Biophotoniques et dynamiques moleculaires ultra-rapides (BIODYN)

L’équipe BioDyn (Biophotonique et Dynamique moléculaire ultrarapide) développe des outils expérimentaux de spectroscopie femtoseconde en chimie physique afin d’étudier la photoréactivité de molécules (bio)organiques ou métallo-organiques en phase condensée. Les processus d’intérêt typiques sont les photoréactions permettant des conversions d’énergie photoélectriques ou photomécaniques à l’échelle moléculaire. Ces photoréactions ont des applications en science des matériaux (par exemple, dispositifs photovoltaïques, commutateurs moléculaires ou moteurs), mais sont également à l’œuvre dans les systèmes biologiques (photosynthèse, vision). Parmi les photoréactions d’intérêt figurent (i) le transfert de charge photoinduit et (ii) les réactions de photo-isomérisation ultrarapides. L’étude des photoréactions ultrarapides par impulsions laser fs révèle l’interaction entre la dynamique électronique ou vibrationnelle (cohérente) et les effets environnementaux, et comment cette interaction contrôle le rendement des photoréactions.

Par ailleurs, dans le troisième axe de recherche intitulé « biophotonique », nous explorons la chimie physique à l’interface entre les nanosciences et la matière vivante. Plus spécifiquement, nous étudions la photoréactivité environnementale des composés organiques, susceptible d’être exploitée pour sonder les interactions locales au sein des biomolécules. Nous étudions également les réactions de transfert d’énergie d’excitation ultrarapides dans des nanoparticules synthétiques fonctionnelles se comportant comme des antennes de collecte de lumière efficaces.

Presentation of the BioDyn team in video

Photo d’équipe, 22 octobre 2025

Research Activities

Photoisomerization
Energy Conversion
Bio-photonics
Experimental Development

Les actualités

  • M. Jens Fellner nous a rejoint en tant que nouveau doctorant au sein de la collaboration franco-allemande de recherche sur l’interaction lumière-matière. Ses travaux visent à élucider la physique du processus de photo-isomérisation.
  • Mme Ana Tender nous a rejoint en tant que nouvelle doctorante après son stage de M2 chez nous. Ses recherches, menées dans le cadre du projet DEVILISH, visent à comprendre le transport et les interactions des excitons dans les nanoparticules fluorescentes biomimétiques grâce à la spectroscopie ultrarapide et aux techniques de corrélation de photons.
  • M. Armel Jouan nous a rejoint en tant que nouveau chercheur postdoctoral. Il contribuera au développement de la spectroscopie d’absorption transitoire 2D.
  • En tant que membres actifs de la communauté de la photonique, nous avons récemment participé à la conférence SPIE Photonics Europe, où nous avons présenté des recherches de pointe sur les phénomènes ultrarapides. Cette participation nous a offert une occasion précieuse de partager nos derniers résultats, d’échanger avec des chercheurs de premier plan du monde entier et de mettre en lumière les progrès réalisés par notre équipe dans la compréhension et le contrôle des dynamiques optiques allant de l’échelle nanoseconde à l’échelle femtoseconde.

Postes ouvertes

  • Offre de thèse au sein de notre équipe BIODYN: Nous proposons une offre de thèse portant sur la spectroscopie femtoseconde de “photo-switchs” organiques. Dans le cadre du projet ANR-DFG “Femtoswitch”, des physiciens et des chimistes se penchent sur la question de savoir si l’on peut augmenter le rendement de photo-isomérisation de certains photo-commutateurs, et s’il y a des bases rationnelles pour faire cela. Présentation complète dans le pdf ci-joint. l’offre: https://emploi.cnrs.fr/Offres/Doctorant/UMR7504-STEHAA-019/Default.aspx/lang=EN

Membres de l’équipe :

Doctorante, Optique Ultra-rapide et Nanophotonique (DON)ana.tender@ipcms.unistra.fr
Tél: /Bureau: 2409
Chargée de Recherche, Optique Ultra-rapide et Nanophotonique (DON)alexie.boyer@ipcms.unistra.fr
Tél: /Bureau: 1049
Voir la page personnelle
Doctorant, Optique Ultra-rapide et Nanophotonique (DON)jens.fellner@ipcms.unistra.fr
Tél: /Bureau: 2405
Post-doctorant, Optique Ultra-rapide et Nanophotonique (DON)xingjie.fu@ipcms.unistra.fr
Tél: /Bureau: 1028
Professeur, Optique Ultra-rapide et Nanophotonique (DON)Stefan.Haacke@ipcms.unistra.fr
Tél: /Bureau: 2029
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Post-doctorante, Optique Ultra-rapide et Nanophotonique (DON)krystyna.herasymenko@etu.unistra.fr
Tél: +33(0)3 88 10 72 73Bureau: 2052
Chargé de Recherche, Optique Ultra-rapide et Nanophotonique (DON)armel.jouan@ipcms.unistra.fr
Tél: /Bureau: 2203
Directeur de Recherche, Optique Ultra-rapide et Nanophotonique (DON)Jeremie.Leonard@ipcms.unistra.fr
Tél: +33(0)3 88 10 72 43Bureau: 2403
Voir la page personnelle
Doctorant, Optique Ultra-rapide et Nanophotonique (DON)ignazio.lovecchio@ipcms.unistra.fr
Tél: /Bureau: 2050
Doctorant, Optique Ultra-rapide et Nanophotonique (DON)thomas.meric@ipcms.unistra.fr
Tél: /Bureau: 2109
Doctorant, Optique Ultra-rapide et Nanophotonique (DON)simon.rinconcelis@ipcms.unistra.fr
Tél: /Bureau: 2109
Post-doctorant, Optique Ultra-rapide et Nanophotonique (DON)ronan.viel@ipcms.unistra.fr
Tél: +33(0)3 88 10 72 73Bureau: 2052

Publications récentes :

1839302 95EJ8IDX 2026 1 surface-science-reports 50 creator asc year 1568 https://www.ipcms.fr/plugins/zotpress/
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1839302 95EJ8IDX 2025 1 surface-science-reports 50 creator asc year 1568 https://www.ipcms.fr/plugins/zotpress/
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1839302 95EJ8IDX 2024 1 surface-science-reports 50 creator asc year 1568 https://www.ipcms.fr/plugins/zotpress/
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1839302 95EJ8IDX 2023 1 surface-science-reports 50 creator asc year 1568 https://www.ipcms.fr/plugins/zotpress/
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1839302 95EJ8IDX 2022 1 surface-science-reports 50 creator asc year 1568 https://www.ipcms.fr/plugins/zotpress/
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Experimental Set-Ups and Developments

Bio-photonics

Ultrafast photoisomerization

ENERGY CONVERSION