In Situ/Operando Electrocatalyst Characterization by X-ray Absorption Spectroscopy

J Timoshenko, B Roldan Cuenya - Chemical reviews, 2020 - ACS Publications
During the last decades, X-ray absorption spectroscopy (XAS) has become an
indispensable method for probing the structure and composition of heterogeneous catalysts …

Charge-Separated Pdδ−–Cuδ+ Atom Pairs Promote CO2 Reduction to C2

Z Zhang, S Chen, J Zhu, C Ye, Y Mao, B Wang… - Nano Letters, 2023 - ACS Publications
Positively charged Cu sites have been confirmed to significantly promote the production of
multicarbon (C2) products from an electrochemical CO2 reduction reaction (CO2RR) …

Preparation, structure, properties, and application of copper nitride (Cu3N) thin films: A review

A Jiang, M Qi, J Xiao - Journal of materials science & technology, 2018 - Elsevier
Copper nitride (Cu 3 N) thin films display typical trans-rhenium trioxide structures. They
exhibit excellent physical properties, low cost, nontoxicity, and high stability under room …

Production of C2/C3 Oxygenates from Planar Copper Nitride-Derived Mesoporous Copper via Electrochemical Reduction of CO2

M Ebaid, K Jiang, Z Zhang, WS Drisdell… - Chemistry of …, 2020 - ACS Publications
Electrochemical reduction of CO2 provides an opportunity to produce fuels and chemicals in
a carbon-neutral manner, assuming that CO2 can be captured from the atmosphere. To do …

Watching nanomaterials with X-ray eyes: Probing different length scales by combining scattering with spectroscopy

C Giannini, V Holy, L De Caro, L Mino… - Progress in Materials …, 2020 - Elsevier
Everybody dreams to have X-ray eyes and discover the most invisible secrets of the world
around us. X-rays can probe matter (depth resolved) down to atomic resolution, if relying on …

Substitution mechanisms in In-, Au-, and Cu-bearing sphalerites studied by X-ray absorption spectroscopy of synthetic compounds and natural minerals

ON Filimonova, AL Trigub, DE Tonkacheev… - Mineralogical …, 2019 - cambridge.org
Sphalerite is the main source of In–a 'critical'metal widely used in high-tech electronics. In
this mineral the concentration of In is commonly correlated directly with Cu content. Here we …

Solving the structure and dynamics of metal nanoparticles by combining X-ray absorption fine structure spectroscopy and atomistic structure simulations

J Timoshenko, Z Duan, G Henkelman… - Annual Review of …, 2019 - annualreviews.org
Extended X-ray absorption fine structure (EXAFS) spectroscopy is a premiere method for
analysis of the structure and structural transformation of nanoparticles. Extraction of …

Experimental determination of gold speciation in sulfide-rich hydrothermal fluids under a wide range of redox conditions

AL Trigub, BR Tagirov, KO Kvashnina, S Lafuerza… - Chemical …, 2017 - Elsevier
The redox state of hydrothermal fluids, which form economic deposits of noble metals, varies
in wide limits–from oxidized ones typical for porphyry mineralization to reduced, which form …

Local structural investigation of hafnia-zirconia polymorphs in powders and thin films by X-ray absorption spectroscopy

T Schenk, A Anspoks, I Jonane, R Ignatans… - Acta Materialia, 2019 - Elsevier
Despite increasing attention for the recently found ferro-and antiferroelectric properties, the
polymorphism in hafnia-and zirconia-based thin films is still not sufficiently understood. In …

Nearest-neighbour distribution of distances in crystals from extended X-ray absorption fine structure

P Fornasini, R Grisenti, M Dapiaggi… - The Journal of …, 2017 - pubs.aip.org
Extended X-ray absorption fine structure (EXAFS) is a powerful probe of the distribution of
nearest-neighbour distances around selected atomic species. We consider here the effect of …