Controlling the spatial distribution of electronic excitation in asymmetric D–A–D′ and symmetric D′–A–D–A–D′ electron donor–acceptor molecules

Balanikas, Vangelis; Bianconi, Tommaso; Mancini, Pietro; Tiwari, Nikhil Ji; Sheokand, Manju; Misra, Rajneesh; Carlotti, Benedetta; Vauthey, Eric

doi:10.1039/D5SC01257K

Scientific article

English

Controlling the spatial distribution of electronic excitation in asymmetric D–A–D′ and symmetric D′–A–D–A–D′ electron donor–acceptor molecules

ContributorsBalanikas, Vangelis

; Bianconi, Tommaso

; Mancini, Pietro; Tiwari, Nikhil Ji; Sheokand, Manju; Misra, Rajneesh

; Carlotti, Benedetta

; Vauthey, Eric

Published inChemical science, vol. 16, p. 8443-8453

First online date2025

Abstract

Using ultrafast time-resolved IR spectroscopy, we find that charge-transfer excitation does not always localise on the strongest electron donor–acceptor pair. Solvation is another crucial factor which determines where the exciton is trapped.

Affiliation entities

Faculté des sciences / Section de chimie et biochimie / Département de chimie physique

Research groups

Groupe Vauthey

Funding

NextGenerationEU - [ECS00000041]
Science and Engineering Research Board - [CRG/2022/000023 and STR/2022/000001]
Council of Scientific and Industrial Research, India - [01/3112/23/EMR-II]
Swiss National Science Foundation - Applications de la spectroscopie ultrarapide à l'étude de processus photoinduits en phase condensée [184607]

Citation (ISO format)

BALANIKAS, Vangelis et al. Controlling the spatial distribution of electronic excitation in asymmetric D–A–D′ and symmetric D′–A–D–A–D′ electron donor–acceptor molecules. In: Chemical science, 2025, vol. 16, p. 8443–8453. doi: 10.1039/D5SC01257K