Issue 6, 2023

Solvent-tunable exciton-charge transfer mixed state enhances emission of functionalized benzo[rst]pentaphene through symmetry breaking

Abstract

A benzo[rst]pentaphene (BPP) substituted by two bis(methoxyphenyl)amino (MeOPA) groups (BPP–MeOPA) was synthesized and clearly characterized by NMR and single-crystal X-ray analysis. Detailed investigations of its photophysical properties, including transient absorption spectroscopy analyses, revealed that the introduction of the MeOPA groups breaks the symmetry of the BPP core, improving its absorption and emission from an S1 state with both excitonic and charge-transfer character.

Graphical abstract: Solvent-tunable exciton-charge transfer mixed state enhances emission of functionalized benzo[rst]pentaphene through symmetry breaking

Supplementary files

Article information

Article type
Communication
Submitted
30 9 2022
Accepted
12 12 2022
First published
12 12 2022

Chem. Commun., 2023,59, 720-723

Solvent-tunable exciton-charge transfer mixed state enhances emission of functionalized benzo[rst]pentaphene through symmetry breaking

X. Xu, A. L. Vonder Haar, R. Yoshioka, Q. Zhang, S. Vasylevskyi, A. J. Musser and A. Narita, Chem. Commun., 2023, 59, 720 DOI: 10.1039/D2CC05369A

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