Excited-state symmetry breaking in quadrupolar pull–push–pull molecules: dicyanovinyl vs. cyanophenyl acceptors

Verma, Pragya; Tasior, Mariusz; Roy, Palas; Meech, Stephen R.; Gryko, Daniel T.; Vauthey, Eric

doi:10.1039/d3cp02810k

Scientific article

English

Excited-state symmetry breaking in quadrupolar pull–push–pull molecules: dicyanovinyl vs. cyanophenyl acceptors

ContributorsVerma, Pragya

; Tasior, Mariusz; Roy, Palas

; Meech, Stephen R.

; Gryko, Daniel T.

; Vauthey, Eric

Published inPCCP. Physical chemistry chemical physics, vol. 25, no. 34, p. 22689-22699

Publication date2023

First online date2023

Abstract

Excited-state symmetry breaking is only observed in multipolar dyes with weaker electron accepting groups. This unexpected result can be rationalised in terms of a subtle balance between solvation energy and inter-branch electronic coupling.

Affiliation entities

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

Research groups

Groupe Vauthey

Citation (ISO format)

VERMA, Pragya et al. Excited-state symmetry breaking in quadrupolar pull–push–pull molecules: dicyanovinyl vs. cyanophenyl acceptors. In: PCCP. Physical chemistry chemical physics, 2023, vol. 25, n° 34, p. 22689–22699. doi: 10.1039/d3cp02810k

Article (Published version)

CC BY-4.0

Identifiers

PID : unige:171173
DOI : 10.1039/d3cp02810k
PMID : 37602791

Additional URL for this publicationhttp://xlink.rsc.org/?DOI=D3CP02810K

Datasets

https://doi.org/10.26037/yareta:nxbnwv5fkje7dfll5y5jicypd4

Journal ISSN1463-9076

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Excited-state symmetry breaking in quadrupolar pull–push–pull molecules: dicyanovinyl vs. cyanophenyl acceptors

Excited-state symmetry breaking is only observed in multipolar dyes with weaker electron accepting groups. This unexpected result can be rationalised in terms of a subtle balance between solvation energy and inter-branch electronic coupling.

Technical informations