Magnetic properties in α-MnO 2 doped with alkaline elements
2015年3月13日 · In this work, we studied the ferromagnetic behaviour in K-doped MnO 2 nanotubes. X-ray absorption near edge spectroscopy (XANES) indicates that Mn is very close …
XAFS of alkaline element doped MnO2. (a) XAFS spectra of K-MnO2 …
In this manuscript we report microwave-assisted synthesis of MnO2 embedded carbon nanotubes (MnO2@CNT) from Mn-H3BTC (benzene-1,3,5-carboxylic acid) metal organic frameworks …
Enhancing polyol/sugar cascade oxidation to formic acid with …
2023年7月26日 · In this study, we develop a defective MnO 2 catalyst through a coordination number reduction strategy to enhance the aerobic oxidation of various polyols/sugars to formic …
Relationship between Mn Oxidation State Changes and ... - ACS Publications
2021年5月16日 · In situ X-ray absorption and emission spectroscopies (XAS and XES) are used to provide details regarding the role of the accessibility and extent of redox activity of the Mn …
Tensile straining of iridium sites in manganese oxides for proton ...
2024年1月2日 · Herein, we present a low-iridium electrocatalyst in which tensile-strained iridium atoms are localized at manganese-oxide surface cation sites (TS-Ir/MnO 2) for high and …
Atomically dispersed hexavalent iridium oxide from MnO2
In this work, we report the successful synthesis of an atomically dispersed hexavalent iridium oxide (Ir VI - ado) and show that this material has higher mass-specific activity and stability …
a XANES spectra of Mn metal, MnO2, Mn/C, and MnNx/C. b
In this work, a set of MnO nanostructures supported on activated charcoal (MnO/C) with varying MnO loadings are prepared by ball milling followed by in-situ pyrolysis. The MnO/C …
Soft X-ray absorption spectroscopic investigation of MnO2…
2022年4月1日 · Electrochemistry and X-ray absorption spectroscopy (XAS) of MnO 2 /reduced graphene oxide (RGO) were made to evaluate capacitive performance and electronic structure …
Fourier-transformed XAFS spectra of different samples
This work demonstrates a more effective Pt-dispersed MnO2 catalyst than Pt-embedded MnO2 catalyst for HCHO oxidation, providing universally important guidance for metal-support …
二氧化锰多晶型物的EXAFS研究,Journal of Materials Science - X-MOL
EXAFS 提出了对二氧化锰中锰离子价态进行无损分析的可能性。 已尝试使用扩展 X 射线吸收精细结构 (EXAFS) 来研究二氧化锰的多晶型物（β、γ 和 α 型以及斜方锰矿）。 发现γ-MnO2 共生 …