Issue 2, 2023

Tuning CPL by helical pitch modulation in helically flexible small organic multichromophores

Abstract

Modulating the helical pitch by simply playing with steric effects in a selected series of helically flexible BODIPY dimers enabling circularly polarized luminescence, CPL, allows easy tuning of the luminescence dissymmetry factor, glum, associated with the circularly polarized emission. This result unravels the significance of a simple structural element, the molecular-helix elongation, in the rational design and modulation of the still scarcely explored CPL emitters based on small, helical and flexible organic multichromophoric molecules and, therefore, of the CPL materials based on them.

Graphical abstract: Tuning CPL by helical pitch modulation in helically flexible small organic multichromophores

Supplementary files

Article information

Article type
Communication
Submitted
10 Nov. 2022
Accepted
02 Dec. 2022
First published
02 Dec. 2022

J. Mater. Chem. C, 2023,11, 456-461

Tuning CPL by helical pitch modulation in helically flexible small organic multichromophores

C. Ray, C. Díaz-Norambuena, M. Johnson, F. Moreno, B. L. Maroto, J. Bañuelos, G. Muller and S. de la Moya, J. Mater. Chem. C, 2023, 11, 456 DOI: 10.1039/D2TC04793D

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