany

来源：

SURFACE SCIENCE SPECTRA | 2019年 / 26卷 / 01期

关键词：

near-ambient pressure X-ray photoelectron spectroscopy; NAP-XPS; XPS; carbon dioxide; CO2(g); RAY PHOTOELECTRON-SPECTROSCOPY; OXIDATION; COPPER; STATES;

D O I：

10.1116/1.5053761

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

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 2500Pa. 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 N-2(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.

引用

页数：8

共 19 条

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