From a one-mode to a multi-mode understanding of conical intersection mediated ultrafast organic photochemical reactions

Y Boeije, M Olivucci - Chemical Society Reviews, 2023 - pubs.rsc.org
Over the last few decades, conical intersections (CoIns) have grown from theoretical
curiosities into common mechanistic features of photochemical reactions, whose function is …

Modeling excited states of molecular organic aggregates for optoelectronics

FJ Hernández, R Crespo-Otero - Annual Review of Physical …, 2023 - annualreviews.org
Light-driven phenomena in organic molecular aggregates underpin several mechanisms
relevant to optoelectronic applications. Modeling these processes is essential for aiding the …

Nonadiabatic dynamics algorithms with only potential energies and gradients: Curvature-driven coherent switching with decay of mixing and curvature-driven …

Y Shu, L Zhang, X Chen, S Sun, Y Huang… - Journal of Chemical …, 2022 - ACS Publications
Direct dynamics by mixed quantum-classical nonadiabatic methods is an important tool for
understanding processes involving multiple electronic states. Very often, the computational …

Modeling nonadiabatic dynamics in condensed matter materials: some recent advances and applications

B Smith, AV Akimov - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
This review focuses on recent developments in the field of nonadiabatic molecular dynamics
(NA-MD), with particular attention given to condensed-matter systems. NA-MD simulations …

Oscillation in Excited State Lifetimes with Size of Sub-nanometer Neutral (TiO2)n Clusters Observed with Ultrafast Pump–Probe Spectroscopy

JM Garcia, LF Heald, RE Shaffer… - The Journal of Physical …, 2021 - ACS Publications
Neutral titanium oxide clusters of up to 1 nm in diameter (TiO2) n, with n< 10, are produced
in a laser vaporization source and subsequently ionized by a sequence of femtosecond …

Hot electron cooling in silicon nanoclusters via Landau–Zener nonadiabatic molecular dynamics: size dependence and role of surface termination

B Smith, AV Akimov - The Journal of Physical Chemistry Letters, 2020 - ACS Publications
We develop a new express methodology for modeling excited-state dynamics occurring in
dense manifolds of electronic states in atomistic systems. The approach leverages a …

Implementation of coherent switching with decay of mixing into the SHARC program

Y Shu, L Zhang, S Mai, S Sun, L González… - Journal of Chemical …, 2020 - ACS Publications
Simulation of electronically nonadiabatic dynamics is an important tool for understanding the
mechanisms of photochemical and photophysical processes. Two contrasting methods in …

Nonadiabatic Potential Energy Surfaces for a Molecule on a Surface as Found by Constrained Complete Active Space Theory

J Chen, J Subotnik - The Journal of Physical Chemistry Letters, 2023 - ACS Publications
In order to study electron-transfer mediated chemical processes on a metal surface, one
requires not one but two potential energy surfaces (one ground state and one excited state) …

Increased Excited State Metallicity in Neutral Cr2On Clusters (n < 5) upon Sequential Oxidation

JM Garcia, SG Sayres - Journal of the American Chemical Society, 2021 - ACS Publications
Excited state lifetimes of neutral Cr2O n (n< 5) clusters were measured using femtosecond
pump–probe spectroscopy. Density functional theory calculations reveal that the excited …

Theoretical Understanding on the Facilitated Photoisomerization of a Carbonyl Supported Borane System

HY Zhu, QS Li - ChemPhysChem, 2023 - Wiley Online Library
Boron compound BOMes2 containing an internal B− O bond undergoes highly efficient
photoisomerization, followed by sequential structural transformations, resulting in a rare …