The Bethe–Salpeter equation in chemistry: relations with TD-DFT, applications and challenges

X Blase, I Duchemin, D Jacquemin - Chemical Society Reviews, 2018 - pubs.rsc.org
We review the many-body Green's function Bethe–Salpeter equation (BSE) formalism that is
rapidly gaining importance for the study of the optical properties of molecular organic …

Advances in density-functional calculations for materials modeling

RJ Maurer, C Freysoldt, AM Reilly… - Annual Review of …, 2019 - annualreviews.org
During the past two decades, density-functional (DF) theory has evolved from niche
applications for simple solid-state materials to become a workhorse method for studying a …

Killer phonon caught: Femtosecond stimulated Raman spectroscopy identifies phonon-induced control of photophysics in rubrene derivatives

ML Clapham, A Das, CJ Douglas… - Journal of the American …, 2024 - ACS Publications
Molecular reaction coordinates are defined by the interplay of a number of orthogonal
nuclear coordinates and are inherently multidimensional for large molecules. Identifying …

GAtor: a first-principles genetic algorithm for molecular crystal structure prediction

F Curtis, X Li, T Rose… - Journal of chemical …, 2018 - ACS Publications
We present the implementation of GAtor, a massively parallel, first-principles genetic
algorithm (GA) for molecular crystal structure prediction. GAtor is written in Python and …

Molecular stacking controlling coherent and incoherent singlet fission in polymorph rubrene single crystals: Special Issue: Emerging Investigators

Y Liu, X Yang, L Ye, H Ma, H Zhu - Aggregate, 2023 - Wiley Online Library
Singlet fission (SF) is an appealing process where one photoexcited singlet transforms to
two triplets, which can overcome thermalization energy loss and improve solar cell …

Inverse design of tetracene polymorphs with enhanced singlet fission performance by property-based genetic algorithm optimization

R Tom, S Gao, Y Yang, K Zhao, I Bier… - Chemistry of …, 2023 - ACS Publications
The efficiency of solar cells may be improved by using singlet fission (SF), in which one
singlet exciton splits into two triplet excitons. SF occurs in molecular crystals. A molecule …

Finding predictive models for singlet fission by machine learning

X Liu, X Wang, S Gao, V Chang, R Tom, M Yu… - npj Computational …, 2022 - nature.com
Singlet fission (SF), the conversion of one singlet exciton into two triplet excitons, could
significantly enhance solar cell efficiency. Molecular crystals that undergo SF are scarce …

Impact of t-butyl substitution in a rubrene emitter for solid state NIR-to-visible photon upconversion

E Radiunas, M Dapkevičius, S Raišys… - Physical Chemistry …, 2020 - pubs.rsc.org
Solid state NIR-to-visible photon upconversion (UC) mediated by triplet–triplet annihilation
(TTA) is necessitated by numerous practical applications. Yet, efficient TTA-UC remains a …

Singlet fission rate: Optimized packing of a molecular pair. Ethylene as a model

A Zaykov, P Felkel, EA Buchanan… - Journal of the …, 2019 - ACS Publications
A procedure is described for unbiased identification of all π-electron chromophore pair
geometry choices that locally maximize the rate of conversion of a singlet exciton into a …

Accurate description of charged excitations in molecular solids from embedded many-body perturbation theory

J Li, G d'Avino, I Duchemin, D Beljonne, X Blase - Physical Review B, 2018 - APS
We present a novel hybrid quantum/classical approach to the calculation of charged
excitations in molecular solids based on the many-body Green's function GW formalism …