[HTML][HTML] Theoretical insights into ultrafast dynamics in quantum materials

M Guan, D Chen, S Hu, H Zhao, P You, S Meng - Ultrafast science, 2022 - spj.science.org
The last few decades have witnessed the extraordinary advances in theoretical and
experimental tools, which have enabled the manipulation and monitoring of ultrafast …

Structural disorder in higher-temperature phases increases charge carrier lifetimes in metal halide perovskites

R Shi, Q Fang, AS Vasenko, R Long… - Journal of the …, 2022 - ACS Publications
Solar cells and optoelectronic devices are exposed to heat that degrades performance.
Therefore, elucidating temperature-dependent charge carrier dynamics is essential for …

Unsupervised Machine Learning in the Analysis of Nonadiabatic Molecular Dynamics Simulation

Y Zhu, J Peng, C Xu, Z Lan - The Journal of Physical Chemistry …, 2024 - ACS Publications
The all-atomic full-dimensional-level simulations of nonadiabatic molecular dynamics
(NAMD) in large realistic systems has received high research interest in recent years …

Optical Control of Multistage Phase Transition via Phonon Coupling in

MX Guan, XB Liu, DQ Chen, XY Li, YP Qi, Q Yang… - Physical Review Letters, 2022 - APS
The temporal characters of laser-driven phase transition from 2 H to 1 T′ has been
investigated in the prototype MoTe 2 monolayer. This process is found to be induced by …

Correlated electron–nuclear dynamics of photoinduced water dissociation on rutile TiO2

P You, D Chen, X Liu, C Zhang, A Selloni, S Meng - Nature Materials, 2024 - nature.com
Elucidating the mechanism of photoinduced water splitting on TiO2 is important for
advancing the understanding of photocatalysis and the ability to control photocatalytic …

Giant acceleration of polaron transport by ultrafast laser-induced coherent phonons

HM Wang, XB Liu, SQ Hu, DQ Chen, Q Chen… - Science …, 2023 - science.org
Polaron formation is ubiquitous in polarized materials, but severely hampers carrier
transport for which effective controlling methods are urgently needed. Here, we show that …

Nonadiabatic dynamics of photocatalytic water splitting on a polymeric semiconductor

P You, C Lian, D Chen, J Xu, C Zhang, S Meng… - Nano Letters, 2021 - ACS Publications
To elucidate the nature of light-driven photocatalytic water splitting, a polymeric
semiconductor—graphitic carbon nitride (g-C3N4)—has been chosen as a prototype …

Calibrating Out-of-Equilibrium Electron–Phonon Couplings in Photoexcited MoS2

XB Liu, SQ Hu, D Chen, M Guan, Q Chen, S Meng - Nano Letters, 2022 - ACS Publications
Nonequilibrium electron–phonon coupling (EPC) serves as a dominant interaction in a
multitude of transient processes, including photoinduced phase transitions, coherent …

Interpolating Nonadiabatic Molecular Dynamics Hamiltonian with Bidirectional Long Short-Term Memory Networks

B Wang, L Winkler, Y Wu, KR Müller… - The Journal of …, 2023 - ACS Publications
Essential for understanding far-from-equilibrium processes, nonadiabatic (NA) molecular
dynamics (MD) requires expensive calculations of the excitation energies and NA couplings …

Ab initio electronic structure calculations based on numerical atomic orbitals: Basic fomalisms and recent progresses

P Lin, X Ren, X Liu, L He - Wiley Interdisciplinary Reviews …, 2024 - Wiley Online Library
The numerical atomic orbital (NAO) basis sets offer a computationally efficient option for
electronic structure calculations, as they require fewer basis functions compared with other …