Emerging atomistic modeling methods for heterogeneous electrocatalysis

Z Levell, J Le, S Yu, R Wang, S Ethirajan… - Chemical …, 2024 - ACS Publications
Heterogeneous electrocatalysis lies at the center of various technologies that could help
enable a sustainable future. However, its complexity makes it challenging to accurately and …

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 …

Oxygen K-edge X-ray absorption spectra

F Frati, MOJY Hunault, FMF De Groot - Chemical reviews, 2020 - ACS Publications
We review oxygen K-edge X-ray absorption spectra of both molecules and solids. We start
with an overview of the main experimental aspects of oxygen K-edge X-ray absorption …

“Inverting” X-ray absorption spectra of catalysts by machine learning in search for activity descriptors

J Timoshenko, AI Frenkel - Acs Catalysis, 2019 - ACS Publications
The rapid growth of methods emerging in the past decade for synthesis of “designer”
catalysts—ranging from the size and shape-selected nanoparticles to mass-selected …

State-targeted energy projection: A simple and robust approach to orbital relaxation of non-Aufbau self-consistent field solutions

K Carter-Fenk, JM Herbert - Journal of Chemical Theory and …, 2020 - ACS Publications
Orbital optimization is crucial when using a non-Aufbau Slater determinant that involves
promotion of an electron from a (nominally) occupied molecular orbital to an unoccupied …

The band structure and optical absorption of hematite (α-Fe 2 O 3): a first-principles GW-BSE study

S Piccinin - Physical Chemistry Chemical Physics, 2019 - pubs.rsc.org
Hematite (α-Fe2O3) is a widely investigated photocatalyst material for the oxygen evolution
reaction, a key step in photoelectrochemical water splitting. Having a suitable band gap for …

Classification of local chemical environments from x-ray absorption spectra using supervised machine learning

MR Carbone, S Yoo, M Topsakal, D Lu - Physical Review Materials, 2019 - APS
X-ray absorption spectroscopy is a premier element-specific technique for materials
characterization. Specifically, the x-ray absorption near-edge structure (XANES) encodes …

Molecular modes of attosecond charge migration

AS Folorunso, A Bruner, F Mauger, KA Hamer… - Physical review …, 2021 - APS
First-principles calculations are employed to elucidate the modes of attosecond charge
migration (CM) in halogenated hydrocarbon chains. We use constrained density functional …

Deciphering the oxygen absorption pre‐edge: a caveat on its application for probing oxygen redox reactions in batteries

S Roychoudhury, R Qiao, Z Zhuo, Q Li… - Energy & …, 2021 - Wiley Online Library
The pre‐edges of oxygen‐KX‐ray absorption spectra have been ubiquitous in transition
metal (TM) oxide studies in various fields, especially on the fervent topic of oxygen redox …

All-Electron BSE@GW Method for K-Edge Core Electron Excitation Energies

Y Yao, D Golze, P Rinke, V Blum… - Journal of Chemical …, 2022 - ACS Publications
We present an accurate computational approach to calculate absolute K-edge core electron
excitation energies as measured by X-ray absorption spectroscopy. Our approach employs …