Laura LE BRAS

Chrono-environnement - UMR 6249
Campus de la Bouloie
16 rue de Gray
25030 Besançon

Laura Le Bras

Assistant Professor
POLLUTION

laura.le_bras@-Code to remove to avoid SPAM-univ-fcomte.fr
+ 33 (0)3 81 66 65 21, room 307K

Molecular dynamics, (TD-)DFT, complex systems, environmental effects, luminescence properties, supramolecular chemistry

As a theoretical chemist by training, my research focuses on the following themes:

The modulation of luminescence properties due to the environment (solid, aggregate, solution) or the structure.
the self-assembly processes of organic molecules or proteins
Protein-ligand interactions

To do this, I use molecular modelling (molecular dynamics) and quantum chemistry (DFT and TD-DFT) tools, which enable me to study systems ranging from small molecules to protein aggregates and to derive parameters and properties of interest.

Journal articles

2023

ref_biblio: Tárcius Ramos, Laura Le Bras, Yves Dory, Benoît Champagne. Second Harmonic Generation Signatures of Supramolecular Assemblies Based on Amide Moieties. ChemPhysChem, 2023, 23 (36), pp.20453-20465. ⟨10.1002/cphc.202300150⟩. ⟨hal-03572707⟩
Accès au bibtex

2022

ref_biblio: Amine Garci, Seifallah Abid, Arthur David, Marcos Codesal, Luka Đorđević, et al.. Aggregation‐Induced Emission and Circularly Polarized Luminescence Duality in Tetracationic Binaphthyl‐Based Cyclophanes. Angewandte Chemie International Edition, 2022, 61 (40), ⟨10.1002/anie.202208679⟩. ⟨hal-04232317⟩
Accès au bibtex

2021

ref_biblio: Laura Le Bras, Yves Dory, Benoît Champagne. Computational prediction of the supramolecular self-assembling properties of organic molecules: the role of conformational flexibility of amide moieties. Physical Chemistry Chemical Physics, 2021, 23 (36), pp.20453-20465. ⟨10.1039/D1CP02675E⟩. ⟨hal-04232318⟩
Accès au bibtex

ref_biblio: Laure Thieulloy, Laura Le Bras, Benoît Zumer, Juan Sanz García, Claire Lemarchand, et al.. Aggregation‐Induced Emission: A Challenge for Computational Chemistry Taking TPA‐BMO as an Example**. ChemPhysChem, 2021, 22 (17), pp.1802-1816. ⟨10.1002/cphc.202100239⟩. ⟨hal-03576875⟩
Accès au bibtex

2020

ref_biblio: Laura Le Bras, Roxanne Berthin, Ismaïl Hamdi, Maroua Louati, Stéphane Aloïse, et al.. Understanding the properties of dithienylethenes functionalized for supramolecular self-assembly: a molecular modeling study. Physical Chemistry Chemical Physics, 2020, 22 (13), pp.6942-6952. ⟨10.1039/C9CP06590C⟩. ⟨hal-04232321⟩
Accès au bibtex

2019

ref_biblio: Laura Le Bras, Karen Chaitou, Stéphane Aloïse, Carlo Adamo, Aurélie Perrier. Aggregation-caused quenching versus crystallization induced emission in thiazolo[5,4- b ]thieno[3,2- e ]pyridine (TTP) derivatives: theoretical insights. Physical Chemistry Chemical Physics, 2019, 21 (1), pp.46-56. ⟨10.1039/C8CP04730H⟩. ⟨hal-03573516⟩
Accès au bibtex

2018

ref_biblio: I. Hamdi, G. Buntinx, O. Poizat, A. Perrier, L. Le Bras, et al.. Excited-State Dynamics of Dithienylethenes Functionalized for Self-Supramolecular Assembly. Journal of Physical Chemistry A, 2018, 122 (14), pp.3572 - 3582. ⟨10.1021/acs.jpca.7b10767⟩. ⟨hal-01809863⟩
Accès au bibtex

2016

ref_biblio: M. El Sayed Moussa, S. Evariste, H.-L. Wong, L. Le Bras, Claire Roiland, et al.. A solid state highly emissive Cu(i) metallacycle: promotion of cuprophilic interactions at the excited states. Chemical Communications, 2016, 52 (76), pp.11370-11373. ⟨10.1039/C6CC06613E⟩. ⟨hal-01367375⟩
Accès au bibtex

2015

ref_biblio: Plinio Cantero-Lopez, Laura Le Bras, Dayan Paez-Hernandez, Ramiro Arratia-Pérez. The role of the [CpM(CO)2](-) chromophore in the optical properties of the [Cp2ThMCp(CO)2](+) complexes, where M = Fe, Ru and Os. A theoretical view. Dalton Transactions, 2015, 44 (46), pp.20004-20010. ⟨10.1039/C5DT03121D⟩. ⟨hal-01231153⟩
Accès au bibtex

Theses

2019

ref_biblio: Laura Le Bras. Etude théorique de processus photoinduits sous contraintes. Autre. Université Paris sciences et lettres, 2019. Français. ⟨NNT : 2019PSLEC010⟩. ⟨tel-03205908⟩
Accès au texte intégral et bibtex