Quantum chemical studies of light harvesting

C Curutchet, B Mennucci - Chemical reviews, 2017 - ACS Publications
The design of optimal light-harvesting (supra) molecular systems and materials is one of the
most challenging frontiers of science. Theoretical methods and computational models play a …

Semiclassical path integral dynamics: Photosynthetic energy transfer with realistic environment interactions

MK Lee, P Huo, DF Coker - Annual review of physical chemistry, 2016 - annualreviews.org
This article reviews recent progress in the theoretical modeling of excitation energy transfer
(EET) processes in natural light harvesting complexes. The iterative partial linearized …

DFTB/MM molecular dynamics simulations of the FMO light-harvesting complex

S Maity, BM Bold, JD Prajapati, M Sokolov… - The Journal of …, 2020 - ACS Publications
Because of the size of light-harvesting complexes and the involvement of electronic degrees
of freedom, computationally these systems need to be treated with a combined quantum …

Predicting mutation-induced changes in the electronic properties of photosynthetic proteins from first principles: The Fenna–Matthews–Olson complex example

Y Kim, Z Mitchell, J Lawrence, D Morozov… - The Journal of …, 2023 - ACS Publications
Multiscale molecular modeling is utilized to predict optical absorption and circular dichroism
spectra of two single-point mutants of the Fenna–Matthews–Olson photosynthetic pigment …

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 …

Influence of Force Fields and Quantum Chemistry Approach on Spectral Densities of BChl a in Solution and in FMO Proteins

S Chandrasekaran, M Aghtar, S Valleau… - The Journal of …, 2015 - ACS Publications
Studies on light-harvesting (LH) systems have attracted much attention after the finding of
long-lived quantum coherences in the exciton dynamics of the Fenna–Matthews–Olson …

Non-radiative relaxation of photoexcited chlorophylls: theoretical and experimental study

WP Bricker, PM Shenai, A Ghosh, Z Liu… - Scientific reports, 2015 - nature.com
Nonradiative relaxation of high-energy excited states to the lowest excited state in
chlorophylls marks the first step in the process of photosynthesis. We perform ultrafast …

Spectral densities and absorption spectra of the core antenna complex CP43 from photosystem II

P Sarngadharan, S Maity… - The Journal of Chemical …, 2022 - pubs.aip.org
Besides absorbing light, the core antenna complex CP43 of photosystem II is of great
importance in transferring excitation energy from the antenna complexes to the reaction …

Predicting solvatochromic shifts and colours of a solvated organic dye: The example of nile red

TJ Zuehlsdorff, PD Haynes, MC Payne… - The Journal of Chemical …, 2017 - pubs.aip.org
The solvatochromic shift, as well as the change in colour of the simple organic dye nile red,
is studied in two polar and two non-polar solvents in the context of large-scale time …

Cavity-Mediated Enhancement of the Energy Transfer in the Reduced Fenna–Matthews–Olson Complex

LE Herrera Rodríguez, A Sindhu… - Journal of Chemical …, 2024 - ACS Publications
Strong light-matter interaction leads to the formation of hybrid polariton states and can alter
the light-harvesting properties of natural photosynthetic systems without modifying their …