Manganese acting as a high-performance heterogeneous ... - Nature
Jul 5, 2019 · Here we demonstrate that the electrocatalytic activity of manganese-based heterogeneous catalyst can be significantly improved through halogen and nitrogen dual …
A Mn-N3 single-atom catalyst embedded in graphitic carbon ... - Nature
Aug 28, 2020 · In situ X-ray absorption spectra and density functional theory calculations demonstrate that the remarkable performance of the catalyst is attributed to the Mn-N 3 site, …
Relationship between Mn Oxidation State Changes and Oxygen …
May 16, 2021 · In situ X-ray absorption near-edge structure (XANES) studies enable identification of the oxidation states of the metal atoms, while the extended X-ray absorption fine structure …
Acid-stable manganese oxides for proton exchange membrane …
Jan 17, 2024 · Here we report that optimizing the lattice oxygen structure of manganese oxide allows it to sustain the oxygen evolution reaction for over one month at 1,000 mA cm −2 in 1 M …
Mn N4 Oxygen Reduction Electrocatalyst: Operando …
Dec 31, 2020 · Evidenced from the ex situ aberration-corrected (AC) high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) and X-ray absorption fine …
A pre-edge analysis of Mn K-edge XANES spectra to help
Jul 22, 2008 · In this study, we present the results of a high-resolution XANES spectroscopy study obtained for 40 Mn-bearing model compounds, including numerous natural and some …
Doped or not doped? Importance of the local structure of Mn (II) in Mn ...
Sep 1, 2021 · XAFS spectroscopy were employed to probe the local structure around Mn atoms in the Mn doped lead halide perovskite NCs. Mn K-edge for the samples were measured at P64 …
XAFS analysis and luminescent properties of ZnS:Mn
Mar 1, 2010 · X-ray absorption fine structure (XAFS) measurements were carried out to probe the local environment surrounding the Mn ions in the NPs and the NRs. The results showed that …
Evidenced from the ex situ aberration-corrected (AC) high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) and X-ray absorption fine structure (XAFS), …
The calcination process of the silica-supported Mn catalysts was investigated by means of in-situ XAFS technique using various Mn precursors. The hydrated Mn salts were first formed on …
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