Roadmap and Direction toward High-Performance MoS2 Hydrogen Evolution Catalysts

Y Cao - ACS nano, 2021 - ACS Publications
MoS2 intrinsically show Pt-like hydrogen evolution reaction (HER) performance. Pristine
MoS2 displayed low HER activity, which was caused by low quantities of catalytic sites and …

Advances and Challenges in Speciation Measurement and Microkinetic Modeling for Gas–Solid Heterogeneous Catalysis

W Yuan, Z Xiong, M Zeng, Z Zhou, Z Wang… - The Journal of …, 2025 - ACS Publications
Microkinetic modeling of heterogeneous catalysis serves as an efficient tool bridging atom-
scale first-principles calculations and macroscale industrial reactor simulations …

Imaging Gas-Phase Methyl Radicals over a Ag/SiO2 Catalyst during the Partial Oxidation of Methanol

S Pfaff, E Huang, JH Frank - ACS Catalysis, 2024 - ACS Publications
We report the operando imaging of the methyl radical mole fraction above a working
catalyst. Using photofragmentation laser-induced fluorescence (PF-LIF), we imaged methyl …

Toward an ab Initio Description of Adsorbate Surface Dynamics

S Sivakumar, A Kulkarni - The Journal of Physical Chemistry C, 2024 - ACS Publications
The advent of machine learning potentials (MLPs) provides a unique opportunity to access
simulation time scales and to directly compute physicochemical properties that are typically …

2D imaging of absolute methyl concentrations in nanosecond pulsed plasma by photo-fragmentation laser-induced fluorescence

D van den Bekerom, C Richards… - Plasma Sources …, 2022 - iopscience.iop.org
The methyl radical plays a central role in plasma-assisted hydrocarbon chemistry but is
challenging to detect due to its high reactivity and strongly pre-dissociative electronically …

Gas-phase hydrogen-atom measurement above catalytic and noncatalytic materials during ethane dehydrogenation

SA Steinmetz, AT DeLaRiva, C Riley… - The Journal of …, 2022 - ACS Publications
The role of a solid surface for initiating gas-phase reactions is still not well understood. The
hydrogen atom (H) is an important intermediate in gas-phase ethane dehydrogenation and …

[HTML][HTML] Advances in imaging of chemically reacting flows

JH Frank - The Journal of Chemical Physics, 2021 - pubs.aip.org
Many important chemically reacting systems are inherently multi-dimensional with spatial
and temporal variations in the thermochemical state, which can be strongly coupled to …

Constraining reaction pathways for methanol oxidation through operando interrogation of both the surface and the near-surface gas phase

SM Gurses, N Felvey, LR Filardi, AJ Zhang, J Wood… - Chem Catalysis, 2023 - cell.com
We combine near-surface molecular beam mass spectrometry—a probe of the gas phase
within hundreds of micrometers of catalyst surfaces—and surface-sensitive infrared …

[HTML][HTML] Experimental investigation of NO reduction by H2 on Pd using planar laser-induced fluorescence

S Wan, T Häber, P Lott, R Suntz… - Applications in Energy …, 2023 - Elsevier
This study investigates the NO reduction by H 2 on a Pd/Al 2 O 3 catalyst in a temperature
range of 100–300° C and NO/H 2 ratios from 0.5–2, aiming to gain a deeper understanding …

Plasma-Assisted Chemical-Looping Combustion: Low-Temperature Methane and Ethylene Oxidation with Nickel Oxide

CM Burger, AJ Zhang, Y Xu, N Hansen… - The Journal of Physical …, 2023 - ACS Publications
The chemical reaction network of low-temperature plasma-assisted oxidation of methane
(CH4) and ethylene (C2H4) with nickel oxide (NiO) was investigated in a heated plasma …