From symmetry breaking to symmetry swapping: is Kasha's rule violated in multibranched phenyleneethynylenes?-Reference-Cited by-同舟云学术

From symmetry breaking to symmetry swapping: is Kasha's rule violated in multibranched phenyleneethynylenes?

Published:2023 Issue:8 Volume:14 Page:1986-1996
ISSN:2041-6520
Container-title:Chemical Science
language:en
Short-container-title:Chem. Sci.

Author:

Swathi K.¹²,Sujith Meleppatt²,Divya P. S.²,P Merin Varghese²,Delledonne Andrea¹^ORCID,Phan Huu D. K. Andrea¹,Di Maiolo Francesco¹^ORCID,Terenziani Francesca¹^ORCID,Lapini Andrea¹^ORCID,Painelli Anna¹^ORCID,Sissa Cristina¹^ORCID,Thomas K. George²^ORCID

Affiliation:

1. Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17A, 43124, Parma, Italy

2. School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Vithura, Thiruvananthapuram, 695 551, India

Abstract

Highly symmetric multibranched phenyleneethynylenes exhibit intense fluorescence despite the presence of low-lying dark states. The inversion of the energy order of excited states is explained in terms of a novel phenomenon dubbed “symmetry swapping”.

Funder

Ministero dell'Università e della Ricerca

Horizon 2020 Framework Programme

Department of Science and Technology, Ministry of Science and Technology, India

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2023/SC/D2SC05206G

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