Decoherence and its role in electronically nonadiabatic dynamics

Y Shu, DG Truhlar - Journal of Chemical Theory and Computation, 2023 - ACS Publications
Decoherence is the tendency of a time-evolved reduced density matrix for a subsystem to
assume a form corresponding to a statistical ensemble of states rather than a coherent …

Two-Dimensional Electronic Spectroscopy Resolves Relative Excited-State Displacements

G Bressan, D Green, GA Jones, IA Heisler… - The Journal of …, 2024 - ACS Publications
Knowledge of relative displacements between potential energy surfaces (PES) is critical in
spectroscopy and photochemistry. Information on displacements is encoded in vibrational …

Half-broadband two-dimensional electronic spectroscopy with active noise reduction

G Bressan, IA Heisler, GM Greetham, A Edmeades… - Optics …, 2023 - opg.optica.org
Two-dimensional electronic spectroscopy (2DES) provides detailed insight into coherent
ultrafast molecular dynamics in the condensed phase. Here we report a referenced …

Thieno [3, 4‐b] thiadiazole Based Donor‐Acceptor Cyclic Oligomers: Ring Size‐Dependent Photophysical Properties and Efficient Near‐Infrared Electroluminescence …

W Zhang, W Liu, Z Xu, K An, QH Li… - Advanced Functional …, 2024 - Wiley Online Library
Organic donor‐acceptor (D‐A) conjugated macrocycles, which are regarded as terminal‐
less counterparts of linear π‐systems, have emerged as a promising class material for …

Ultrafast and Coherent Dynamics in a Solvent Switchable" Pink Box" Perylene Diimide Dimer

G Bressan, S Penty, D Green, I Heisler… - Angewandte Chemie …, 2024 - Wiley Online Library
Perylene diimide (PDI) dimers and higher aggregates are key components in organic
molecular photonics and photovoltaic devices, supporting singlet fission and symmetry …

Photoexcited Energy Relaxation in Porphyrin Nanorings

KJ Rueda Espinosa, AA Kananenka - The Journal of Physical …, 2024 - ACS Publications
Natural photosynthetic systems convert solar energy to chemical energy with an extremely
high efficiency. Synthetic chromophore arrays are promising models for understanding and …

Vibrational coherences in half-broadband 2D electronic spectroscopy: Spectral filtering to identify excited state displacements

D Green, G Bressan, IA Heisler, SR Meech… - The Journal of …, 2024 - pubs.aip.org
Vibrational coherences in ultrafast pump–probe (PP) and 2D electronic spectroscopy
(2DES) provide insights into the excited state dynamics of molecules. Femtosecond …

Separating Vibrational Coherences in Ground/Excited Electronic States of Solvent/Solute Following Non‐Resonant/Resonant Impulsive Excitation

S Dhamija, G Bhutani, AK De - ChemPhysChem, 2023 - Wiley Online Library
In a quest to track down the origin of coherent vibrational motions observed in femtosecond
pump‐probe transients, whether they arise from ground/excited electronic state of solute or …

Half-Broadband Two-dimensional Electronic Spectroscopy with Active Noise Reduction

S Meech, G Bressan, I Heisler, G Greetham… - 2023 - preprints.opticaopen.org
Two-dimensional electronic spectroscopy (2DES) provides detailed insight into coherent
ultrafast molecular dynamics in the condensed phase. Here we report a referenced …

Vibrational coherences in broadband 2D electronic spectroscopy: spectral filtering vs. excited state displacement

D Green, G Bressan, SR Meech… - Time Resolved …, 2023 - ueaeprints.uea.ac.uk
Coherences in ultrafast 2D electronic spectroscopy (2DES) reveal superpositions of
quantum states corresponding to the motion of wavepackets within the potential energy …