The role of dynamics in heterogeneous catalysis: Surface diffusivity and N2 decomposition on Fe(111)

L Bonati, D Polino, C Pizzolitto… - Proceedings of the …, 2023 - National Acad Sciences
Dynamics has long been recognized to play an important role in heterogeneous catalytic
processes. However, until recently, it has been impossible to study their dynamical behavior …

Lithium‐Mediated Nitrogen Reduction for Ammonia Synthesis: Reviewing the Gap between Continuous Electrolytic Cells and Stepwise Processes through Galvanic Li …

A Mangini, L Fagiolari, A Sacchetti… - Advanced Energy …, 2024 - Wiley Online Library
Electrochemical N2 reduction reaction (E‐NRR) has recently gained increasing interest
within the scientific community, due to the ongoing energy crisis and pursuit of process …

The Potential of Neural Network Potentials

TT Duignan - ACS Physical Chemistry Au, 2024 - ACS Publications
In the next half-century, physical chemistry will likely undergo a profound transformation,
driven predominantly by the combination of recent advances in quantum chemistry and …

How Does Structural Disorder Impact Heterogeneous Catalysts? The Case of Ammonia Decomposition on Non-stoichiometric Lithium Imide

F Mambretti, U Raucci, M Yang, M Parrinello - ACS Catalysis, 2024 - ACS Publications
Among the many catalysts suggested for ammonia decomposition, Li2NH has been shown
to be quite promising. In the recent past, we have performed extensive ab initio-quality …

How Poisoning Is Avoided in a Step of Relevance to the Haber–Bosch Catalysis

S Tripathi, L Bonati, S Perego, M Parrinello - ACS Catalysis, 2024 - ACS Publications
For a catalyst to be efficient and durable, it is crucial that the reaction products do not poison
the catalyst. In the case of the Haber–Bosch process, the rate-limiting step is believed to be …

Electrochemical Degradation of Pt3Co Nanoparticles Investigated by Off-Lattice Kinetic Monte Carlo Simulations with Machine-Learned Potentials

J Jung, S Ju, P Kim, D Hong, W Jeong, J Lee… - ACS …, 2023 - ACS Publications
In fuel cell applications, the durability of catalysts is critical for large-scale industrial
implementation. However, limited synthesis controllability and spectroscopic resolution …

Reverse water gas-shift reaction product driven dynamic activation of molybdenum nitride catalyst surface

H Xin, R Li, L Lin, R Mu, M Li, D Li, Q Fu… - Nature …, 2024 - nature.com
In heterogeneous catalysis catalyst activation is often observed during the reaction process,
which is mostly attributed to the induction by reactants. In this work we report that surface …

Prebiotic chemical reactivity in solution with quantum accuracy and microsecond sampling using neural network potentials

Z Benayad, R David… - Proceedings of the …, 2024 - National Acad Sciences
While RNA appears as a good candidate for the first autocatalytic systems preceding the
emergence of modern life, the synthesis of RNA oligonucleotides without enzymes remains …

Kinetic View of Enzyme Catalysis from Enhanced Sampling QM/MM Simulations

D Ray, S Das, U Raucci - Journal of Chemical Information and …, 2024 - ACS Publications
The rate constants of enzyme-catalyzed reactions (k cat) are often approximated from the
barrier height of the reactive step. We introduce an enhanced sampling QM/MM approach …

How dynamics changes ammonia cracking on iron surfaces

S Perego, L Bonati, S Tripathi, M Parrinello - ACS Catalysis, 2024 - ACS Publications
Being rich in hydrogen and easy to transport, ammonia is a promising hydrogen carrier.
However, a microscopic characterization of the ammonia cracking reaction is still lacking …