Mn 2p and O 1s X-ray absorption spectroscopy of manganese oxides

被引：1

作者：

Eraky, Haytham ^{[1
]}

Dynes, James J. ^{[2
]}

Hitchcock, Adam P. ^{[1
]}

机构：

[1] McMaster Univ, Dept Chem & Chem Biol, Hamilton, ON L8S 4M1, Canada

[2] Canadian Light Source, Saskatoon, SK S7N2V3, Canada

来源：

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2024年 / 274卷

基金：

加拿大自然科学与工程研究理事会; 瑞典研究理事会;

关键词：

X-ray Absorption Spectroscopy; Manganese oxides; Scanning transmission X-ray microscopy STXM; Total electron yield (TEY); Zinc ion batteries; IN-SITU; STATE ANALYSIS; TRANSMISSION; SPECTROMICROSCOPY; PHOTOABSORPTION; MICROSCOPY; SCATTERING; BEAMLINE; VALENCE; CATION;

D O I：

10.1016/j.elspec.2024.147452

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Manganese oxides (MnOx) are used as electrode materials in many different energy storage applications such as batteries and supercapacitors. X-ray spectromicroscopy, using near edge X-ray absorption spectra (NEXAFS) for chemical speciation, is a powerful tool to study reduction and oxidation processes in such systems. High quality reference spectra are required for both qualitative identification and quantitative mapping of MnOx species. Here we present accurate, quantitative Mn 2p and O 1s NEXAFS spectra of MnO, MnSO4, Mn3O4, Mn2O3, alpha-MnO2, 13-MnO2, and KMnO4, measured using both transmission and total electron yield X-ray absorption techniques. An example of the use of these reference spectra in a study of Zn/MnO2 batteries is given.

引用

页数：10

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