XAFS study of copper(II) complexes with square planar and square ...
Aug 15, 2016 · The inference drawn from XANES features have been confirmed by the EXAFS analysis in which the paths obtained from square planar model of Cu (II) oxide and an axial Cu …
Engineering unsymmetrically coordinated Cu-S - Nature
Jun 16, 2020 · Herein, we developed a hierarchically porous carbon based single copper atom catalyst toward ORR, by rationally controlling the unsymmetrical interface structure of central …
Inverse ZrO2/Cu as a highly efficient methanol synthesis ... - Nature
Nov 13, 2020 · In situ XRD-PDF, XAFS and AP-XPS structural studies reveal that the inverse ZrO 2 /Cu catalysts are composed of islands of partially reduced 1–2 nm amorphous ZrO 2 …
Disclosing the Redox Pathway Behind the Excellent Performance of CuS …
Herein, we overcome XRD's limitations and investigate the CuS reaction mechanism in a solid-state electrochemical cell by combining a chemometric technique, i.e., Multivariate Curve …
XAFS characterization of Cu chemical state. (A) XANES at the Cu K …
The intercalation of Cu increases the Nb-Nb distance paralleling to the c axis by d Nb-Nb = 0.063 nm in Cu 1.2 x-ray near-edge spectroscopy (XANES) and extended XAFS (EXAFS), which are...
3D Precise Structure Determination of Single-Atom Cu Species on …
2 days ago · We have developed a chemically constrained micro reverse Monte Carlo (CC-MRMC) method and have statistically determined the three-dimensional (3D) structure of …
Interfacial Chemistry in the Electrocatalytic Hydrogenation of CO
The Cu K-edge XAFS data for CuZn/G in 0.1 M CO 2 -saturated KHCO 3 aqueous solution and at open-circuit potential (OCP) in Figure S6 and Table S2 show that the Cu phase undergoes a …
XAFS study of Cu model compounds and Cu - GeoScienceWorld
Jan 1, 2000 · The XAFS results of Cu 2+ sorption samples are consistent with the presence of Jahn-Teller distorted Cu 2+ (O,OH) 6 octahedra, with four equatorial Cu-O bonds (1.95 Å) and …
XAFS study on single-atomic-site Cu1/N-graphene catalyst for …
Oct 1, 2020 · Here we construct an electrocatalyst with atomically dispersed Cu atoms confined in N-doped graphene by a facile pyrolysis process. The extended X-ray absorption fine structure …
Interfacing CrOx and CuS for synergistically enhanced water …
Feb 1, 2023 · In order to have depth insight into the structural change after CuS growth, we performed Fourier transform (FT) EXAFS analysis at Cr K-edge (Fig. 5 c) for CrOx, CrOx-CuS …