The subsystem quantum chemistry program Serenity

N Niemeyer, P Eschenbach… - Wiley …, 2023 - Wiley Online Library
Abstract SERENITY [J Comput Chem. 2018; 39: 788–798] is an open‐source quantum
chemistry software that provides an extensive development platform focused on quantum …

Photosynthetic light-harvesting (antenna) complexes—structures and functions

H Lokstein, G Renger, JP Götze - Molecules, 2021 - mdpi.com
Chlorophylls and bacteriochlorophylls, together with carotenoids, serve, noncovalently
bound to specific apoproteins, as principal light-harvesting and energy-transforming …

Exciton transport in molecular organic semiconductors boosted by transient quantum delocalization

S Giannini, WT Peng, L Cupellini, D Padula… - Nature …, 2022 - nature.com
Designing molecular materials with very large exciton diffusion lengths would remove some
of the intrinsic limitations of present-day organic optoelectronic devices. Yet, the nature of …

Charge transfer from the carotenoid can quench chlorophyll excitation in antenna complexes of plants

L Cupellini, D Calvani, D Jacquemin… - Nature …, 2020 - nature.com
The photosynthetic apparatus of higher plants can dissipate excess excitation energy during
high light exposure, by deactivating excited chlorophylls through a mechanism called …

Origin of low-lying red states in the Lhca4 light-harvesting complex of photosystem I

V Sláma, L Cupellini, V Mascoli, N Liguori… - The Journal of …, 2023 - ACS Publications
The antenna complexes of Photosystem I present low-lying states visible as red-shifted and
broadened absorption and fluorescence bands. Among these, Lhca4 has the most evident …

Multiscale modelling of photoinduced processes in composite systems

B Mennucci, S Corni - Nature Reviews Chemistry, 2019 - nature.com
In the past few decades, quantum mechanical (QM) modelling has moved from isolated
molecules made of few atoms to large supramolecular aggregates embedded in complex …

[HTML][HTML] The atomistic modeling of light-harvesting complexes from the physical models to the computational protocol

E Cignoni, V Slama, L Cupellini… - The Journal of Chemical …, 2022 - pubs.aip.org
The function of light-harvesting complexes is determined by a complex network of dynamic
interactions among all the different components: the aggregate of pigments, the protein, and …

Quantum chemical modeling of the photoinduced activity of multichromophoric biosystems: focus review

F Segatta, L Cupellini, M Garavelli… - Chemical reviews, 2019 - ACS Publications
Multichromophoric biosystems represent a broad family with very diverse members, ranging
from light-harvesting pigment–protein complexes to nucleic acids. The former are designed …

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 …

Coupling to charge transfer states is the key to modulate the optical bands for efficient light harvesting in purple bacteria

L Cupellini, S Caprasecca, CA Guido… - The Journal of …, 2018 - ACS Publications
The photosynthetic apparatus of purple bacteria uses exciton delocalization and static
disorder to modulate the position and broadening of its absorption bands, leading to efficient …